Microphone Problem

[Waleed Hamra]

On 05/18/2011 12:23 PM, Frans Ketelaars wrote:
> On Wed, 18 May 2011 04:53:39 +0300, Waleed Hamra wrote:
> 
>> i'm having a very weird problem.
>> i have never thought of using my microphone before, but this week, i
>> decided to give it a try.
>> after some fiddling with alsamixer, i managed to see what controls i
>> need to control its volume, and what levels are acceptable between high
>> enough volume, and not too high to cause nasty feedback loops. so
>> basically, now when i speak into the microphone, i hear my sound coming
>> from the speakers. i thought all is fine... but alas... no NONE of the
>> programs i tried managed to detect the faintest of sounds. i tried
>> skype, i tried audacity, i tried arecorder, even ran virtualbox and
>> checked Windows' sound recorder, nothing, they all hear nothing, yet...
>> i am hearing myself during all the tests, on the speakers... this is
>> really really confusing.
>> anyone has any ideas?
> 
> Note that in order to hear yourself from the microphone the audio 
> hardware only has to route the analog signal from the microphone to the 
> analog output.
> 
> To record the audio to harddisk and such the analog signal from the 
> microphone (also) must be routed to an analog to digital converter. 
> 
> ALSA uses terms like 'capture source' and 'capture volume' to indicate 
> which analog signal at which volume should be sent to the A/D converter.
> 
> In alsamixer F4 lets you see the capture controls. See 'man alsamixer'.
> 
> Good luck!
> 
>     -Frans
> 
> 

yes, i do see them, i have "Capture" and "Capture 1", both are checked
to capture, and with max level. i have something called "digital", also
maxed. there's 2 "Input Source" things, they are set to "Mic", the other
option is "Front Mic", but i don't use that.

-- 
Waleed K. Hamra
Manager of Hamra Information Systems

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