Hey nice one Natasha thanks for your input - very interesting .

On 12 December 2012 18:20, Natasha Barrett <[email protected]> wrote:

> Silent reader, but chip in here with my practical experience of WFS, HOA
> and NFC-HOA (as I guess you know the theory):
>
> 1. Proximity illusions on WFS at IRCAM: all four sides WFS arrays (BTW
> flat along the walls), sounds appear beside 'you', but then 'you' have to
> be in the right place. Kind of like one sweet spot for each sound point
> (and of course you have to be on the correct side of the traveling
> wavefront). Therefore there are mixing and composition tactics to get the
> best out of WFS proximity illusion. It sounds super, but as all
> spatialisation is in real-time you loose the advantage of HOA's
> encoding-decoding separation.
>
> 2. Proximity illusions on HOA at IRCAM: I worked with 7th order 3D over 75
> loudspeakers and 12th order 2D over 25 loudspeakers. HOA alone will not,
> and is not supposed to, make *focused* sounds inside the array. HOWEVER,
> with the orders I worked with there are tricks to with sound motion,
> mixing, contrast, sound sources etc that gives the illusion of 'something'
> inside the array. But remember that this is to do with artistic use of the
> sound rather than embedded in the technology itself. And of course these
> high orders gave an enormous sweet spot / stable listening area! Completely
> different sound to WFS and it was great to use HOA and WFS at the same
> time! In fact quite depressing to return to my own lower order composition
> studio.
>
> I also made practical tests with implementations of published NFC-HOA
> theory (near-field compensated HOA). There is definitely something
> interesting perceptually - a 'kind of' focused source inside the array
> effect, not as spooky clear as WFS, but heard for the complete audience.
> With NFC the bass boost is still an issue even with compensation filters
> that end up removing the NFC effect (and so the technology still has some
> way to go).
>
> Happy spatialising!
>
> Natasha
>
>
> On Dec 12, 2012, at 6:00 PM, [email protected] wrote:
>
> > Send Sursound mailing list submissions to
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> >
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> but just the post you are replying to.
> >
> >
> > Today's Topics:
> >
> >   1. Height localisation in a speaker triangle (J?rn Nettingsmeier)
> >   2. Proximity illusions - WFS vs HOA (Augustine Leudar)
> >   3. a quick tutorial video on how to create an impulse       response
> >      (Pierre Alexandre Tremblay)
> >   4. Re: Proximity illusions - WFS vs HOA (David Pickett)
> >   5. Re: Proximity illusions - WFS vs HOA (Augustine Leudar)
> >   6. Re: Proximity illusions - WFS vs HOA (J?rn Nettingsmeier)
> >   7. Re: a quick tutorial video on how to create an impulse
> >      response (Augustine Leudar)
> >   8. Re: Proximity illusions - WFS vs HOA (Augustine Leudar)
> >   9. Re: a quick tutorial video on how to create an impulse
> >      response (Anthony Palomba)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 11 Dec 2012 21:26:47 +0100
> > From: J?rn Nettingsmeier <[email protected]>
> > Subject: [Sursound] Height localisation in a speaker triangle
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID: <[email protected]>
> > Content-Type: text/plain; charset=UTF-8; format=flowed
> >
> > Hi *!
> >
> >
> > At the Tonmeistertagung in Cologne last month, I made the acquaintance
> > of Mike Williams, recording engineer and long-time AES contributor. He
> > confronted me with an interesting claim while we were discussing the
> > Auro-3D layout: according to Mike, there is precise height localisation
> > between a front L/R pair and a front height center, much better than the
> > "either up or down" kind of thing we've come to expect from Auro rigs
> > where height speakers are right above the floor ones. Which is why he is
> > proposing height speakers at 0?, 90?, 180? and 270?.
> >
> > I haven't been able to look into this, and my gut feeling is that what
> > Mike describes as precise height localisation during source movements is
> > in fact a projection of the diagonal movement onto the horizontal plane
> > (where our hearing apparatus is most discriminating), and the brain
> > subconciously fills in the height based on a-priori knowledge of intent
> > and speaker position. The only way to find out is a blind listening
> > test, but maybe the patrons of this list have tried it and are able to
> > comment?
