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PortAudio: Main Page
http://www.portaudio.com/docs/v19-doxydocs/index.html#:~:text=Overview%20PortAudio%20is%20a%20cross-platform%2C%20open-source%20C%20language,audio%20streams%20from%20your%20computer%27s%20hardware%20audio%20interfaces.
PortAudio - an Open-Source Cross-Platform Audio API
Many applications use PortAudio for Audio I/O. 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.
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) …
GitHub - PortAudio/portaudio: PortAudio is a cross ...
https://github.com/PortAudio/portaudio
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. Audio can be processed in various formats, including 32 bit floating point, and will be converted to the native format internally.
Raku Land - Audio::PortAudio
https://raku.land/cpan:JSTOWE/Audio::PortAudio
Access to audio input and output devices. Synopsis use Audio::PortAudio; my $pa = Audio::PortAudio. new; # get the default stream with no inputs, 2 output channels # for audio encoded as 32 bit floats at 44100 samplerate # with a frame buffer of 512; my $stream = $pa. open-default-stream (0, 2, Audio::PortAudio::Float32, 44100, 512); $stream. start; loop {# get …
PortAudio: Main Page
http://www.portaudio.com/docs/v19-doxydocs/index.html
Overview PortAudio is a cross-platform, open-source C language library for real-time audio input and output. The library provides functions that allow your software to acquire and output real-time audio streams from your computer's hardware audio interfaces.
PortAudio - an Open-Source Cross-Platform Audio API
http://www.portaudio.com/docs/latency.html
The audio buffers are used to prevent glitches in the audio stream. The user software writes audio into the output buffers. That audio is read by the low level audio driver or by DMA and sent to the DAC. If the computer gets busy doing something like reading the disk or redrawing the screen, then it may not have time to fill the audio buffer. The audio hardware then runs out of …
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