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jvoorhis/ruby-portaudio: Ruby bindings for PortAudio - GitHub
https://github.com/jvoorhis/ruby-portaudio#:~:text=PortAudio%20is%20a%20cross-%20platform%20interface%20to%20your,versions%20will%20also%20support%20reading%20from%20a%20buffer%29.
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: File List - an Open-Source Cross-Platform Audio API
http://files.portaudio.com/docs/v19-doxydocs/files.html
PortAudio: File List. Here is a list of all documented files with brief descriptions: pa_asio.h. ASIO-specific PortAudio API extension header file. pa_devs.c. List available devices, including device information. pa_fuzz.c. Distort input like a fuzz box. pa_jack.h.
c++ - Blocking I/O in portaudio - Stack Overflow
https://stackoverflow.com/questions/13183279/blocking-i-o-in-portaudio
There are two possibilities: 1. the pitch is not what you think it is, and 2. your FFT pitch detection is wrong. Without code, I can only guess, but since EVERYBODY has trouble with #2 (judging by questions on SO), I'm guessing you are having trouble with at least that.
PortAudio creating unnecessary threads for blocking read ...
https://github.com/PortAudio/portaudio/issues/471
PortAudio offers two methods for communicating audio data between an open Stream and your Application: (1) an asynchronous callback interface, where PortAudio calls a user defined callback function when new audio data is available or required, and (2) synchronous read and write functions which can be used in a blocking or non-blocking manner.
Related Pages - PortAudio
http://files.portaudio.com/docs/v19-doxydocs/pages.html
PortAudio API Overview PortAudio License Blocking Read/Write Functions PortAudio on Windows, OS X or Linux via. CMake Building Portaudio for Linux Building Portaudio for Mac OS X Building PortAudio for Windows using Microsoft Visual Studio Building Portaudio for Windows with ASIO support using MSVC Building Portaudio for Windows with MinGW
c - Confused about Passing user data to PortAudio ...
https://stackoverflow.com/questions/60458785/confused-about-passing-user-data-to-portaudio-callbacks
Pa_OpenStream ( // open paStream object &audioStream, // portaudio stream object NULL, // input params &outputParameters, // output params SAMPLING_RATE, // SampleRate FRAME_BLOCK_LEN, // frames per buffer paNoFlag, // set no Flag audio_callback, // callbak function address data ); ... Share Improve this answer edited Feb 28 2020 at 20:48
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.
PortAudio: Portable Audio Processing for All Platforms ...
https://www.developer.com/microsoft/c-sharp/portaudio-portable-audio-processing-for-all-platforms/
This article examines only the non-blocking API. A typical non-blocking PortAudio application requires the following steps: Write a callback function that PortAudio (PA) will call when audio processing is needed. Initialize the PA library and open a stream for audio I/O.
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