> >
> > Because if Mike's claim is true (or even just marginally helpful), then
> > even if it's only about amplitude panning, we might exploit it for the
> > design of Ambi rigs in the rE realm. I recall people have argued in
> > favor of twisted rings before - maybe this is a case in point?
> >
> >
> > Best,
> >
> >
> > J?rn
> >
> >
> > --
> > J?rn Nettingsmeier
> > Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487
> >
> > Meister f?r Veranstaltungstechnik (B?hne/Studio)
> > Tonmeister VDT
> >
> > http://stackingdwarves.net
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Wed, 12 Dec 2012 12:10:28 +0000
> > From: Augustine Leudar <[email protected]>
> > Subject: [Sursound] Proximity illusions - WFS vs HOA
> > To: [email protected]
> > Message-ID:
> >       <
> cabx2jurqtss-l+ug7fgq8gxpd13bplkpohdbkwezuoxusvw...@mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Ok lets have a proximity off !
> > One of the things that interests me most in the work Im doing is creating
> > proximity illusions. One member of this board asked my why I would choose
> > WFS over HOA for the horizontal plane and my answer was that WFS could
> > create more effective proximity illusions. However it occurs to me I
> > haven't really heard a very high order ambisonic system (say 200+
> speakers)
> > - I have heard ambisonics on the 48 speaker system at Sarc and didn't if
> > I'm honest hear much I would consider an effective proximity illusion. I
> > have also heard my own humble single line array WFS system which was
> better
> > but still not totally satisfactory- but others have bought reports back
> > from Ircam of "voices right in front of them"  . So my question is to
> those
> > that have heard both WFS and HOA systems (not theory - actually heard) -
> > which in your ear was able to create the most effective proximity
> illusions
> > ?
> > Also has anyone heard the haunted mansion WFS system at Disney ?
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> https://mail.music.vt.edu/mailman/private/sursound/attachments/20121212/d28778e8/attachment.html
> >
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Wed, 12 Dec 2012 14:50:27 +0000
> > From: Pierre Alexandre Tremblay <[email protected]>
> > Subject: [Sursound] a quick tutorial video on how to create an impulse
> >       response
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID: <[email protected]>
> > Content-Type: text/plain; charset=us-ascii
> >
> > Dear all
> >
> > Thanks to Rodrigo Constanzo we have the first video tutorial of how to
> use and abuse the fruit of the HIRT (the HISS Impulse Response Toolbox).
> This time round, it is the basic use of capturing an impulse response with
> some of the tools for MaxMSP.
> >
> > Feel free to watch it here:
> >
> > https://vimeo.com/55440630
> >
> > The paper and all the externals are still available here:
> >
> > http://eprints.hud.ac.uk/14897/
> >
> > Let us know what you think!
> >
> > p
> >
> > ps for those who prefer youtube, it will soon be up there too!
> >
> > ------------------------------
> >
> > Message: 4
> > Date: Wed, 12 Dec 2012 08:43:44 -0600
> > From: David Pickett <[email protected]>
> > Subject: Re: [Sursound] Proximity illusions - WFS vs HOA
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID: <[email protected]>
> > Content-Type: text/plain; charset="us-ascii"; format=flowed
> >
> > I must have missed the beginning of this.
> >
> > What does WFS stand for? "W... Field System"?
> >
> > David
> >
> > At 06:10 12-12-12, Augustine Leudar wrote:
> >> Ok lets have a proximity off !
> >> One of the things that interests me most in the work Im doing is
> creating
> >> proximity illusions. One member of this board asked my why I would
> choose
> >> WFS over HOA for the horizontal plane and my answer was that WFS could
> >> create more effective proximity illusions. However it occurs to me I
> >> haven't really heard a very high order ambisonic system (say 200+
> speakers)
> >> - I have heard ambisonics on the 48 speaker system at Sarc and didn't if
> >> I'm honest hear much I would consider an effective proximity illusion. I
> >> have also heard my own humble single line array WFS system which was
> better
> >> but still not totally satisfactory- but others have bought reports back
> >> from Ircam of "voices right in front of them"  . So my question is to
> those
> >> that have heard both WFS and HOA systems (not theory - actually heard) -
> >> which in your ear was able to create the most effective proximity
> illusions
> >> ?
