Re: [uCsimm] MP3's

From: Micah Dowty (micah@homesoftware.com)
Date: Thu May 04 2000 - 19:04:56 EDT


What about an MP3 decoder in an FPGA?
Upgradable, but I have no experience with FPGAs though so I don't know if
this would be practical.

Micah Dowty
www.homesoftware.com

-----BEGIN GEEK CODE BLOCK-----
Version: 3.12
GCS d- s:+ a--- C++ UL++++ P++++>+++++ L++++ E>+++ W+++
N o? K- w--- O? M- V? PS+ PE-- Y+ PGP t 5? X+ R>+ tv-
b+ DI++ D++ G>++ e- h! !r !y
------END GEEK CODE BLOCK------

On Thu, 4 May 2000 mgraffam@idsi.net wrote:

> On Thu, 4 May 2000, Keith Christopher wrote:
>
> > > I will however agree that some people use too much muscle where something
> > > smaller would be just fine. Example: the empeg car MP3 player. It uses a
> > > Pentium-class CPU, when Micronas MP3 decoder chips cost $20-$25 _in
> > > quantities of one_! Meanwhile, someone else has built a PIC-based MP3 player
> > > that wraps around a hard drive. I'm not sure it has a display. It is
> > > controlled through six buttons (fwd, back, prev, next, stop, play). I forget
> > > what it's called though.
> > >
> >
> > I agree RE the Micronas decoder issue, I think the empeg was designed
> > when this was not available.
>
> Going with a decoder chip would have been death in the long-term. When
> MPEG audio layer 4 takes over, hardwired decoder chip solutions will
> be obsolete.
>
> The Empeg is nominally consumer-oriented, an upgrade path to any digital
> music format that might become popular (whether defined by the MPEG
> consortium or otherwise) is needed.
>
> Such generality requires a programmable chip. Going with a Pentium-class
> CPU, and Linux is a good choice because by the time some new music
> format is popular enough to warrant an official upgrade, chances are
> that some hacker will have coded a player and released it GPL.
>
> Michael J. Graffam (mgraffam@idsi.net)
>
> This message resent by the ucsimm@uclinux.com list server http://www.uClinux.com/
>

This message resent by the ucsimm@uclinux.com list server http://www.uClinux.com/



This archive was generated by hypermail 2b30 : Sun Apr 07 2002 - 00:01:35 EST