Re: [LAD] new lossless/lossy audio compressor

Pretty cool. Does JPEG 2000 handle float data?

I'd love to be able to write an archive script for Ardour sessions
that compresses the audio data losslessly, but FLAC won't do it.

-PW

On Wed, Jul 25, 2007 at 12:47:16PM -0700, Gregory Alan Hildstrom wrote:
> Hello. I just finished writing and documenting a new lossless and lossy audio codec called
> j2kaudio. It uses the wavelet compression in JPEG 2000 to transcode audio wav data to and from j2a
> files. I have not written any sort of media player plugin yet; more testing and file format
> refinement are necessary first.
>
> I tested with 44100Hz, 16-bit, stereo CD-quality wav files, but it also supports other sample
> rates, precisions, and channel numbers.
>
> I tested against flac, lpac, shorten, and monkey's audio for lossless encoding. j2kaudio beat the
> nearest competition by over 10%.
>
> If anyone is motivated to test some additional songs, provide me with additional test data, or
> suggest another untested codec, please let me know.
>
> http://geocities.com/hildstrom/projects/j2kaudio/index.html
>
> Let me know what you think. Thanks. -Greg
>
>
> Gregory Alan Hildstrom
> Secure Systems Engineer - Trusted Computer Solutions
> trustedcs.com
> ghildstrom@email-addr-hidden
> Software Engineer - Hildstrom Engineering
> geocities.com/hildstrom
> hildstrom@email-addr-hidden
> Mobile:(210)413-6082
> Fax:(210)599-0469
> Office:(210)340-3151x117
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-- 
Paul Winkler
http://www.slinkp.com
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