Tu as vu? Ca parle de 3dsl sur surrsound. Le 22 avr. 2015 23:52, <[email protected]> a écrit :
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Re: 3D Sound Labs Neoh headphones (Stefan Schreiber) > 3. Infra sound & Sub bass. (jon burton) > 4. Re: 3D Sound Labs Neoh headphones (Stefan Schreiber) > 5. Re: 3D Sound Labs Neoh headphones ([email protected]) > 6. Re: Infra sound & Sub bass. (J?rn Nettingsmeier) > 7. Re: Infra sound & Sub bass. (Peter Lennox) > 8. Re: Infra sound & Sub bass. (jon burton) > 9. Re: 3D Sound Labs Neoh headphones (Eric Benjamin) > 10. Re: Infra sound & Sub bass. (Steven Boardman) > 11. Re: Infra sound & Sub bass. (jon burton) > 12. Re: Infra sound & Sub bass. (Peter Lennox) > 13. Re: Infra sound & Sub bass. (Fons Adriaensen) > 14. Re: Infra sound & Sub bass. (Steven Boardman) > 15. Re: Infra sound & Sub bass. (J?rn Nettingsmeier) > 16. Re: Infra sound & Sub bass. (Jonathan Burton) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 22 Apr 2015 17:20:59 +0100 > From: Dave Malham <[email protected]> > To: Eero Aro <[email protected]>, Surround Sound discussion group > <[email protected]> > Subject: Re: [Sursound] 3D Sound Labs Neoh headphones > Message-ID: > <CAPw+1zQ3HwfEYzBA= > [email protected]> > Content-Type: text/plain; charset="utf-8" > > Yep, interesting indeed - but they don't once mention the height dimension, > always talking about 360 degrees which implies planar only. Is this, I > wonder, just an accidental omission or is the system really limited this > way? Seems unlikely given the 9 axes motion/position sensor they have, > but..... > > > Dave > > > On 22 April 2015 at 15:41, Eero Aro <[email protected]> wrote: > > > Hmm... Interesting: > > > > http://3dsoundlabs.com/en/ > > http://3dsoundlabs.com/en/how-does-it-work/#psychoacoustique > > > > Eero > > _______________________________________________ > > Sursound mailing list > > [email protected] > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > > edit account or options, view archives and so on. > > > > > > -- > > As of 1st October 2012, I have retired from the University. > > These are my own views and may or may not be shared by the University > > Dave Malham > Honorary Fellow, Department of Music > The University of York > York YO10 5DD > UK > > 'Ambisonics - Component Imaging for Audio' > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/9cd1de5b/attachment.html > > > > ------------------------------ > > Message: 2 > Date: Wed, 22 Apr 2015 17:39:42 +0100 > From: Stefan Schreiber <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] 3D Sound Labs Neoh headphones > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Dave Malham wrote: > > >Yep, interesting indeed - but they don't once mention the height > dimension, > >always talking about 360 degrees which implies planar only. Is this, I > >wonder, just an accidental omission or is the system really limited this > >way? Seems unlikely given the 9 axes motion/position sensor they have, > >but..... > > > > > > Dave > > > > > > > > ? > > > What is 3D sound > > > > What we call 3D sound is the real life?s sound. With Neoh headphones, > > we have ability to reproduce a sound that will appear to come from > > anywhere we want it to come from. We create a full artificial > > environment (360?) with sound sources you will perceive as coming from > > any distance or direction. > > > > > Some new 3D audio formats are coming up, with even more virtual sound > > sources and a large number of speakers to reproduce them. Get ready ! > > Neoh breaks the barrier of having a limited amount of sound source.: > > You will be completely immersed in the sound. > > Source: > http://3dsoundlabs.com/en/how-does-it-work/#psychoacoustique > > It is up to you or anybody to publish a wonderful (head-tracking) B > format ---> binaural decoder... In fact, there should be a couple of > people on this list who already have done this... :-) > > > Best, > > Stefan > > > > >On 22 April 2015 at 15:41, Eero Aro <[email protected]> wrote: > > > > > > > >>Hmm... Interesting: > >> > >>http://3dsoundlabs.com/en/ > >>http://3dsoundlabs.com/en/how-does-it-work/#psychoacoustique > >> > >>Eero > >> > >> > > > > ------------------------------ > > Message: 3 > Date: Wed, 22 Apr 2015 17:49:37 +0100 > From: jon burton <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: [Sursound] Infra sound & Sub bass. > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Hi I am new to the group but hoping someone may be able to help. > I am looking at the positive effects of low frequencies in music, > predominantly below 50Hz. This involves aural as well as mechanosensations. > I am interested in seeing if reinforcing the low frequency content below > 50Hz can help produce a more immersive listening experience at lower > overall sound pressure levels (particularly when measured using the A > weighting scale). Trouser flapping bass! I am struggling to find papers on > the subject. Any suggestions are welcome! > > Regards > Jon. > > Jon Burton > Research Student MSc > University of York. > [email protected] > > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/60c7fba0/attachment.html > > > > > ------------------------------ > > Message: 4 > Date: Wed, 22 Apr 2015 18:05:03 +0100 > From: Stefan Schreiber <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] 3D Sound Labs Neoh headphones > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > Stefan Schreiber wrote: > > > Dave Malham wrote: > > > >> Yep, interesting indeed - but they don't once mention the height > >> dimension, > >> always talking about 360 degrees which implies planar only. Is this, I > >> wonder, just an accidental omission or is the system really limited this > >> way? Seems unlikely given the 9 axes motion/position sensor they have, > >> but..... > >> > >> > >> Dave > >> > >> > >> > > > > ? > > > >> What is 3D sound > >> > >> What we call 3D sound is the real life?s sound. With Neoh headphones, > >> we have ability to reproduce a sound that will appear to come from > >> anywhere we want it to come from. We create a full artificial > >> environment (360?) with sound sources you will perceive as coming > >> from any distance or direction. > >> > > > >> Some new 3D audio formats are coming up, with even more virtual sound > >> sources and a large number of speakers to reproduce them. Get ready ! > >> Neoh breaks the barrier of having a limited amount of sound source.: > >> You will be completely immersed in the sound. > > > > > > Source: > > http://3dsoundlabs.com/en/how-does-it-work/#psychoacoustique > > > Ok, they could be a bit clearer. They could refer to anything specific > "above" 5.1/7.1, what they avoided. They could maybe have mentioned > Ambisonics, but most people never heard about. > > Therefore "3D audio formats" and "immersive". > > They could connect the headphones to a (binaural...) Mpeg-H 3DA decoder, > but same story here: The potential customers probably never have heard > of "Mpeg 3DA". The music industry or what remains doesn't know a lot if > anything, etc. > > In fact: 3D Sound Labs should license (or obtain) a few real 3D audio > recordings, for demonstrational purposes. (We are getting into marketing > related questions.) > > Best, > > Stefan > > P.S.: Which gives some urgency to the question how to improve Ambisonics > decoders, and especially binaural Ambisonics decoders. You know that I > have said this again and again. Don't want to complain too much "in > public", even if... ;-) > > P.S. 2: "You have been living in a flat dream-world, Neoh..." :-D > > > ----------------------------------------------------------------------------------------------- > > > > > It is up to you or anybody to publish a wonderful (head-tracking) B > > format ---> binaural decoder... In fact, there should be a couple of > > people on this list who already have done this... :-) > > > > > > Best, > > > > Stefan > > > > > > > >> On 22 April 2015 at 15:41, Eero Aro <[email protected]> wrote: > >> > >> > >> > >>> Hmm... Interesting: > >>> > >>> http://3dsoundlabs.com/en/ > >>> http://3dsoundlabs.com/en/how-does-it-work/#psychoacoustique > >>> > >>> Eero > >>> > >> > > > > _______________________________________________ > > Sursound mailing list > > [email protected] > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe > > here, edit account or options, view archives and so on. > > > > > > ------------------------------ > > Message: 5 > Date: Wed, 22 Apr 2015 10:13:05 -0700 > From: [email protected] > To: "Surround Sound discussion group" <[email protected]> > Subject: Re: [Sursound] 3D Sound Labs Neoh headphones > Message-ID: > < > 20150422101305.b04a976395a24cd7d7d0649d0446f1fe.f76ae5d613.mail...@email11.secureserver.net > > > > Content-Type: text/plain; charset="utf-8" > > --------- Original Message --------- Subject: Re: [Sursound] 3D Sound > Labs Neoh headphones > From: "Stefan Schreiber" <[email protected]> > Date: 4/22/15 12:05 pm > To: "Surround Sound discussion group" <[email protected]> > > Stefan Schreiber wrote: > > Ok, they could be a bit clearer. They could refer to anything specific > "above" 5.1/7.1, what they avoided. They could maybe have mentioned > Ambisonics, but most people never heard about. > > Therefore "3D audio formats" and "immersive". > > They could connect the headphones to a (binaural...) Mpeg-H 3DA decoder, > but same story here: The potential customers probably never have heard > of "Mpeg 3DA". The music industry or what remains doesn't know a lot if > anything, etc. > > In fact: 3D Sound Labs should license (or obtain) a few real 3D audio > recordings, for demonstrational purposes. (We are getting into marketing > related questions.) > > Best, > > Stefan > > P.S.: Which gives some urgency to the question how to improve Ambisonics > decoders, and especially binaural Ambisonics decoders. You know that I > have said this again and again. Don't want to complain too much "in > public", even if... ;-) > > P.S. 2: "You have been living in a flat dream-world, Neoh..." :-D > > > > <delurks>What really irks me are the binaural conference services, like > BT+Dolby Voice or Voxeet. They pitch their service as being 3D audio, but > they lack any concept of the vertical dimension. When I call them on that > matter I get accused of being too fussy. > > In reality, the "3D" aspect of their marketing is really just something > sweet to attract large enterprise or VC flies. </delurks> > > Michael Graves > [email protected] > http://www.mgraves.org > o(713) 861-4005 > c(713) 201-1262 > sip:[email protected] > skype mjgraves > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/7e4abb37/attachment.html > > > > ------------------------------ > > Message: 6 > Date: Wed, 22 Apr 2015 20:20:36 +0200 > From: J?rn Nettingsmeier <[email protected]> > To: [email protected] > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > On 04/22/2015 06:49 PM, jon burton wrote: > > Hi I am new to the group but hoping someone may be able to help. I > > am looking at the positive effects of low frequencies in music, > > predominantly below 50Hz. This involves aural as well as > > mechanosensations. I am interested in seeing if reinforcing the low > > frequency content below 50Hz can help produce a more immersive > > listening experience at lower overall sound pressure levels > > (particularly when measured using the A weighting scale). Trouser > > flapping bass! I am struggling to find papers on the subject. Any > > suggestions are welcome! > > Well, it's not a secret that most live sound engineers, when faced with > a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a lot. > So there is plenty anecdotal evidence for more bass resulting in less > weighted sound pressure. For more perceived loudness, mixing in some > typical loudspeaker-like artificial distortion has prevented me from > getting beaten up at a "95 at the mixer" open air metal concert. Don't > ask me who came up with that rule, for that kind of music. > > But I've heard medical research hint at low frequency exposure having a > very damaging effect across the entire hearing spectrum, which means > that we are mixing around the rules but are actually endangering our > audiences. > Be sure to check the literature for this problem, to get a balanced view. > > -- > J?rn Nettingsmeier > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > > Meister f?r Veranstaltungstechnik (B?hne/Studio) > Tonmeister VDT > > http://stackingdwarves.net > > > > ------------------------------ > > Message: 7 > Date: Wed, 22 Apr 2015 19:33:22 +0100 > From: Peter Lennox <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: > < > 28f33490c302424e98cc6dc2531b2048010277915...