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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
each input/output channel set), then you wouldn't need the functions to select different input channels etc. RecordLevel and InputGain should be merged into one, as should the different output volume functions (maybe retaining master volume to adjust the global system volume). typedef void PxMixer; typedef float PxVolume; /* 0.0 (min) --> 1.0 (max) */
PortAudio - an Open-Source Cross-Platform Audio API
PortAudio provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.
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.
PortAudio: portaudio.h File Reference
http://files.portaudio.com/docs/v19-doxydocs/portaudio_8h.html
When a stream is running, PortAudio calls the stream callback periodically. The callback function is responsible for processing buffers of audio samples passed via the input and output parameters. The PortAudio stream callback runs at very high or real-time priority. It is required to consistently meet its time deadlines.
Volume control? · Issue #159 · spatialaudio/python ...
https://github.com/spatialaudio/python-sounddevice/issues/159
segalion commented on Nov 26, 2018. "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". play a wav file from python (that can ...
Audio Input Not Working - Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/audio-input-not-working/b1fdace6-37ce-4ce9-8e04-326ac9448b4f
In the Hardware & Sound category, click on Recording Audio and run that troubleshooter. Also run the Hardware & Devices Troubleshooter, and the Windows Store Apps Troubleshooter. Run System File Checker. Right Click on the Start button, then click on Command Prompt (Admin). Type sfc /scannow and hit the Enter Key.
GitHub - PortAudio/portaudio: PortAudio is a cross ...
https://github.com/PortAudio/portaudio
PortAudio is a cross-platform, open-source C language library for real-time audio input and output. - GitHub - PortAudio/portaudio: PortAudio is a cross-platform, open-source C language library for real-time audio input and output.
Configuring Audio Ports - Cantabile - Software for ...
https://www.cantabilesoftware.com/guides/configuringAudioPorts
A plugin input port maps audio signals from connecting incoming routes to the plugin's input channels. A plugin output port maps audio signals from the plugin to connected outgoing routes. An audio port consists of a set of channels and each channel has a number of assignments - each defining how an audio signal is mapped to or from the port.
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