RE: Question about microphone usage on OMAP2430SDP

Syed Mohammed, Khasim
2007-01-24T02:04:22Z

Hi,

What is the version of your 2430 SDP? It will be printed on MMC slot-1.

Regards,
Khasim

> -----Original Message-----
> From: linux-omap-open-source-bounces@linux.omap.com
[mailto:linux-omap-
> open-source-bounces@linux.omap.com] On Behalf Of RobertChou
> Sent: Tuesday, January 23, 2007 7:58 PM
> To: linux-omap-open-source@linux.omap.com
> Subject: Question about microphone usage on OMAP2430SDP
>
> hi,
>
> I'm trying to record some voice through Main/Sub & Headset
microphone on
> OMAP2430SDP board. But only noises is recorded (does not sound like
> voice).
>
> I have used
> 1. cat /dev/dsp > audio.out & cat audio.out > /dev/dsp -->
failed
> 2. sample program from pjsip (open source sip protocol stack)
> which config. sample rate=44100, ch=2, bits=16
> (able to record sound in x86 system)
-->
> failed
>
> Besides main/sub mic, I noticed that the record source can be
switch to
> Headset by ioctl OSS driver. I tried to use audio connector to 3.5mm
> microphone
> to the headset plug. But still doesn't work.
>
> I'm using linux-2.6.14-omap2430 downloaded from TI webiste. Does
anyone
> ever
> successfully record anything from OMAP2430 main/sub or headset mic?
And
> how
> can i correctly connect microphone to on-board headset plug? I'm
currently
> using
> audio connector grab from nokia mobile accessory. Thx for answering my
> question.
>
> Best Regards,
>
> Robert
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