> >> Also has anyone heard the haunted mansion WFS system at Disney ?
> >> -------------- next part --------------
> >> An HTML attachment was scrubbed...
> >> URL:
> >> <https://mail.music.vt.edu/mailman/private/sursound/attachments/201212
> >12/d28778e8/attachment.html>
> >> _______________________________________________
> >> Sursound mailing list
> >> [email protected]
> >> https://mail.music.vt.edu/mailman/listinfo/sursound
> >
> >
> >
> > ------------------------------
> >
> > Message: 5
> > Date: Wed, 12 Dec 2012 15:15:40 +0000
> > From: Augustine Leudar <[email protected]>
> > Subject: Re: [Sursound] Proximity illusions - WFS vs HOA
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID:
> >       <
> cabx2jurpkjbqlxdpwsos3hxqwpuabw6w7xeyddv1kf-bc0m...@mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > sorry  - wfs - wavefield synthesis - HOA - higher order ambisonics
> >
> > On 12 December 2012 14:43, David Pickett <[email protected]> wrote:
> >
> >> I must have missed the beginning of this.
> >>
> >> What does WFS stand for? "W... Field System"?
> >>
> >> David
> >>
> >>
> >> At 06:10 12-12-12, Augustine Leudar wrote:
> >>> Ok lets have a proximity off !
> >>> One of the things that interests me most in the work Im doing is
> creating
> >>> proximity illusions. One member of this board asked my why I would
> choose
> >>> WFS over HOA for the horizontal plane and my answer was that WFS could
> >>> create more effective proximity illusions. However it occurs to me I
> >>> haven't really heard a very high order ambisonic system (say 200+
> >> speakers)
> >>> - I have heard ambisonics on the 48 speaker system at Sarc and didn't
> if
> >>> I'm honest hear much I would consider an effective proximity illusion.
> I
> >>> have also heard my own humble single line array WFS system which was
> >> better
> >>> but still not totally satisfactory- but others have bought reports back
> >>> from Ircam of "voices right in front of them"  . So my question is to
> >> those
> >>> that have heard both WFS and HOA systems (not theory - actually heard)
> -
> >>> which in your ear was able to create the most effective proximity
> >> illusions
> >>> ?
> >>> Also has anyone heard the haunted mansion WFS system at Disney ?
> >>> -------------- next part --------------
> >>> An HTML attachment was scrubbed...
> >>> URL:
> >>> <https://mail.music.vt.edu/**mailman/private/sursound/**
> >> attachments/201212<
> https://mail.music.vt.edu/mailman/private/sursound/attachments/201212>
> >>> 12/**d28778e8/attachment.html>
> >>> _____________________________**__________________
> >>> Sursound mailing list
> >>> [email protected]
> >>> https://mail.music.vt.edu/**mailman/listinfo/sursound<
> https://mail.music.vt.edu/mailman/listinfo/sursound>
> >>
> >> ______________________________**_________________
> >> Sursound mailing list
> >> [email protected]
> >> https://mail.music.vt.edu/**mailman/listinfo/sursound<
> https://mail.music.vt.edu/mailman/listinfo/sursound>
> >>
> >
> >
> >
> > --
> > 07580951119
> >
> > augustine.leudar.com
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> https://mail.music.vt.edu/mailman/private/sursound/attachments/20121212/bff73e9a/attachment.html
> >
> >
> >
> > ------------------------------
> >
> > Message: 6
> > Date: Wed, 12 Dec 2012 16:13:51 +0100
> > From: J?rn Nettingsmeier  <[email protected]>
> > Subject: Re: [Sursound] Proximity illusions - WFS vs HOA
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID: <[email protected]>
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> > On 12/12/2012 01:10 PM, Augustine Leudar wrote:
> >> Ok lets have a proximity off !
