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PortAudio: PortAudio Tutorials
http://portaudio.com/docs/v19-doxydocs/tutorial_start.html#:~:text=Initialize%20the%20PA%20library%20and%20open%20a%20stream,the%20inputBuffer%20and%2For%20write%20data%20to%20the%20outputBuffer.
PortAudio: Opening a Stream Using Defaults
http://www.portaudio.com/docs/v19-doxydocs/open_default_stream.html
PortAudio. The next step is to open a stream, which is similar to opening a file. You can specify whether you want audio input and/or output, how many channels, the data format, sample rate, etc. Opening a ''default'' stream means opening the default input and output devices, which saves you the trouble of getting a list of devices and choosing one from the list.
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).
Portaudio: Bindings for the Portaudio portable sound library
https://docs.racket-lang.org/portaudio/index.html
Portaudio itself (both the library and this package) are sample-rate-agnostic, and appear to work just fine for different sample rates. Most of the automated tests on portaudio use the classical "red book" CD sample rate of 44.1KHz, but some Windows audio devices only support 48KHz, and this appears to work fine with Portaudio.
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: Utility Functions
http://files.portaudio.com/docs/v19-doxydocs/utility_functions.html
PortAudio Streams exist in 3 states: Active, Stopped, and Callback Stopped. If a stream is in callback stopped state, you'll need to stop it before you can start it again. If you need to query the state of a PortAudio stream, there are two functions for doing so: PaError Pa_IsStreamStopped ( PaStream *stream)
node.js - Stream Portaudio input data to Google Speech …
https://stackoverflow.com/questions/70386755/stream-portaudio-input-data-to-google-speech-to-text-or-websockets-using-golang
portaudio.Initialize() defer portaudio.Terminate() buffer2 := &bytes.Buffer{} buffer := make([]float32, samepleRate*seconds) stream, _ := portaudio.OpenDefaultStream(1, 0, samepleRate, len(buffer), func(in []float32) { for i := range buffer { buffer[i] = in[i] } }) // chk(err,0) interrupt := make(chan os.Signal, 1) signal.Notify(interrupt, os.Interrupt) u := url.URL{Scheme: …
GitHub - polyclick/naudiodon: Node.js stream bindings for ...
https://github.com/polyclick/naudiodon
Recording audio involves streaming audio data from a new instance of AudioIO configured with inOptions - which returns a Node.js Readable Stream: var fs = require ( 'fs' ) ; var portAudio = require ( '../index.js' ) ; // Create an instance of AudioIO with inOptions (defaults are as below), which will return a ReadableStream var ai = new portAudio .
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