Tuning and sensitivity of the human vestibular system to low-frequency
vibration.
Neil P McAngus Todd, Sally M Rosengren James G Colebatch
"...These results extend our knowledge of vibration-sensitivity of vestibular
afferents but also are remarkable as they indicate that the seismic sensitivity
of the human vestibular system exceeds that of the cochlea for low-frequencies.
"
Tuning and sensitivity of the human vestibular system to low-frequency
vibration. - ResearchGate. Available from:
http://www.researchgate.net/publication/23174127_Tuning_and_sensitivity_of_the_human_vestibular_system_to_low-frequency_vibration
and: Todd and Cody:
"In the Journal of the Acoustical Society of America1, Neil McAngus Todd and
Frederick Cody of the University of Manchester suggest that addiction to
ultra-loud music results from the fact that it quite literally moves its
listeners.... But in contrast to industrial noise, Todd and Cody point out,
much of the signal of loud rock and dance music is at low frequencies-in the
bass. They wondered whether loud, low frequencies might be doing something
quite different to the ear than normal sound.... But exactly why some people
find acoustic excitation of the vestibular system pleasurable is not yet
clear."
From: http://www.nature.com/news/2000/000107/full/news000113-2.html story on :
McAngusTodd, N.P. & Cody, F.W. Vestibular responses to loud dance music: A
physiological basis of the "rock and roll threshold"? JASA 107, 496 - 500 2000.
Dr. Peter Lennox
Senior Lecturer in Perception
College of Arts
University of Derby, UK
e: p.len...@derby.ac.uk
t: 01332 593155
-----Original Message-----
From: Sursound [mailto:sursound-boun...@music.vt.edu] On Behalf Of jon burton
Sent: 23 April 2015 05:24
To: Surround Sound discussion group
Subject: Re: [Sursound] Infra sound & Sub bass.
Increasing European legislation is pushing concert levels to a maximum of
100dBA over a 10-15min LEQ. In doors in France the norm is 103 dBA over 10
mins. Switzerland has a generous 100dBA over 60 minutes. At open air festivals
the level can be as low as 95dBA or 10 minutes. The days of unrestrained rock
concerts are pretty much over. At the big Rock festivals such as Download and
Sonisphere the norm in 98dBA 15 mins. Cheating the levels is very hard and
requires a different attitude to mixing which is what I am researching. I am
very interested to hear that other engineers such as Steve Boardman are
adopting the sub route. I am interested in any of the positives of the route in
particular mechanosensation, the feeling that sound is loud associated with the
sensation of air pressure on the skin, in the chest cavity etc. Trying to
reintroduce the immersive quality of a loud concert with out the harmful sound
pressure at the frequencies that are most often associated with hearing damage.
Jon Burton
Research Student MSc
University of York.
jgb...@york.ac.uk
> On 22 Apr 2015, at 22:48, Jörn Nettingsmeier <netti...@stackingdwarves.net>
> wrote:
>
> On 04/22/2015 10:50 PM, Fons Adriaensen wrote:
>> On Wed, Apr 22, 2015 at 08:20:36PM +0200, Jörn 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 :)
>
> --
> Jörn Nettingsmeier
> Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487
>
> Meister für Veranstaltungstechnik (Bühne/Studio) Tonmeister VDT
>
> http://stackingdwarves.net
>
> _______________________________________________
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