> >> One of the things that interests me most in the work Im doing is
> creating
> >> proximity illusions. One member of this board asked my why I would
> choose
> >> WFS over HOA for the horizontal plane and my answer was that WFS could
> >> create more effective proximity illusions. However it occurs to me I
> >> haven't really heard a very high order ambisonic system (say 200+
> speakers)
> >> - I have heard ambisonics on the 48 speaker system at Sarc and didn't if
> >> I'm honest hear much I would consider an effective proximity illusion. I
> >> have also heard my own humble single line array WFS system which was
> better
> >> but still not totally satisfactory- but others have bought reports back
> >> from Ircam of "voices right in front of them"  . So my question is to
> those
> >> that have heard both WFS and HOA systems (not theory - actually heard) -
> >> which in your ear was able to create the most effective proximity
> illusions
> >> ?
> >> Also has anyone heard the haunted mansion WFS system at Disney ?
> >
> > if the wfs you have available allows it, bend it into a circle and use
> > the sound scape renderer to get an a/b comparison of HOA vs. WFS.
> > matthias and sascha have shown it to me on their 56ch circular test
> > array at t-labs. i don't remember now if i did get to hear focused
> > sources in HOA, but i believe SSR can do it.
> >
> > if you actually get the chance to try that on your own system, be sure
> > to report your findings to the ssr authors - such feedback is rare, and
> > i'm sure they'll appreciate it.
> >
> >
> >
> >
> > --
> > 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, 12 Dec 2012 15:16:49 +0000
> > From: Augustine Leudar <[email protected]>
> > Subject: Re: [Sursound] a quick tutorial video on how to create an
> >       impulse response
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID:
> >       <CABx2juqPmUNAWDZVfePBtdhwEb-Y_+UST36=
> [email protected]>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Ha I know Rodrigo well ! Will give it a watch
> >
> > On 12 December 2012 14:50, Pierre Alexandre Tremblay <[email protected]
> >wrote:
> >
> >> Dear all
> >>
> >> Thanks to Rodrigo Constanzo we have the first video tutorial of how to
> use
> >> and abuse the fruit of the HIRT (the HISS Impulse Response Toolbox).
> This
> >> time round, it is the basic use of capturing an impulse response with
> some
> >> of the tools for MaxMSP.
> >>
> >> Feel free to watch it here:
> >>
> >> https://vimeo.com/55440630
> >>
> >> The paper and all the externals are still available here:
> >>
> >> http://eprints.hud.ac.uk/14897/
> >>
> >> Let us know what you think!
> >>
> >> p
> >>
> >> ps for those who prefer youtube, it will soon be up there too!
> >> _______________________________________________
> >> Sursound mailing list
> >> [email protected]
> >> https://mail.music.vt.edu/mailman/listinfo/sursound
> >>
> >
> >
> >
> > --
> > 07580951119
> >
> > augustine.leudar.com
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> https://mail.music.vt.edu/mailman/private/sursound/attachments/20121212/3c1ba884/attachment.html
> >
> >
> >
> > ------------------------------
> >
> > Message: 8
> > Date: Wed, 12 Dec 2012 15:20:34 +0000
> > From: Augustine Leudar <[email protected]>
> > Subject: Re: [Sursound] Proximity illusions - WFS vs HOA
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID:
> >       <CABx2juor6dropnBxoe-NUrKUmOigacYjkT3hWi4bm=
> [email protected]>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Yes I'll try that . SSR can do focused sources - I actually use that
> > program on my system already - I only have a 32 channel system but Ill
> give
> > it a go. I will also test it out with own Peter's ambisonic plugin -
> maybe
> > next month sometime - Im almost excited !
> >
> > On 12 December 2012 15:13, J?rn Nettingsmeier
> > <[email protected]>wrote:
> >
> >> On 12/12/2012 01:10 PM, Augustine Leudar wrote:
> >>
> >>> Ok lets have a proximity off !
