Re: [mpc-general] Re: Adding a lossless mode to MPC SV8
Christian HJ Wiesner <[email protected]> Sun, 05 Oct 2003 10:04:41 +0200
| Newsgroups | gmane.comp.audio.mpc.devel,gmane.comp.audio.mpc.general |
|---|---|
| Message-ID | <[email protected]> |
Jo=C3=ABl Bourquard wrote: >I like the mixing lossless/lossy channels idea a lot. This way concerts >could be encoded with full quality for the front channels, without >bloating the filesizes :-) > =20 > Thats only one possible way of using it, for different channels ina=20 multichannel file, but i was thinking about using lossless also for very=20 complex passages, like a fortissimo in orchestral music or explosions=20 etc. in movie soundtracks. >Also it would be good if for a given channel, lossy <-> lossless >switching could be done on a reasonable boundary (~1 second? ~1 frame?). >Even more space can then be spared on unimportant parts of a track. > =20 > Wavpack4 will allow that for every block of data according to David=20 Bryant, so we should be able to do the same in MPC IMHO. >Third, I'd propose to separate entropy coding from the rest (just as the >psymodel would be modularized too). This way I could implement a nice >arithmetic coding layer for those who want to save maximum space ;-) >Regards Jo=C3=ABl > :O ..... ehehehe, i was hoping for that to happen, some high quality=20 technical talking on the ML. I wonder if Frank is capable to NOT comment=20 on this :D :D !!! But please dont expect me to understand what you are=20 talking Joel ;) .... Regards Christian MPC and matroska project admin http://mpc.corecodec.org