~David~ wrote:
> I'm not sure about this, but the default settings in alsamixer might be to mute
> the recording devices. Check alsamixer (I think its ncurses so use a terminal)
> to see if the recording devices are turned up and not on mute.
>
Hi

Thank you for your answer. It has solved the problem. The solution is to
run the alsamixer, turns on mic, then pressing tab key to switch to the
capture menu and finally space key under mic tab. The word Capture L R
apeears under mic and that means sound from the mic can be recorded.