@mkt-mbx01.university.ds.derby.ac.uk > > > > Content-Type: text/plain; charset="iso-8859-1" > > I'd be interested in any references indicating deleterious effects on > hearing of high amplitudes at LF, if anyone comes across any > cheers > ppl > Dr. Peter Lennox > Senior Fellow of the Higher Education Academy > Senior Lecturer in Perception > College of Arts > University of Derby > > Tel: 01332 593155 > ________________________________________ > From: Sursound [[email protected]] On Behalf Of J?rn > Nettingsmeier [[email protected]] > Sent: 22 April 2015 19:20 > To: [email protected] > Subject: Re: [Sursound] Infra sound & Sub bass. > > On 04/22/2015 06:49 PM, jon burton wrote: > > Hi I am new to the group but hoping someone may be able to help. I > > am looking at the positive effects of low frequencies in music, > > predominantly below 50Hz. This involves aural as well as > > mechanosensations. I am interested in seeing if reinforcing the low > > frequency content below 50Hz can help produce a more immersive > > listening experience at lower overall sound pressure levels > > (particularly when measured using the A weighting scale). Trouser > > flapping bass! I am struggling to find papers on the subject. Any > > suggestions are welcome! > > Well, it's not a secret that most live sound engineers, when faced with > a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a lot. > So there is plenty anecdotal evidence for more bass resulting in less > weighted sound pressure. For more perceived loudness, mixing in some > typical loudspeaker-like artificial distortion has prevented me from > getting beaten up at a "95 at the mixer" open air metal concert. Don't > ask me who came up with that rule, for that kind of music. > > But I've heard medical research hint at low frequency exposure having a > very damaging effect across the entire hearing spectrum, which means > that we are mixing around the rules but are actually endangering our > audiences. > Be sure to check the literature for this problem, to get a balanced view. > > -- > J?rn Nettingsmeier > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > > Meister f?r Veranstaltungstechnik (B?hne/Studio) > Tonmeister VDT > > http://stackingdwarves.net > > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > > The University of Derby has a published policy regarding email and > reserves the right to monitor email traffic. If you believe this was sent > to you in error, please select unsubscribe. > > Unsubscribe and Security information contact: [email protected] > For all FOI requests please contact: [email protected] > All other Contacts are at http://www.derby.ac.uk/its/contacts/ > > > ------------------------------ > > Message: 8 > Date: Wed, 22 Apr 2015 20:52:56 +0100 > From: jon burton <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: <[email protected]> > Content-Type: text/plain; charset="utf-8" > > There is a wealth of information regarding the negative effects of Low > frequency noise but most of it relates either to vibration issues or sleep > related problems. The low frequencies produced in concerts have had very > little specific health related research. I recently had a long conversation > with one of the major custom earplug manufacturers who was of the opinion > that the low frequency levels were of little concern at rock and pop > concerts and that is was the A weighted band that we should be concerned > with. As I am looking at ways of reducing the A weighted levels by > increasing energy in the sub 50Hz region I am looking for research done > that may relate to this small but interesting area. > I have over the past ten years been using sub to help produce a more > immersive experience at low levels. I was wondering if any of the group had > tried anything similar. I know there has been research done on gaming > chairs using vibration but has anyone done work with sound waves? > > Thanks > > > Jon Burton > Research Student MSc > University of York. > [email protected] > > > > > > > On 22 Apr 2015, at 20:20, Jonathan Burton <[email protected]> wrote: > > > > > > > > On Wednesday, April 22, 2015, Peter Lennox <[email protected] > <mailto:[email protected]>> wrote: > > I'd be interested in any references indicating deleterious effects on > hearing of high amplitudes at LF, if anyone comes across any > > cheers > > ppl > > Dr. Peter Lennox > > Senior Fellow of the Higher Education Academy > > Senior Lecturer in Perception > > College of Arts > > University of Derby > > > > Tel: 01332 593155 > > ________________________________________ > > From: Sursound [[email protected] <javascript:;>] On Behalf > Of J?rn Nettingsmeier [[email protected] <javascript:;>] > > Sent: 22 April 2015 19:20 > > To: [email protected] <javascript:;> > > Subject: Re: [Sursound] Infra sound & Sub bass. > > > > On 04/22/2015 06:49 PM, jon burton wrote: > > > Hi I am new to the group but hoping someone may be able to help. I > > > am looking at the positive effects of low frequencies in music, > > > predominantly below 50Hz. This involves aural as well as > > > mechanosensations. I am interested in seeing if reinforcing the low > > > frequency content below 50Hz can help produce a more immersive > > > listening experience at lower overall sound pressure levels > > > (particularly when measured using the A weighting scale). Trouser > > > flapping bass! I am struggling to find papers on the subject. Any > > > suggestions are welcome! > > > > Well, it's not a secret that most live sound engineers, when faced with > > a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a lot. > > So there is plenty anecdotal evidence for more bass resulting in less > > weighted sound pressure. For more perceived loudness, mixing in some > > typical loudspeaker-like artificial distortion has prevented me from > > getting beaten up at a "95 at the mixer" open air metal concert. Don't > > ask me who came up with that rule, for that kind of music. > > > > But I've heard medical research hint at low frequency exposure having a > > very damaging effect across the entire hearing spectrum, which means > > that we are mixing around the rules but are actually endangering our > > audiences. > > Be sure to check the literature for this problem, to get a balanced view. > > > > -- > > J?rn Nettingsmeier > > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > > > > Meister f?r Veranstaltungstechnik (B?hne/Studio) > > Tonmeister VDT > > > > http://stackingdwarves.net <http://stackingdwarves.net/> > > > > _______________________________________________ > > Sursound mailing list > > [email protected] <javascript:;> > > https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > edit account or options, view archives and so on. > > > > The University of Derby has a published policy regarding email and > reserves the right to monitor email