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c - Controlling audio volume in real time - Stack Overflow
https://stackoverflow.com/questions/15776390/controlling-audio-volume-in-real-time#:~:text=You%20can%20manipulate%20the%20amplitude%20of%20a%20PCM,SAMPLES_PER_BUFFER%3B%20%2B%2Bi%29%20%7B%20buffer%20%5Bi%5D%20%2A%3D%20volumeMultiplier%3B%20%7D
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
Yes, it might make sense to integrate mixer/volume control into PA, if the various maintainers of the platform implementations don't mind supporting it. Generally it ought to be pretty easy to implement mixer control, just a few functions (if we simplify PortMixer API from what it is now). The API looks like this, it could probably be ...
windows - Set audio input level using portaudio - Stack ...
https://stackoverflow.com/questions/22562741/set-audio-input-level-using-portaudio
Code do the following to adjust volume. mp_mixer = Px_OpenMixer (mp_inputStream, m_dev_num); if (mp_mixer) Px_SetInputVolume (mp_mixer, m_volume); I have discovered, that underling winmme functions does not work in Windows Vista and newer.
PortAudio - an Open-Source Cross-Platform Audio API
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.
Volume control? · Issue #159 · spatialaudio/python ...
https://github.com/spatialaudio/python-sounddevice/issues/159
"python sound control" is very very fragmented over lots of pieces OS-dependant packages. At my eyes, this package seems one of the most promissing because of portaudio related, but lacks one very important thing (that is missed in portaudio too): "the volume control".
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.
How to Enable Mac Volume Control for HDMI or …
https://lifehacker.com/how-to-enable-mac-volume-control-for-hdmi-or-displaypor-1793607216
If you connect a Mac to an external monitor using HDMI or DisplayPort, you’ll often lose the volume controls on your keyboard. Depending on …
Audio support · Wiki · PipeWire / pipewire · GitLab
https://gitlab.freedesktop.org/pipewire/pipewire/-/wikis/Audio-support
Nodes are usually wrapped in an adapter object that can do conversions (sample format, samplerate, channels conversion and mixing as well as volume/mute control). An adapter can also dynamically adjust the samplerate to match a reference. Nodes with an adapter are configured by setting an internal format and a port configuration.
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