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c++ - Record audio with PortAudio - Stack Overflow
https://stackoverflow.com/questions/55064004/record-audio-with-portaudio
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. So if you want to record input into an array; Save array to a file; Playback recorded data, here ...
PortAudio: Example programs demonstrating PortAudio …
http://portaudio.com/docs/v19-doxydocs/group__examples__src.html
Provides an example of how to post stuff to/from the audio callback using lock-free FIFOs implemented by the PA ringbuffer. Generate Pink Noise using Gardner method. Tests full duplex blocking I/O by passing input straight to output. Record input into an array; Save array to a file; Playback recorded data.
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. The Portaudio Wiki is maintained by the community of PortAudio developers. It has the most up-to …
portaudio/paex_record.c at master · PortAudio/portaudio ...
https://github.com/PortAudio/portaudio/blob/master/examples/paex_record.c
PortAudio is a cross-platform, open-source C language library for real-time audio input and output. - portaudio/paex_record.c at master · PortAudio/portaudio
PortAudio: paex_record.c File Reference
http://www.portaudio.com/docs/v19-doxydocs/paex__record_8c.html
PortAudio: paex_record.c File Reference. PortAudio. Record input into an array; Save array to a file; Playback recorded data. More... #include <stdio.h>. #include <stdlib.h>. #include " portaudio.h ". Go to the source code of this file.
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.
Python pyaudio - Recording and Playing Sound - …
https://coderslegacy.com/python/pyaudio-recording-and-playing-sound/
import pyaudio import wave chunk = 1024 # Each chunk will consist of 1024 samples sample_format = pyaudio.paInt16 # 16 bits per sample channels = 2 # Number of audio channels fs = 44100 # Record at 44100 samples per second time_in_seconds = 3 filename = "soundsample.wav" p = pyaudio.PyAudio() # Create an interface to PortAudio print('-----Now …
PyAudio: PortAudio v19 Python Bindings
https://people.csail.mit.edu/hubert/pyaudio/
""" PyAudio example: Record a few seconds of audio and save to a WAVE file. """ import pyaudio import wave CHUNK = 1024 FORMAT = pyaudio. paInt16 CHANNELS = 2 RATE = 44100 RECORD_SECONDS = 5 WAVE_OUTPUT_FILENAME = "output.wav" p = pyaudio.
PortAudio Tutorial
https://www.ee.columbia.edu/~mim/meap/paMat/portaudio_v18_1/docs/pa_tut_pc.html
Tutorial for PortAudio, 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 Tutorial Compiling for Windows (WMME or DirectSound)
PortAudio: paex_record.c Source File
http://files.portaudio.com/docs/v19-doxydocs/paex__record_8c_source.html
139 data->frameIndex += framesToCalc; 140 return finished; 141 } 142. 143 /* This routine will be called by the PortAudio engine when audio is needed. 144 ** It may be called at interrupt level on some machines so don't do anything. 145 ** that could mess up …
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