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I'm using ALSA. The volume of my mic is so low that even 100% of capture volume is not enough in a skype conversation. Is there any way to amplify the capture volume beyond 100%?

I cannot use pulseaudio. Because my computer is very old, using pulseaudio with skype will consume most of the CPU resources so that the quality of video chat become unacceptable.

Thank you very much!

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