Does Intel know about this? I'd rather have them re-spin the board.
James
On Wed, 27 Jun 2001, Lemelin, Claude wrote:
> Hi James,
>
> We had the same problem. I is an hardware problem, du to the Neponset
> design. We succeeded in reducing the noise level by modifying the Neponset
> power supplied to the UDA1341 (3.3V) and the mike pre-amp (5V) section. The
> Assabet design gave the UDA1341 CODEC its own 3.3V regulator but no pre-amp
> while the Neponset CODEC takes it power of the board power supply. And that
> power is very dirty. So we have install a 3.3V regulator to service the
> CODEC only and bypass the pre-amp section to hook directly, the CODEC
> entries, like on Assabet. The noise level was reduce considerably. As for
> the mixer, we've made a small app to be able to change the setting.
>
> Hope that help
>
> Claude Lemelin
>
> -----Original Message-----
> From: James Esteves [mailto:[EMAIL PROTECTED]]
> Sent: 26 juin, 2001 20:57
> To: [EMAIL PROTECTED]
> Subject: Neponset Noisy Recording
>
>
> I'm trying to record .wav files using sox via Neponset board
> but I'm
> getting alot of this thumbing/hissing background...Is there
> a solution
> workaround for this? Also, is there a linux utility to
> change the mixer
> settings? Thanks in advance.
>
> I'm running 2.4.3-rk2-np1
>
> James Esteves
>
>
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