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Re: testing microphone - how?



Rick Pasotto wrote:
> On Wed, Mar 25, 2009 at 08:38:55AM +1100, Alex Samad wrote:
>> On Tue, Mar 24, 2009 at 04:50:22PM -0400, Rick Pasotto wrote:
>>> On Tue, Mar 24, 2009 at 04:44:24PM -0400, H.S. wrote:
>>>> Alex Samad wrote:
>>>>> On Tue, Mar 24, 2009 at 05:51:37PM +0000, Lisi Reisz wrote:
>>>>>> On Tuesday 24 March 2009 17:21:06 Thorny wrote:
>>>>>>> On Tue, 24 Mar 2009 11:26:33 +0000, Lisi Reisz posted:
>> [snip]
>>
>>>> It will record from the device specified by "-D". You can list (to see
>>>> which device number to use) your devices using:
>>>>
>>>> ~$ arecord -l
>>> Interesting but I have no idea what the output is telling me:
>>>
>>> **** List of CAPTURE Hardware Devices ****
>>> card 0: V8237 [VIA 8237], device 0: VIA 8237 [VIA 8237]
>>>   Subdevices: 1/1
>>>   Subdevice #0: subdevice #0
>>> card 0: V8237 [VIA 8237], device 1: VIA 8237 [VIA 8237]
>>>   Subdevices: 1/1
>>>   Subdevice #0: subdevice #0
>> I am not a alsa expert, but the way I interpret this is there is 1
>> counds card it has 2 devices (could be 1 analogue and 1 digital) each
>> device has a set of functions / capabilities like play , record etc..
> 
> Well, I did what I should have done before -- read the man page. Turns
> out 'arecord -L' (capital L) gives better info:
> 
> -------------------
> $ arecord -L
> default:CARD=V8237
>     VIA 8237, VIA 8237
>     Default Audio Device
> front:CARD=V8237,DEV=0
>     VIA 8237, VIA 8237
>     Front speakers
> surround40:CARD=V8237,DEV=0
>     VIA 8237, VIA 8237
>     4.0 Surround output to Front and Rear speakers
> surround41:CARD=V8237,DEV=0
>     VIA 8237, VIA 8237
>     4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=V8237,DEV=0
>     VIA 8237, VIA 8237
>     5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=V8237,DEV=0
>     VIA 8237, VIA 8237
>     5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> iec958:CARD=V8237,DEV=0
>     VIA 8237, VIA 8237
>     IEC958 (S/PDIF) Digital Audio Output
> null
>     Discard all samples (playback) or generate zero samples (capture)
> -------------------
> 
> So it looks like I don't have a mike although I have gotten it to barely
> work before. The question now becomes, how do I turn the mike on?
> 
> Also, the -D parameter uses the PCM, which is what the -L gives -- not
> that I know which of those numbers *is* a PCM.
> 

Did you try the commands I mentioned earlier? If not, please do so and
report what happens.

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