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PortAudio: PortAudio API Overview

    http://www.portaudio.com/docs/v19-doxydocs/api_overview.html#:~:text=PortAudio%20supports%20audio%20input%20and%20output%20in%20a,the%20formats%20supported%20by%20the%20native%20audio%20API.
    none

PortAudio: portaudio.h File Reference

    http://portaudio.com/docs/v19-doxydocs/portaudio_8h.html
    paUInt8 is an unsigned 8 bit format where 128 is considered "ground" The paNonInterleaved flag indicates that audio data is passed as an array of pointers to separate buffers, one buffer for each channel. Usually, when this flag is not used, audio data is passed as a single buffer with all channels interleaved. See Also

c++ - PortAudio iterate through audio data - Stack Overflow

    https://stackoverflow.com/questions/35959523/portaudio-iterate-through-audio-data
    The incoming data is stored in the inputBuffer pointer of the callback. Depending on the inputParameters used when calling Pa_OpenStream one should be able to cast the input buffer into an array of corresponding data type (e.g. if paFloat32 is used as sample format, then the buffer can be interpreted as const float*).. It is recommended that in the callback function …

Audio::PortAudio - metacpan.org

    https://metacpan.org/pod/Audio::PortAudio
    PortAudio IO is implemented using Audio::PortAudio::Stream objects. To create a stream you need to select a host API and a device first. Audio::PortAudio host_apis my @apis = Audio::PortAudio::host_apis(); Returns a list of all available host APIs. default_host_api my $api = Audio::PortAudio::default_host_api(); Get the default host API. version

PortAudio: pa_process.h File Reference

    http://www.portaudio.com/docs/v19-doxydocs-dev/pa__process_8h.html
    Where necessary the adaption is implemented by internally buffering some input and/or output data. The buffer adation algorithm used by the buffer processor was originally implemented by Stephan Letz for the ASIO version of PortAudio, and is described in his Callback_adaption_.pdf which is included in the distribution.

PyAudio: PortAudio v19 Python Bindings

    https://people.csail.mit.edu/hubert/pyaudio/?ref=hackernoon.com
    PyAudio stream = p. open (format = p. get_format_from_width (WIDTH), channels = CHANNELS, rate = RATE, input = True, output = True, frames_per_buffer = CHUNK) print ("* recording") for i in range (0, int (RATE / CHUNK * RECORD_SECONDS)): data = stream. read (CHUNK) stream. write (data, CHUNK) print ("* done") stream. stop_stream stream. close p. …

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).

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.

PyAudio Documentation — PyAudio 0.2.11 documentation

    https://people.csail.mit.edu/hubert/pyaudio/docs/
    PyAudio # open stream (2) stream = p. open (format = p. get_format_from_width (wf. getsampwidth ()), channels = wf. getnchannels (), rate = wf. getframerate (), output = True) # read data data = wf. readframes (CHUNK) # play stream (3) while len (data) > 0: stream. write (data) data = wf. readframes (CHUNK) # stop stream (4) stream. stop_stream stream. close # close …

PortAudio - an Open-Source Cross-Platform Audio API

    http://www.portaudio.com/faq.html
    Create just one PortAudio stream. Then in the audio callback function, simply mix the two tones together by adding their samples. You will need to scale their amplitudes down so that they do not clip. In this example I generate two waveforms then mix them together with different amplitudes. I am using the paFloat32 data format.

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