>johnm at wdi.disney.com wrote:
>With respect to John's call for PD codec sources, the problem is that so much of the good recent work has been at companies who want to license the technology as their business, so it's unlikely that they'd post a reference implementation to the web (or even publish a paper describing their techniques that
>would make it easy for anyone else to make an external implementation).

Sad but true. I do have a good book ("Introduction to Data Compression")
that describes the general approaches used in MP3 and other modern
codecs but I suspect that a great deal of careful work must go into
tuning the precise parameters and filter coefficients to make a
really great codec.

	-- John