best archiver? (for music)

Roland Smith rsmith at xs4all.nl
Sun Mar 15 00:19:55 PDT 2009


On Sat, Mar 14, 2009 at 09:42:25PM -0700, Gary Kline wrote:
> On Sat, Mar 14, 2009 at 08:36:25AM +0100, Wojciech Puchar wrote:
> > >
> > >There is a special codec for speech. You'll find it the
> > >audio/speex port. From the pkg-descr:
> > 
> > actually i use it with asterisk - at about 15kbps (VBR) there are audible 
> > differences between this and standard 64kbps a-law - but the differences 
> > are POSITIVE - speech sounds clearer!
> > 
> 
> 	There's something I've been wanting to ask and a web search
> 	hasn't told me very much.  What is the "mp4"? Is it == to "aac"
> 	or "aacPlus"?  Some online stations carry the acc format and it
> 	seems better than mp3.  I can't really tell. 

It's quite complicated. See http://en.wikipedia.org/wiki/MPEG4 and
http://en.wikipedia.org/wiki/Advanced_Audio_Coding 

Roland
-- 
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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