> >>> One of the things that interests me most in the work Im doing is
> creating
> >>> proximity illusions. One member of this board asked my why I would
> choose
> >>> WFS over HOA for the horizontal plane and my answer was that WFS could
> >>> create more effective proximity illusions. However it occurs to me I
> >>> haven't really heard a very high order ambisonic system (say 200+
> >>> speakers)
> >>> - I have heard ambisonics on the 48 speaker system at Sarc and didn't
> if
> >>> I'm honest hear much I would consider an effective proximity illusion.
> I
> >>> have also heard my own humble single line array WFS system which was
> >>> better
> >>> but still not totally satisfactory- but others have bought reports back
> >>> from Ircam of "voices right in front of them"  . So my question is to
> >>> those
> >>> that have heard both WFS and HOA systems (not theory - actually heard)
> -
> >>> which in your ear was able to create the most effective proximity
> >>> illusions
> >>> ?
> >>> Also has anyone heard the haunted mansion WFS system at Disney ?
> >>>
> >>
> >> if the wfs you have available allows it, bend it into a circle and use
> the
> >> sound scape renderer to get an a/b comparison of HOA vs. WFS. matthias
> and
> >> sascha have shown it to me on their 56ch circular test array at t-labs.
> i
> >> don't remember now if i did get to hear focused sources in HOA, but i
> >> believe SSR can do it.
> >>
> >> if you actually get the chance to try that on your own system, be sure
> to
> >> report your findings to the ssr authors - such feedback is rare, and i'm
> >> sure they'll appreciate it.
> >>
> >>
> >>
> >>
> >> --
> >> 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<
> https://mail.music.vt.edu/mailman/listinfo/sursound>
> >>
> >
> >
> >
> > --
> > 07580951119
> >
> > augustine.leudar.com
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> https://mail.music.vt.edu/mailman/private/sursound/attachments/20121212/a64e6209/attachment.html
> >
> >
> >
> > ------------------------------
> >
> > Message: 9
> > Date: Wed, 12 Dec 2012 10:42:53 -0600
> > From: Anthony Palomba <[email protected]>
> > Subject: Re: [Sursound] a quick tutorial video on how to create an
> >       impulse response
> > To: Surround Sound discussion group <[email protected]>
> > Message-ID:
> >       <CAFZXy=
> [email protected]>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > This is a great video! I am looking forward to seeing more,
> > especially room correction.
> >
> > I would also love to see some videos on using these
> > tools to create new timbres. For example live instruments
> > convolved with interesting sounds.
> >
> >
> > Thanks,
> > Anthony
> >
> >
> >
> >
> > On Wed, Dec 12, 2012 at 8:50 AM, Pierre Alexandre Tremblay <
> > [email protected]> wrote:
> >
> >> Dear all
> >>
> >> Thanks to Rodrigo Constanzo we have the first video tutorial of how to
> use
> >> and abuse the fruit of the HIRT (the HISS Impulse Response Toolbox).
> This
> >> time round, it is the basic use of capturing an impulse response with
> some
> >> of the tools for MaxMSP.
> >>
> >> Feel free to watch it here:
> >>
> >> https://vimeo.com/55440630
> >>
> >> The paper and all the externals are still available here:
> >>
> >> http://eprints.hud.ac.uk/14897/
> >>
> >> Let us know what you think!
> >>
> >> p
> >>
> >> ps for those who prefer youtube, it will soon be up there too!
> >> _______________________________________________
> >> Sursound mailing list
> >> [email protected]
> >> https://mail.music.vt.edu/mailman/listinfo/sursound
> >>
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: <
> https://mail.music.vt.edu/mailman/private/sursound/attachments/20121212/dd630f95/attachment.html
> >
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > Sursound mailing list
> > [email protected]
> > https://mail.music.vt.edu/mailman/listinfo/sursound
> >
> >
> > End of Sursound Digest, Vol 53, Issue 7
> > ***************************************
>
> _______________________________________________
> Sursound mailing list
> [email protected]
> https://mail.music.vt.edu/mailman/listinfo/sursound
>



-- 
07580951119

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