Re: [LAU] Panning based on Haas effect

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To: <linux-audio-user@...>
Date: Saturday, January 19, 2013 - 2:37 pm

On Sat, Jan 19, 2013 at 12:57:31PM +0100, Jaromír Mikeš wrote:

You seem to read the opposite of what I wrote :-)

Using delays could ensure that e.g. a sound that is supposed to be at a
particular speaker remains there even for a listener who is closer to the
other speakers which get a delayed signal. But that is not panning, it's
just assigning a sound to a particular speaker direction while using the
others to make it louder, or ensuring that the original (direct, not
amplified) sound determines the apparent direction. Such things are
routinely done in e.g. theatre sound amplification. But you can't create
stable images *in between the speakers* by using delays.

Another thing that can be done while mixing is adding early reflections
(20..80 ms) at a *low* level - this tends to reinforce the effect of the
ampltiude based panning which still determines the apparent direction.

> If this kind of "delay / Haas based panning" would be used there would

On the contrary, it creates havoc (heavy comb filtering) if the channels
are mixed. Mono compatibility is lost unless you're very careful. It is
possible to create L/R IR pairs that add delays but do not have this
problem, but you don't get those by chance.

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)

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Messages in current thread:
Re: [LAU] Panning based on Haas effect, Jaromír Mikeš, (Fri Jan 18, 10:13 pm)
Re: [LAU] Panning based on Haas effect, Jaromír Mikeš, (Fri Jan 18, 10:30 pm)
Re: [LAU] Panning based on Haas effect, Ralf Mardorf, (Fri Jan 18, 10:38 pm)
Re: [LAU] Panning based on Haas effect, Jan Depner, (Fri Jan 18, 10:35 pm)
Re: [LAU] Panning based on Haas effect, Jaromír Mikeš, (Fri Jan 18, 11:35 pm)
Re: [LAU] Panning based on Haas effect, Fons Adriaensen, (Sat Jan 19, 10:48 am)
Re: [LAU] Panning based on Haas effect, Jaromír Mikeš, (Sat Jan 19, 11:57 am)
Re: [LAU] Panning based on Haas effect, Fons Adriaensen, (Sat Jan 19, 2:37 pm)
Re: [LAU] Panning based on Haas effect, Ralf Mardorf, (Sat Jan 19, 3:13 pm)
Re: [LAU] Panning based on Haas effect, Jan Depner, (Sat Jan 19, 1:34 am)