Could do that... I wonder if the compression ratio would suffer, though. Just a hunch.
-PW On Wed, Jul 25, 2007 at 01:37:18PM -0700, Gregory Alan Hildstrom wrote: > The JasPer library documentation states that a single image component can be > from 1 to 16 bits per > sample, so not directly. 24-bit color images are actually treated as 3 8-bit > components: like one > red component, one green component, and one blue component. > > For lossless compression, we could easily place the most significant 16 bits > in the first image > component and place the least significant 16 bits in a second image component > of each frame. It > should also be possible to code something up that does the same sort of > 16-bit splitting into 2 > flac files. -Greg > > --- Paul Winkler <[EMAIL PROTECTED]> wrote: > > > 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 > > > [EMAIL PROTECTED] > > > Software Engineer - Hildstrom Engineering > > > geocities.com/hildstrom > > > [EMAIL PROTECTED] > > > Mobile:(210)413-6082 > > > Fax:(210)599-0469 > > > Office:(210)340-3151x117 > > > _______________________________________________ > > > Linux-audio-dev mailing list > > > [email protected] > > > http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-dev > > > > -- > > > > Paul Winkler > > http://www.slinkp.com > > _______________________________________________ > > Linux-audio-dev mailing list > > [email protected] > > http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-dev > > > > _______________________________________________ > Linux-audio-dev mailing list > [email protected] > http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-dev -- Paul Winkler http://www.slinkp.com _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-dev