traffic. If you believe this was sent > to you in error, please select unsubscribe. > > > > Unsubscribe and Security information contact: [email protected] > <javascript:;> > > For all FOI requests please contact: [email protected] <javascript:;> > > All other Contacts are at http://www.derby.ac.uk/its/contacts/ < > http://www.derby.ac.uk/its/contacts/> > > _______________________________________________ > > Sursound mailing list > > [email protected] <javascript:;> > > https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > edit account or options, view archives and so on. > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/2d4ee38f/attachment.html > > > > ------------------------------ > > Message: 9 > Date: Wed, 22 Apr 2015 20:14:50 +0000 (UTC) > From: Eric Benjamin <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] 3D Sound Labs Neoh headphones > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="utf-8" > > NEOH seems to be quite similar to the "Rondo" from Dysonics: > http://dysonics.com/ > > The Rondo is a small device that can be attached to any headphone and > provides head tracking. The rest of the product is a software player > (RAPPR) that applies the head tracking info and communicates to Rondo via > Bluetooth. So far as I know, its MacOS only. > Dysonics also has a microphone array?http://dysonics.com/our-technology/ > > I haven't yet heard either of these products, but I intend to! > > > > On Wednesday, April 22, 2015 10:13 AM, "[email protected]" < > [email protected]> wrote: > > > --------- Original Message ---------? Subject: Re: [Sursound] 3D Sound > Labs Neoh headphones > From: "Stefan Schreiber" <[email protected]> > Date: 4/22/15 12:05 pm > To: "Surround Sound discussion group" <[email protected]> > > Stefan Schreiber wrote: > > Ok, they could be a bit clearer. They could refer to anything specific > "above" 5.1/7.1, what they avoided. They could maybe have mentioned > Ambisonics, but most people never heard about. > > Therefore "3D audio formats" and "immersive". > > They could connect the headphones to a (binaural...) Mpeg-H 3DA decoder, > but same story here: The potential customers probably never have heard > of "Mpeg 3DA". The music industry or what remains doesn't know a lot if > anything, etc. > > In fact: 3D Sound Labs should license (or obtain) a few real 3D audio > recordings, for demonstrational purposes. (We are getting into marketing > related questions.) > > Best, > > Stefan > > P.S.: Which gives some urgency to the question how to improve Ambisonics > decoders, and especially binaural Ambisonics decoders. You know that I > have said this again and again. Don't want to complain too much "in > public", even if... ;-) > > P.S. 2: "You have been living in a flat dream-world, Neoh..." :-D > > > > <delurks>What really irks me are the binaural conference services, like > BT+Dolby Voice or Voxeet. They pitch their service as being 3D audio, but > they lack any concept of the vertical dimension. When I call them on that > matter I get accused of being too fussy. > > In reality, the "3D" aspect of their marketing is really just something > sweet to attract large enterprise or VC flies. </delurks> > > Michael Graves > [email protected] > http://www.mgraves.org > o(713) 861-4005 > c(713) 201-1262 > sip:[email protected] > skype mjgraves > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/7e4abb37/attachment.html > > > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/5154a358/attachment.html > > > > ------------------------------ > > Message: 10 > Date: Wed, 22 Apr 2015 21:21:34 +0100 > From: Steven Boardman <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: > < > cabco3v+cp4-7k2pvguchruuo9n_17vuw2qruam0iwvtkomw...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hi Jon > > I add more sub (from main mix) into the lfe channel for broadcast in Dolby > cinemas. For the same reasons. It doesn't register so much on A weighted or > Dolby leq (m) meters. This means one can use more headroom of the system > and push the dynamics and overall spl in the room. I know a few engineers > that do this for broadcast in cinemas. > Not sure of any research of the damaging effects though. > > Best > > Steve > On 22 Apr 2015 20:53, "jon burton" <[email protected]> wrote: > > > There is a wealth of information regarding the negative effects of Low > > frequency noise but most of it relates either to vibration issues or > sleep > > related problems. The low frequencies produced in concerts have had very > > little specific health related research. I recently had a long > conversation > > with one of the major custom earplug manufacturers who was of the opinion > > that the low frequency levels were of little concern at rock and pop > > concerts and that is was the A weighted band that we should be concerned > > with. As I am looking at ways of reducing the A weighted levels by > > increasing energy in the sub 50Hz region I am looking for research done > > that may relate to this small but interesting area. > > I have over the past ten years been using sub to help produce a more > > immersive experience at low levels. I was wondering if any of the group > had > > tried anything similar. I know there has been research done on gaming > > chairs using vibration but has anyone done work with sound waves? > > > > Thanks > > > > > > Jon Burton > > Research Student MSc > > University of York. > > [email protected] > > > > > > > > > > > > > On 22 Apr 2015, at 20:20, Jonathan Burton <[email protected]> wrote: > > > > > > > > > > > > On Wednesday, April 22, 2015, Peter Lennox <[email protected] > > <mailto:[email protected]>> wrote: > > > I'd be interested in any references indicating deleterious effects on > > hearing of high amplitudes at LF, if anyone comes across any > > > cheers > > > ppl > > > Dr. Peter Lennox > > > Senior Fellow of the Higher Education Academy > > > Senior Lecturer in Perception > > > College of Arts > > > University of Derby > > > > > > Tel: 01332 593155 > > > ________________________________________ > > > From: Sursound [[email protected] <javascript:;>] On > Behalf > > Of J?rn Nettingsmeier [[email protected] <javascript:;>] > > > Sent: 22 April 2015 19:20 > > > To: [email protected] <javascript:;> > > > Subject: Re: [Sursound] Infra sound & Sub bass. > > > > > > On 04/22/2015 06:49 PM, jon burton wrote: > > > > Hi I am new to the group but hoping someone may be able to help. I > > > > am looking at the positive effects of low frequencies in music, > > > > predominantly