From: Andy Farnell ()
Date: May 14, 2008
Subject:
Re: Compressing phase vocoder data
On Wed, 14 May 2008 11:26:34 +0000 (GMT)
Ben Gillett wrote:
> I was also wondering whether it might be possible to store amplitude
> data less frequently in either the time or frequency dimension for higher
> frequency bins without noticeable degredation in quality.=A0 I was also=20
> considering using ADPCM with uLaw compression to compress both the
> amplitudes and frequencies.=A0
This seems the most useful data reduction approach. The first thing=20
that came to mind is fitting breakpoint line envelopes as is often
done with additive resynthesis data.
You may be able to find a ready solution and hack it to your data
format.
--=20
Use the source
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