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c++ - What is a sample format? - Stack Overflow
https://stackoverflow.com/questions/47961954/what-is-a-sample-format#:~:text=PortAudio%20provides%20samples%20in%20raw%20PCM%20format.%20That,is%20a%20floating-point%20value%20from%20-1.0%20to%201.0.
Well Defined Sample Conversion Semantics - PortAudio
http://portaudio.com/docs/proposals/022-WellDefinedSampleConversionSemantics.html
The PortAudio V19 conversion infrastructure includes generalised format conversion code which implementations use to convert between all supported sample formats (linear signed and unsigned 8 bit, signed 16, 24 and 32 bit, and 32 bit floating point). The client may also choose to have samples clipped and/or dithered during the conversion process.
PortAudio: portaudio.h File Reference
http://portaudio.com/docs/v19-doxydocs/portaudio_8h.html
A type used to specify one or more sample formats. Each value indicates a possible format for sound data passed to and from the stream callback, Pa_ReadStream and Pa_WriteStream. The standard formats paFloat32, paInt16, paInt32, paInt24, paInt8 and aUInt8 are usually implemented by all implementations.
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. file. paex_pink.c. Generate Pink Noise using Gardner method. file. paex_read_write_wire.c. Tests full duplex blocking I/O by passing input straight to …
Audio::PortAudio - metacpan.org
https://metacpan.org/pod/Audio::PortAudio
PortAudio provides direct access to the audio inputs and outputs using raw sample data at a fixed sample rate. The PortAudio library is available for many platforms including Windows, Macintosh (8,9,X), Unix / Linux (OSS, ALSA & JACK), SGI, and BeOS.
c++ - What is a sample format? - Stack Overflow
https://stackoverflow.com/questions/47961954/what-is-a-sample-format
PortAudio provides samples in raw PCM format. That means each sample is an amplitude to be given to the DAC (digital-to-analog converter) in your sound card. For paInt16, this is a value from -32768 to 32767. For paFloat32, this is a floating-point value from -1.0 to 1.0.
CL-PortAudio references - GitHub Pages
https://filonenko-mikhail.github.io/cl-portaudio/
PortAudio supports audio input and output in a variety of sample formats: 8, 16, 24 and 32 bit integer formats and 32 bit floating point, irrespective …
PortAudio: pa_process.h File Reference
http://www.portaudio.com/docs/v19-doxydocs-dev/pa__process_8h.html
Format of host input samples. This parameter is ignored for output-only streams. See note about host buffer interleave below. outputChannelCount: The number of output channels as passed to Pa_OpenStream or 0 for an input-only stream. userOutputSampleFormat: Format of user output samples, as passed to Pa_OpenStream.
PyAudio Documentation — PyAudio 0.2.11 documentation
https://people.csail.mit.edu/hubert/pyaudio/docs/
Returns PortAudio version as a text string. Return type: string pyaudio.get_sample_size(format) ¶ Returns the size (in bytes) for the specified sample format. pyaudio.paAL = 9 ¶ Open Audio Library pyaudio.paALSA = 8 ¶ Advanced Linux Sound Architecture (Linux only) pyaudio.paASIO = 3 ¶ Steinberg Audio Stream Input/Output pyaudio.paAbort = 2 ¶
Python pyaudio - Recording and Playing Sound - CodersLegacy
https://coderslegacy.com/python/pyaudio-recording-and-playing-sound/
sample_format = pyaudio.paInt16 channels = 2 fs = 44100 time_in_seconds = 3 filename = "soundsample.wav" p = pyaudio.PyAudio () print('-----Now Recording-----') stream = p.open(format=sample_format, channels = channels, rate = fs, frames_per_buffer = chunk, input = True) frames = [] for i in range(0, int(fs / chunk * time_in_seconds)):
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