Useful to know. So, it should be possible to squeeze a low-rate stream out
of the
thing. I suppose 32KHz is fine considering the DAC & op-amp isn't likely to
be
all that great to start with...


----- Original Message -----
From: "Andy Mucho" <andy@...>
To: <gbadev@egroups.com>
Sent: Tuesday, October 03, 2000 4:18 PM
Subject: RE: [gbadev] image file format


> Sean Dunlevy wrote:
> >
> > Anyone know the MIPS usage of an MP audio stream? I downloaded a DOS
> > compressor/decompressor and it was a total beast of a program. That
> > psycho-acoustic model stuff is really wild...
>
> Expect on the ARM7 architecture a full 48K 128Kbps Layer3 stream to
require
> close to 30MHZ..
> Obviously pretty useless for the GBA's underpowered CPU..
> So just to give you a hint :) 16K mono MP3 takes just over 5MHZ of power.
> The power required for other variations of bitstream and sample rates,
scale
> in a fairly linear fashion.
> AndyM
>
>
>
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