Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec

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To: <linux-audio-user@...>
Date: Friday, January 7, 2011 - 9:02 am

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On Friday 07 January 2011 09:10:41 Giso Grimm wrote:

I imagine it could be used:
Ambisonic when shipped seems to be normalized to distance of 1 unit.
When your speaker array is much bigger or smaller, one could use that=20
information to rescale the sound reproduction.
But I haven't actually thought about this or even tried some formulas... Mi=
ght=20
not work.

One other usage for the distance is for near-field compensation. I believe=
=20
fons' ambidec can do that, but isn't using the distance for this. Might be=
=20
interesting to make the amount of near-field compensation depend on the=20
distance of the speakers.

=46inally, one of the main advantages of ambisonics compared to that 5.1/7.=
1-
crap is that your setup doesn't have to be perfect. Different distances and=
=20
even different irregularities in shape can be compensated and still reprodu=
ce=20
the signal as intended.

Have fun,

Arnold, just realizing that my "worlds smallest amb-rig" won't be finished =
in=20
time for a lac-talk...

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Messages in current thread:
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Jörn Nettingsmeier, (Fri Jan 7, 9:56 am)
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Arnold Krille, (Fri Jan 7, 9:02 am)
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Jörn Nettingsmeier, (Fri Jan 7, 10:10 am)
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Jörn Nettingsmeier, (Sat Jan 8, 12:39 am)
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Jörn Nettingsmeier, (Sun Jan 9, 9:14 pm)
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Jörn Nettingsmeier, (Sat Jan 8, 12:24 am)
Re: [LAU] ambisonics: fons ambdec and muse.demon.co.uk ambidec, Jörn Nettingsmeier, (Thu Jan 6, 11:11 pm)