Re: [LAD] Audio Levitation

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To: Fons Adriaensen <fons@...>
Cc: The Linux Audio Developers' Mailing List <linux-audio-dev@...>
Date: Friday, January 3, 2014 - 11:01 pm

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On Fri, Jan 3, 2014 at 4:03 PM, Charles Z Henry wrote:

>

I got that wrong:
The peak pressure difference occurs where the volume velocity is zero.
The location of the peak spatial derivative of pressure coincides with the
location of peak volume velocity.

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On Fri, Jan 3, 2014 at 4:03 PM, Charles Z Henry &=
lt;czhenry@gmail.com=
> wrote:
Why do we see this technique applied with high frequencies?=A0 At the n=
ode locations, there is the highest peak spatial derivative of the pressure=
while at the same time, the volume velocity of air goes to 0.

Vice-versa at the anti-nodes.I got that wrong:=A0 The peak pressure differe=
nce occurs where the volume velocity is zero.=A0 The location of the pe=
ak spatial derivative of pressure coincides with the location of peak volum=
e velocity.

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Messages in current thread:
[LAD] Audio Levitation, Patrick Shirkey, (Fri Jan 3, 12:03 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Fri Jan 3, 4:00 pm)
Re: [LAD] Audio Levitation, Charles Z Henry, (Fri Jan 3, 10:03 pm)
Re: [LAD] Audio Levitation, Charles Z Henry, (Fri Jan 3, 11:01 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Sat Jan 4, 12:19 am)
Re: [LAD] Audio Levitation, Patrick Shirkey, (Sat Jan 4, 10:24 am)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Sat Jan 4, 1:39 pm)
Re: [LAD] Audio Levitation, Dominique Michel, (Sat Jan 4, 4:56 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Sat Jan 4, 8:19 pm)
Re: [LAD] Audio Levitation, Patrick Shirkey, (Sun Jan 5, 2:28 pm)
Re: [LAD] Audio Levitation, R. Mattes, (Sun Jan 5, 3:33 pm)
Re: [LAD] Audio Levitation, Patrick Shirkey, (Sun Jan 5, 5:11 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Sun Jan 5, 5:48 pm)
Re: [LAD] Audio Levitation, Gordon JC Pearce, (Sun Jan 5, 7:52 pm)
Re: [LAD] Audio Levitation, R. Mattes, (Sun Jan 5, 8:44 pm)
Re: [LAD] Audio Levitation, Dominique Michel, (Sat Jan 4, 11:08 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Sun Jan 5, 12:51 pm)
Re: [LAD] Audio Levitation, Dominique Michel, (Sun Jan 5, 7:21 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Sun Jan 5, 10:39 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Sun Jan 5, 10:44 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Sun Jan 5, 10:31 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Sun Jan 5, 11:38 pm)
Re: [LAD] Audio Levitation, Dominique Michel, (Mon Jan 6, 11:11 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Tue Jan 7, 12:22 am)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Tue Jan 7, 4:03 pm)
Re: [LAD] Audio Levitation, Dominique Michel, (Thu Jan 9, 1:05 pm)
Re: [LAD] Audio Levitation, Paul Davis, (Tue Jan 7, 1:11 am)
Re: [LAD] Audio Levitation, Dominique Michel, (Tue Jan 7, 6:22 am)
Re: [LAD] Audio Levitation, Paul Davis, (Tue Jan 7, 4:10 pm)
Re: [LAD] Audio Levitation, Patrick Shirkey, (Tue Jan 7, 4:27 am)
Re: [LAD] Audio Levitation, Arnold Krille, (Sun Jan 5, 6:52 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Sun Jan 5, 10:15 pm)
Re: [LAD] Audio Levitation, John Rigg, (Mon Jan 6, 8:39 am)
Re: [LAD] Audio Levitation, Dominique Michel, (Sat Jan 4, 3:37 pm)
Re: [LAD] Audio Levitation, Patrick Shirkey, (Sat Jan 4, 3:49 pm)
Re: [LAD] Audio Levitation, Patrick Shirkey, (Sat Jan 4, 3:23 pm)
Re: [LAD] Audio Levitation, Arnold Krille, (Fri Jan 3, 7:02 pm)
Re: [LAD] Audio Levitation, Fons Adriaensen, (Fri Jan 3, 8:33 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Fri Jan 3, 7:21 pm)
Re: [LAD] Audio Levitation, Ralf Mardorf, (Fri Jan 3, 8:07 pm)