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Real time audio processing - input buffer

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2016-04-23
2016-10-15
  • John hamilton

    John hamilton - 2016-04-23

    Hello,
    I'm interested in using the pitch shifting algorithms in low latency quasi real time applications.
    I know this requires a buffer and that a buffer can be set up in linux using pipes.

    However I haven't been able to find an example. The idea is to have a live microphone and have live audio (with minimal time delay) come out of speaker.

    Can anyone point me in the right direction?

    Thanks,
    John Hamilton

     
  • oparviai

    oparviai - 2016-10-15

    Hello John,

    Apologies for delayed reply. I don't have ready example of how to use linux pipes for streaming in real-time audio from a microphone, but the FAQ gives an example of how to use pipes for processing audio from external mp3 decoder program. Perhaps that gives inspiration of how to use pipes:

    http://soundtouch.surina.net/faq.html#mp3

     

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