On Wed, 2002-11-20 at 16:56, Josh Coalson wrote:> I mean). FLAC only supports 8 channels, but I would bet that > the compression would be a lot better if you separated the 300 > channels stream into several streams (<=8 channels each) and > compressed them with FLAC. That may not be practical for your > application.Hmm, I just acquired some data that has 2 gates and 4 channels (for 8 independent channels), and shorten still beat flac. skiymet:/tmp>ll really* -rw-r--r-- 1 radar wheel 516384 Nov 20 07:43 reallyraw -rw-r--r-- 1 radar wheel 195712 Nov 20 07:43 reallyraw.flac-8chn -rw-r--r-- 1 radar wheel 193049 Nov 20 07:44 reallyraw.short.8 Weird! -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 9A8C 569F 685A D928 5140 AE4B 319B 41F4 5D17 FDD5
--- Daniel O'Connor <doconnor@gsoft.com.au> wrote:> On Wed, 2002-11-20 at 16:56, Josh Coalson wrote: > > I mean). FLAC only supports 8 channels, but I would bet that > > the compression would be a lot better if you separated the 300 > > channels stream into several streams (<=8 channels each) and > > compressed them with FLAC. That may not be practical for your > > application. > > Hmm, I just acquired some data that has 2 gates and 4 channels (for 8 > independent channels), and shorten still beat flac. > > skiymet:/tmp>ll really* > -rw-r--r-- 1 radar wheel 516384 Nov 20 07:43 reallyraw > -rw-r--r-- 1 radar wheel 195712 Nov 20 07:43 reallyraw.flac-8chn > -rw-r--r-- 1 radar wheel 193049 Nov 20 07:44 reallyraw.short.8 > > Weird!Interesting, do you have a place to host these files (or another representative small sample)? I'd like see where the difference is coming from. Josh __________________________________________________ Do you Yahoo!? Yahoo! Web Hosting - Let the expert host your site http://webhosting.yahoo.com
On Thu, 2002-11-21 at 09:25, Josh Coalson wrote:> > Weird! > > Interesting, do you have a place to host these files (or > another representative small sample)? I'd like see where > the difference is coming from.I can host them at home on my DSL link (only 64kbps up though). I will copy the "small channel" version (the one I did the most recent test on) to home and let you know. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 9A8C 569F 685A D928 5140 AE4B 319B 41F4 5D17 FDD5