Re: [LAU] Pro Audio? OT rant.

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To: linux-audio-user <linux-audio-user@...>
Date: Monday, December 31, 2012 - 10:30 pm

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On Mon, Dec 31, 2012 at 4:01 PM, Folderol wrote:

> On Mon, 31 Dec 2012 15:39:45 -0600

You design a psychoacoustic experiment. The case you mentioned is a very
narrow case to look at how the ear discriminates phase differences.
Objectively determining if/how the listener has a different response with
differences in phase is just plain scientific experiment design.
Psychoacoustics tends to have some very interesting experimental
methodologies. I used to read a lot of papers and was frequently surprised
how clever the experiments are.

Phase-locking is *very* significant in the human auditory system--if
scientists have not found how phase differences can change how a sound is
perceived, it may be that we're not asking the right questions.

Chuck

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On Mon, Dec 31, 2=
012 at 4:01 PM, Folderol <folderol@ukfsn.org> wrote:

On Mon, 31 Dec 2012 15:39:45 -0600
Charles Henry <cz=
henry@gmail.com
> wrote:

> However, phase shifts aren't much of a problem by themselves--they=
're all

room
effect.

A slight digression...
For a long time I've wondered if the ear, being a non-linear 'devic=
e' can
actually detect absolute phase at low frequencies. i.e. if the compressions=
and
rarefactions were swapped, would it sound different?

To test this with a mono source presumably all you'd have to do would b=
e to
have an asymmetric signal and swap the speaker leads, but how would you
objectively test the listener?

--
Will J Godfrey=A0You design a =
psychoacoustic experiment.=A0 The case you mentioned is a very narrow case =
to look at how the ear discriminates phase differences.=A0 Objectively dete=
rmining if/how the listener has a different response with differences in ph=
ase is just plain scientific experiment design.=A0 Psychoacoustics tends to=
have some very interesting experimental methodologies.=A0 I used to read a=
lot of papers and was frequently surprised how clever the experiments are.=

Phase-locking is *very* significant in the human auditory sy=
stem--if scientists have not found how phase differences can change how a s=
ound is perceived, it may be that we're not asking the right questions.=

Chuck

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