below 50Hz. This involves aural as well as > > > > mechanosensations. I am interested in seeing if reinforcing the low > > > > frequency content below 50Hz can help produce a more immersive > > > > listening experience at lower overall sound pressure levels > > > > (particularly when measured using the A weighting scale). Trouser > > > > flapping bass! I am struggling to find papers on the subject. Any > > > > suggestions are welcome! > > > > > > Well, it's not a secret that most live sound engineers, when faced with > > > a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a > lot. > > > So there is plenty anecdotal evidence for more bass resulting in less > > > weighted sound pressure. For more perceived loudness, mixing in some > > > typical loudspeaker-like artificial distortion has prevented me from > > > getting beaten up at a "95 at the mixer" open air metal concert. Don't > > > ask me who came up with that rule, for that kind of music. > > > > > > But I've heard medical research hint at low frequency exposure having a > > > very damaging effect across the entire hearing spectrum, which means > > > that we are mixing around the rules but are actually endangering our > > > audiences. > > > Be sure to check the literature for this problem, to get a balanced > view. > > > > > > -- > > > J?rn Nettingsmeier > > > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > > > > > > Meister f?r Veranstaltungstechnik (B?hne/Studio) > > > Tonmeister VDT > > > > > > http://stackingdwarves.net <http://stackingdwarves.net/> > > > > > > _______________________________________________ > > > Sursound mailing list > > > [email protected] <javascript:;> > > > https://mail.music.vt.edu/mailman/listinfo/sursound < > > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > > edit account or options, view archives and so on. > > > > > > The University of Derby has a published policy regarding email and > > reserves the right to monitor email traffic. If you believe this was sent > > to you in error, please select unsubscribe. > > > > > > Unsubscribe and Security information contact: [email protected] > > <javascript:;> > > > For all FOI requests please contact: [email protected] <javascript:;> > > > All other Contacts are at http://www.derby.ac.uk/its/contacts/ < > > http://www.derby.ac.uk/its/contacts/> > > > _______________________________________________ > > > Sursound mailing list > > > [email protected] <javascript:;> > > > https://mail.music.vt.edu/mailman/listinfo/sursound < > > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > > edit account or options, view archives and so on. > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: < > > > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/2d4ee38f/attachment.html > > > > > _______________________________________________ > > Sursound mailing list > > [email protected] > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > > edit account or options, view archives and so on. > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/706f8647/attachment.html > > > > ------------------------------ > > Message: 11 > Date: Wed, 22 Apr 2015 21:25:56 +0100 > From: jon burton <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: <[email protected]> > Content-Type: text/plain; charset="utf-8" > > Thats interesting thanks Steve. I am looking for positives rather than > negatives! > > > Jon Burton > Research Student MSc > University of York. > [email protected] > > > > > > > On 22 Apr 2015, at 21:21, Steven Boardman <[email protected]> > wrote: > > > > Hi Jon > > > > I add more sub (from main mix) into the lfe channel for broadcast in > Dolby > > cinemas. For the same reasons. It doesn't register so much on A weighted > or > > Dolby leq (m) meters. This means one can use more headroom of the system > > and push the dynamics and overall spl in the room. I know a few engineers > > that do this for broadcast in cinemas. > > Not sure of any research of the damaging effects though. > > > > Best > > > > Steve > > On 22 Apr 2015 20:53, "jon burton" <[email protected] <mailto: > [email protected]>> wrote: > > > >> There is a wealth of information regarding the negative effects of Low > >> frequency noise but most of it relates either to vibration issues or > sleep > >> related problems. The low frequencies produced in concerts have had very > >> little specific health related research. I recently had a long > conversation > >> with one of the major custom earplug manufacturers who was of the > opinion > >> that the low frequency levels were of little concern at rock and pop > >> concerts and that is was the A weighted band that we should be concerned > >> with. As I am looking at ways of reducing the A weighted levels by > >> increasing energy in the sub 50Hz region I am looking for research done > >> that may relate to this small but interesting area. > >> I have over the past ten years been using sub to help produce a more > >> immersive experience at low levels. I was wondering if any of the group > had > >> tried anything similar. I know there has been research done on gaming > >> chairs using vibration but has anyone done work with sound waves? > >> > >> Thanks > >> > >> > >> Jon Burton > >> Research Student MSc > >> University of York. > >> [email protected] > >> > >> > >> > >> > >> > >>> On 22 Apr 2015, at 20:20, Jonathan Burton <[email protected]> wrote: > >>> > >>> > >>> > >>> On Wednesday, April 22, 2015, Peter Lennox <[email protected] > >> <mailto:[email protected] <mailto:[email protected]>>> wrote: > >>> I'd be interested in any references indicating deleterious effects on > >> hearing of high amplitudes at LF, if anyone comes across any > >>> cheers > >>> ppl > >>> Dr. Peter Lennox > >>> Senior Fellow of the Higher Education Academy > >>> Senior Lecturer in Perception > >>> College of Arts > >>> University of Derby > >>> > >>> Tel: 01332 593155 > >>> ________________________________________ > >>> From: Sursound [[email protected] <mailto: > [email protected]> <javascript:;>] On Behalf > >> Of J?rn Nettingsmeier [[email protected] <mailto: > [email protected]> <javascript:;>] > >>> Sent: 22 April 2015 19:20 > >>> To: [email protected] <mailto:[email protected]> > <javascript:;> > >>> Subject: Re: [Sursound] Infra sound & Sub bass. > >>> > >>> On 04/22/2015 06:49 PM, jon burton wrote: > >>>> Hi I am new to the group but hoping someone may be able to help. I > >>>> am looking at the positive effects of low frequencies in music, > >>>> predominantly below 