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Subject: Re: Ideas for useing he MAS chip as a generic DSP
From: Linus Nielsen Feltzing (
Date: 2003-01-03

ABAZ wrote:
> 1) Try telling the MAS chip to run program whatever when no program is loaded.
> This may cause it to just pracess the data like a general DSP.

And who will write that program, when there is no documentation on
opcodes, memory space, internal registers etc. ???

And exactly what would a "general DSP" do with the data?

It's unfortunately not that simple.

> 2) (Not the best idea) After decoding, reencode the data as an MP3 (or other
> supported format). The result is only temporary, so it can be a very high
> bitrate and poorly (quickly) compressed.

The SH1 is not powerful enough to encode MP3 in real time.


Page was last modified "Jan 10 2012" The Rockbox Crew