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windows - Set audio input level using portaudio - Stack ...

    https://stackoverflow.com/questions/22562741/set-audio-input-level-using-portaudio
    The code grabs audio from desktop mic and has ability to configure input volume. It worked perfectly under windows xp, but tuning audio input level is broken under windows 7, changing the parameter has no effect on output audio stream. Code do the following to adjust volume. mp_mixer = Px_OpenMixer (mp_inputStream, m_dev_num); if (mp_mixer) …

How to set the volume on a PortAudio stream

    https://portaudio.music.columbia.narkive.com/tfeGquxT/how-to-set-the-volume-on-a-portaudio-stream
    What is the best way to set the volume on a PortAudio stream? I've read about PortMixer, but I wasn't able to find its website. What method is best? Obviously I would like something that works cross platform. Eric Wachsmann 2006-08-03 20:21:02 UTC. Permalink.

PortAudio - an Open-Source Cross-Platform Audio API

    http://portaudio.com/
    PortAudio is a free, cross-platform, open-source, audio I/O library. It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms including Windows, Macintosh OS X, and Unix (OSS/ALSA). It is intended to promote the exchange of audio software between developers on different platforms.

PortAudio - an Open-Source Cross-Platform Audio API

    http://www.portaudio.com/docs.html
    PortAudio is a cross platform, open-source, audio I/O library. It provides a very simple API for recording and/or playing sound using a simple callback function.

GitHub - PortAudio/portaudio: PortAudio is a cross ...

    https://github.com/PortAudio/portaudio
    PortAudio - portable audio I/O library. PortAudio is a portable audio I/O library designed for cross-platform support of audio. It uses either a callback mechanism to request audio processing, or blocking read/write calls to buffer data between the native audio subsystem and the client.

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