50Hz. This involves aural as well as > >>>> mechanosensations. I am interested in seeing if reinforcing the low > >>>> frequency content below 50Hz can help produce a more immersive > >>>> listening experience at lower overall sound pressure levels > >>>> (particularly when measured using the A weighting scale). Trouser > >>>> flapping bass! I am struggling to find papers on the subject. Any > >>>> suggestions are welcome! > >>> > >>> Well, it's not a secret that most live sound engineers, when faced with > >>> a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a > lot. > >>> So there is plenty anecdotal evidence for more bass resulting in less > >>> weighted sound pressure. For more perceived loudness, mixing in some > >>> typical loudspeaker-like artificial distortion has prevented me from > >>> getting beaten up at a "95 at the mixer" open air metal concert. Don't > >>> ask me who came up with that rule, for that kind of music. > >>> > >>> But I've heard medical research hint at low frequency exposure having a > >>> very damaging effect across the entire hearing spectrum, which means > >>> that we are mixing around the rules but are actually endangering our > >>> audiences. > >>> Be sure to check the literature for this problem, to get a balanced > view. > >>> > >>> -- > >>> J?rn Nettingsmeier > >>> Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > >>> > >>> Meister f?r Veranstaltungstechnik (B?hne/Studio) > >>> Tonmeister VDT > >>> > >>> http://stackingdwarves.net <http://stackingdwarves.net/> < > http://stackingdwarves.net/ <http://stackingdwarves.net/>> > >>> > >>> _______________________________________________ > >>> Sursound mailing list > >>> [email protected] <mailto:[email protected]> <javascript:;> > >>> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> < > >> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound>> - unsubscribe here, > >> edit account or options, view archives and so on. > >>> > >>> The University of Derby has a published policy regarding email and > >> reserves the right to monitor email traffic. If you believe this was > sent > >> to you in error, please select unsubscribe. > >>> > >>> Unsubscribe and Security information contact: [email protected] > <mailto:[email protected]> > >> <javascript:;> > >>> For all FOI requests please contact: [email protected] <mailto: > [email protected]> <javascript:;> > >>> All other Contacts are at http://www.derby.ac.uk/its/contacts/ < > http://www.derby.ac.uk/its/contacts/> < > >> http://www.derby.ac.uk/its/contacts/ < > http://www.derby.ac.uk/its/contacts/>> > >>> _______________________________________________ > >>> Sursound mailing list > >>> [email protected] <mailto:[email protected]> <javascript:;> > >>> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> < > >> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound>> - unsubscribe here, > >> edit account or options, view archives and so on. > >> > >> -------------- next part -------------- > >> An HTML attachment was scrubbed... > >> URL: < > >> > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/2d4ee38f/attachment.html > < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/2d4ee38f/attachment.html > > > >>> > >> _______________________________________________ > >> Sursound mailing list > >> [email protected] <mailto:[email protected]> > >> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > >> edit account or options, view archives and so on. > >> > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/706f8647/attachment.html > < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/706f8647/attachment.html > >> > > _______________________________________________ > > Sursound mailing list > > [email protected] <mailto:[email protected]> > > https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > edit account or options, view archives and so on. > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/332a6733/attachment.html > > > > ------------------------------ > > Message: 12 > Date: Wed, 22 Apr 2015 21:39:22 +0100 > From: Peter Lennox <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: > < > 28f33490c302424e98cc6dc2531b2048010277915...@mkt-mbx01.university.ds.derby.ac.uk > > > > Content-Type: text/plain; charset="iso-8859-1" > > Jon - a stitch in time - always be on the lookout for the negatives! > > the prevailing common knowledge is that LF is far less damaging at the > sensorineural level - but there must be some definitive investigation of > this, and it's vital to find it - good luck! > Dr. Peter Lennox > Senior Fellow of the Higher Education Academy > Senior Lecturer in Perception > College of Arts > University of Derby > > Tel: 01332 593155 > ________________________________________ > From: Sursound [[email protected]] On Behalf Of jon burton [ > [email protected]] > Sent: 22 April 2015 21:25 > To: Surround Sound discussion group > Subject: Re: [Sursound] Infra sound & Sub bass. > > Thats interesting thanks Steve. I am looking for positives rather than > negatives! > > > Jon Burton > Research Student MSc > University of York. > [email protected] > > > > > > > On 22 Apr 2015, at 21:21, Steven Boardman <[email protected]> > wrote: > > > > Hi Jon > > > > I add more sub (from main mix) into the lfe channel for broadcast in > Dolby > > cinemas. For the same reasons. It doesn't register so much on A weighted > or > > Dolby leq (m) meters. This means one can use more headroom of the system > > and push the dynamics and overall spl in the room. I know a few engineers > > that do this for broadcast in cinemas. > > Not sure of any research of the damaging effects though. > > > > Best > > > > Steve > > On 22 Apr 2015 20:53, "jon burton" <[email protected] <mailto: > [email protected]>> wrote: > > > >> There is a wealth of information regarding the negative effects of Low > >> frequency noise but most of it relates either to vibration issues or > sleep > >> related problems. The low frequencies produced in concerts have had very > >> little specific health related research. I recently had a long > conversation > >> with one of the major custom earplug manufacturers who was of the > opinion > >> that the low frequency levels were of little concern at rock and pop > >> concerts and that is was the A weighted band that we should be concerned > >> with. As I am looking at ways of reducing the A weighted levels by > >> increasing energy in the sub 50Hz region I am looking for research done > >> that may relate to this small but interesting area. > >> I have over