[Libav-user] Acoustic Echo Cancellation (AEC) in ffmpeg

[Paul B Mahol]

Hi,

See anlms filter.

On Mon, Oct 19, 2020 at 3:06 PM <
sebastian.wichmann at karlsruhe-it-solutions.com> wrote:

> Hello everyone,
>
> At the moment I am using portaudio to record the microphone on
> windows/mac, and its working like a charm.
>
> Recently I noticed that there is a big echo while being in  a zoom call
> and the audio is played via speaker. I only noticed it on MacOS, I am not
> sure if it also happens on Windows/ Linux but this isn’t the point.
>
>
>
> At the moment I’m trying to get the project to work with ffmpeg instead of
> portaudio. But I’m not sure if this is the right move.
>
> Are there any functions in ffmpeg or compatible libraries to perform AEC?
> The only library I am a ware of that is capable of AEC is webRTC from
> google.
>
>
>
> Best regards
> Sebastian
>
>
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