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[ts-7000] Re: Sound cards (WAS: TS-7200 / ARM9 speed issue - question)

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Subject: [ts-7000] Re: Sound cards (WAS: TS-7200 / ARM9 speed issue - question)
From: "Yan Seiner" <>
Date: Thu, 07 Jun 2007 14:20:11 -0000
--- In  "Breton M. Saunders"
<> wrote:
>
> Yan Seiner wrote:
> > --- In  "Breton M. Saunders"
> > <breton.saunders@> wrote:
> >   
> >> Oh yea, forgot to mention:
> >>   I needed a EP9302 to play mp3s. 
> >>   Using mpg123 (a floating point heavy program) - the performance was
> >> about 5x slower than realtime.
> >>   Using madplay (a fixed point program) the performace was about 30%
> >> load while playing in stereo. 
> >>
> >>     
> >
> > What sound card are you using?
> >   
> We're using a WM8510 (a mono codec) - hand wired.  However, the driver
> isn't public yet - there are some significant issues still, and I
> haven't had time to get back to looking at it.
> 
> The driver is based on ASOC - and therefore, you could choose any codec
> that ASOC supports using the I2S transport. 
> 
> I would recommend looking at the Wolfson codecs with built-in
> amplifiers.  Our audio solution is the Wolfson example diagram - just
> wired to the TS7400, and contains about 10 parts.  I would suggest you
> look at the similar wolfson codecs first, as other solutions, like the
> CS4271 require dozens of parts...

OK, well, I'm looking at a one-off demo type of thing, so I'm really
interested in a plug and play solution....

--Yan



 
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