the past ten years been using sub to help produce a more > >> immersive experience at low levels. I was wondering if any of the group > had > >> tried anything similar. I know there has been research done on gaming > >> chairs using vibration but has anyone done work with sound waves? > >> > >> Thanks > >> > >> > >> Jon Burton > >> Research Student MSc > >> University of York. > >> [email protected] > >> > >> > >> > >> > >> > >>> On 22 Apr 2015, at 20:20, Jonathan Burton <[email protected]> wrote: > >>> > >>> > >>> > >>> On Wednesday, April 22, 2015, Peter Lennox <[email protected] > >> <mailto:[email protected] <mailto:[email protected]>>> wrote: > >>> I'd be interested in any references indicating deleterious effects on > >> hearing of high amplitudes at LF, if anyone comes across any > >>> cheers > >>> ppl > >>> Dr. Peter Lennox > >>> Senior Fellow of the Higher Education Academy > >>> Senior Lecturer in Perception > >>> College of Arts > >>> University of Derby > >>> > >>> Tel: 01332 593155 > >>> ________________________________________ > >>> From: Sursound [[email protected] <mailto: > [email protected]> <javascript:;>] On Behalf > >> Of J?rn Nettingsmeier [[email protected] <mailto: > [email protected]> <javascript:;>] > >>> Sent: 22 April 2015 19:20 > >>> To: [email protected] <mailto:[email protected]> > <javascript:;> > >>> Subject: Re: [Sursound] Infra sound & Sub bass. > >>> > >>> On 04/22/2015 06:49 PM, jon burton wrote: > >>>> Hi I am new to the group but hoping someone may be able to help. I > >>>> am looking at the positive effects of low frequencies in music, > >>>> predominantly below 50Hz. This involves aural as well as > >>>> mechanosensations. I am interested in seeing if reinforcing the low > >>>> frequency content below 50Hz can help produce a more immersive > >>>> listening experience at lower overall sound pressure levels > >>>> (particularly when measured using the A weighting scale). Trouser > >>>> flapping bass! I am struggling to find papers on the subject. Any > >>>> suggestions are welcome! > >>> > >>> Well, it's not a secret that most live sound engineers, when faced with > >>> a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a > lot. > >>> So there is plenty anecdotal evidence for more bass resulting in less > >>> weighted sound pressure. For more perceived loudness, mixing in some > >>> typical loudspeaker-like artificial distortion has prevented me from > >>> getting beaten up at a "95 at the mixer" open air metal concert. Don't > >>> ask me who came up with that rule, for that kind of music. > >>> > >>> But I've heard medical research hint at low frequency exposure having a > >>> very damaging effect across the entire hearing spectrum, which means > >>> that we are mixing around the rules but are actually endangering our > >>> audiences. > >>> Be sure to check the literature for this problem, to get a balanced > view. > >>> > >>> -- > >>> J?rn Nettingsmeier > >>> Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > >>> > >>> Meister f?r Veranstaltungstechnik (B?hne/Studio) > >>> Tonmeister VDT > >>> > >>> http://stackingdwarves.net <http://stackingdwarves.net/> < > http://stackingdwarves.net/ <http://stackingdwarves.net/>> > >>> > >>> _______________________________________________ > >>> Sursound mailing list > >>> [email protected] <mailto:[email protected]> <javascript:;> > >>> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> < > >> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound>> - unsubscribe here, > >> edit account or options, view archives and so on. > >>> > >>> The University of Derby has a published policy regarding email and > >> reserves the right to monitor email traffic. If you believe this was > sent > >> to you in error, please select unsubscribe. > >>> > >>> Unsubscribe and Security information contact: [email protected] > <mailto:[email protected]> > >> <javascript:;> > >>> For all FOI requests please contact: [email protected] <mailto: > [email protected]> <javascript:;> > >>> All other Contacts are at http://www.derby.ac.uk/its/contacts/ < > http://www.derby.ac.uk/its/contacts/> < > >> http://www.derby.ac.uk/its/contacts/ < > http://www.derby.ac.uk/its/contacts/>> > >>> _______________________________________________ > >>> Sursound mailing list > >>> [email protected] <mailto:[email protected]> <javascript:;> > >>> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> < > >> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound>> - unsubscribe here, > >> edit account or options, view archives and so on. > >> > >> -------------- next part -------------- > >> An HTML attachment was scrubbed... > >> URL: < > >> > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/2d4ee38f/attachment.html > < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/2d4ee38f/attachment.html > > > >>> > >> _______________________________________________ > >> Sursound mailing list > >> [email protected] <mailto:[email protected]> > >> https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > >> edit account or options, view archives and so on. > >> > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/706f8647/attachment.html > < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/706f8647/attachment.html > >> > > _______________________________________________ > > Sursound mailing list > > [email protected] <mailto:[email protected]> > > https://mail.music.vt.edu/mailman/listinfo/sursound < > https://mail.music.vt.edu/mailman/listinfo/sursound> - unsubscribe here, > edit account or options, view archives and so on. > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/332a6733/attachment.html > > > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > edit account or options, view archives and so on. > > The University of Derby has a published policy regarding email and > reserves the right to monitor email traffic. If you believe this was sent > to you in error, please select unsubscribe. > > Unsubscribe and Security information contact: [email protected] > For all FOI requests please contact: [email protected] > All other Contacts are at http://www.derby.ac.uk/its/contacts/ > > > ------------------------------ > > Message: 13 > Date: Wed, 22 Apr 2015 20:50:57 +0000 > From: Fons Adriaensen <[email protected]> > To: [email protected] > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: <[email protected]> > Content-Type: text/plain; charset=iso-8859-1 > > On Wed, Apr 22, 2015 at 08:20:36PM +0200, J?rn Nettingsmeier wrote: > > > Well, it's not a secret