Thank you, Charles.
But I need to remove DC offset in realtime, for example, when I make calls
with Google Voice. So, is there a filter that can be connected with ALSA
audio input and generates output with no DC offset?
Thanks again.
--
Tao
On Sun, Nov 13, 2011 at 11:47 AM, Charles Cazabon <
charlesc-alsa-u...@pyropus.ca> wrote:
> Chen Tao <pro...@gmail.com> wrote:
> >
> > My sound card generates severe DC offset in recorded audio signal. Is
> there
> > a way to remove this offset from audio input, for example, using a
> > equalizer or filter?
>
> Yes, any audio-editing program (Audacity, Ardour, etc) will have a
> function/filter for removing DC offset.
>
> Charles
> --
> ------------------------------------------------------------------
> Charles Cazabon <charlesc-alsa-u...@pyropus.ca>
> Software, consulting, and services available at http://pyropus.ca/
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>
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