On Mar 8, 2008, at 8:31 AM, Miguel Negrao wrote:
> Introduces a delay ?? I don't think so, the encoding equations are
> pure
> multiplications, each channel of the b-format signal is just the
> input
> multiplied by a certain coeficiient, and the decoding stage is the
> same.
Kind of... there is quite a bit of trig to get the coefs. Hard coded
coefs are, I think, impossible for encoding, and I don't like them for
decoding either. One thing I do quite a bit is decode for a 'moving'
virtual speaker, then re-encode that signal. It gives you something
like a 'spotlight' into the soundfield, and can be a very interesting
effect (especially when filtering and other effect are applied between
the decode and re-encode process).
Josh
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/* Joshua D. Parmenter
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