that most live sound engineers, when faced > > with a 99dB(A) rule, will mix into the A curve, i.e. crank up the > > bass a lot. So there is plenty anecdotal evidence for more bass > > resulting in less weighted sound pressure. > > The whole idea of measuring 100dB-ish levels with the A filter > is somehow ... (trying to be gentle) strange... > > Ciao, > > -- > FA > > A world of exhaustive, reliable metadata would be an utopia. > It's also a pipe-dream, founded on self-delusion, nerd hubris > and hysterically inflated market opportunities. (Cory Doctorow) > > > > ------------------------------ > > Message: 14 > Date: Wed, 22 Apr 2015 22:00:45 +0100 > From: Steven Boardman <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: > <CABcO3VKTUgZSpWWYQK+BdHH3synGYaVHhH3+sK= > [email protected]> > Content-Type: text/plain; charset="utf-8" > > Not sure I would consider it a negative, as it does increase my listening > pleasure! Hopefully the audiences too :-) > > Steve > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/ec4cc939/attachment.html > > > > ------------------------------ > > Message: 15 > Date: Wed, 22 Apr 2015 23:48:32 +0200 > From: J?rn Nettingsmeier <[email protected]> > To: [email protected] > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: <[email protected]> > Content-Type: text/plain; charset=windows-1252; format=flowed > > On 04/22/2015 10:50 PM, Fons Adriaensen wrote: > > On Wed, Apr 22, 2015 at 08:20:36PM +0200, J?rn Nettingsmeier wrote: > > > >> Well, it's not a secret that most live sound engineers, when faced > >> with a 99dB(A) rule, will mix into the A curve, i.e. crank up the > >> bass a lot. So there is plenty anecdotal evidence for more bass > >> resulting in less weighted sound pressure. > > > > The whole idea of measuring 100dB-ish levels with the A filter > > is somehow ... (trying to be gentle) strange... > > yeah, but if you measure db(C) or unweighted and mix accordingly, you > _will_ get beaten up by the skull tattoos and leather jackets crowd. so > there are health hazards to correct measuring, too. and they are > occupational rather than recreational... > > /me uses ear protection :) > > -- > J?rn Nettingsmeier > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > > Meister f?r Veranstaltungstechnik (B?hne/Studio) > Tonmeister VDT > > http://stackingdwarves.net > > > > ------------------------------ > > Message: 16 > Date: Wed, 22 Apr 2015 22:51:53 +0100 > From: Jonathan Burton <[email protected]> > To: Surround Sound discussion group <[email protected]> > Subject: Re: [Sursound] Infra sound & Sub bass. > Message-ID: > <CALbAEB= > [email protected]> > Content-Type: text/plain; charset="utf-8" > > On Wednesday, April 22, 2015, Peter Lennox <[email protected]> wrote: > > > I'd be interested in any references indicating deleterious effects on > > hearing of high amplitudes at LF, if anyone comes across any > > cheers > > ppl > > Dr. Peter Lennox > > Senior Fellow of the Higher Education Academy > > Senior Lecturer in Perception > > College of Arts > > University of Derby > > > > Tel: 01332 593155 > > ________________________________________ > > From: Sursound [[email protected] <javascript:;>] On Behalf > > Of J?rn Nettingsmeier [[email protected] <javascript:;>] > > Sent: 22 April 2015 19:20 > > To: [email protected] <javascript:;> > > Subject: Re: [Sursound] Infra sound & Sub bass. > > > > On 04/22/2015 06:49 PM, jon burton wrote: > > > Hi I am new to the group but hoping someone may be able to help. I > > > am looking at the positive effects of low frequencies in music, > > > predominantly below 50Hz. This involves aural as well as > > > mechanosensations. I am interested in seeing if reinforcing the low > > > frequency content below 50Hz can help produce a more immersive > > > listening experience at lower overall sound pressure levels > > > (particularly when measured using the A weighting scale). Trouser > > > flapping bass! I am struggling to find papers on the subject. Any > > > suggestions are welcome! > > > > Well, it's not a secret that most live sound engineers, when faced with > > a 99dB(A) rule, will mix into the A curve, i.e. crank up the bass a lot. > > So there is plenty anecdotal evidence for more bass resulting in less > > weighted sound pressure. For more perceived loudness, mixing in some > > typical loudspeaker-like artificial distortion has prevented me from > > getting beaten up at a "95 at the mixer" open air metal concert. Don't > > ask me who came up with that rule, for that kind of music. > > > > But I've heard medical research hint at low frequency exposure having a > > very damaging effect across the entire hearing spectrum, which means > > that we are mixing around the rules but are actually endangering our > > audiences. > > Be sure to check the literature for this problem, to get a balanced view. > > > > -- > > J?rn Nettingsmeier > > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487 > > > > Meister f?r Veranstaltungstechnik (B?hne/Studio) > > Tonmeister VDT > > > > http://stackingdwarves.net > > > > _______________________________________________ > > Sursound mailing list > > [email protected] <javascript:;> > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > > edit account or options, view archives and so on. > > > > The University of Derby has a published policy regarding email and > > reserves the right to monitor email traffic. If you believe this was sent > > to you in error, please select unsubscribe. > > > > Unsubscribe and Security information contact: [email protected] > > <javascript:;> > > For all FOI requests please contact: [email protected] <javascript:;> > > All other Contacts are at http://www.derby.ac.uk/its/contacts/ > > _______________________________________________ > > Sursound mailing list > > [email protected] <javascript:;> > > https://mail.music.vt.edu/mailman/listinfo/sursound - unsubscribe here, > > edit account or options, view archives and so on. > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > https://mail.music.vt.edu/mailman/private/sursound/attachments/20150422/ada23822/attachment.html > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Sursound mailing list > [email protected] > https://mail.music.vt.edu/mailman/listinfo/sursound > > > ------------------------------ > > End of Sursound Digest, Vol 81, Issue 15 > **************************************** > -------------- next part -------------- An HTML attachment was scrubbed... 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