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Re: [Cs-dev] Ambisonic opcodes

Date2007-07-05 21:53
From"Art Hunkins"
SubjectRe: [Cs-dev] Ambisonic opcodes
Thanks, John.

I'm very interested in the possible "bugs" Victor has noticed as well.

Victor, will you (or anyone else) be investigating these in the near future?
I'm vaguely dissatisfied with the results I'm getting with bformdec as well;
but otherwise haven't the slightest idea what to do about it, as things seem
to be "working."

Art Hunkins

----- Original Message ----- 
From: "jpff" 
To: "Art Hunkins" ; "Developer discussions"

Cc: 
Sent: Thursday, July 05, 2007 2:46 PM
Subject: Re: [Cs-dev] Ambisonic opcodes


> The changes are directly compatible with the 5.06 code -- exactly the
> same coefficients.  If you use the negative setup values you will get
> a different decode (allegedly better), and here is a new setup,
> numbers 6 that give 5.1 in a better way.
>
> I am unable to test any of this as I only have a stereo system here.
>
> ==John ffitch
>
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Date2007-07-06 09:32
Fromjpff
SubjectRe: [Cs-dev] Ambisonic opcodes
Art
  I am very interested in getting the ambisonic system "right", so any
  hard information is most welcome.  If you have an ambisonic piece
  with a suitable speaker set up, try changing the isetup parameter in
  the decode to the negative of what you have and see if it is any
  better.  If you have a 5.1 system try -3, 3 and 6 as setup numbers and
  see which is best.
==John ffitch

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