|
|
Posted by audiohead on 03/14/06 17:11
fred-bloggs wrote:
> Man-wai Chang <toylet.toylet@gmail.com> wrote in
> news:440ea7a7$1_2@rain.i-cable.com:
>
> >
> > What're the advantages of MP4 against MP3? And it seems that MP4 is a
> > M$ standard, not intended for free+public use.
> >
>
> <quote>
> MPEG2 AAC offers superior results (to mp3) at stereo bit rates below 128
> kb/s. <endquote>
> http://www.vialicensing.com/products/mpeg2aac/standard.html
Ya..It's more efficient <128 but sounds like crap compared to LAME MP3
at anything below 160. That's why I don't buy anything from i-Tunes.
>
> MPEG4 AAC extends performance below 32 kb/s.
> http://www.vialicensing.com/products/mpeg4aac/standard.html
>
> Patents for AAC are held by AT&T, Dolby, Fraunhofer IIS, and Sony.
>
> Microsoft's proprietary encoder is called Windows Media (.wma,.wmv...)
>
> --
> fred
Navigation:
[Reply to this message]
|