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python - Open audio with callback using ALSA - Stack …
https://stackoverflow.com/questions/28999267/open-audio-with-callback-using-alsa
Is it possible in Python, using ALSA, to access the audio hardware for playback, with a callback function: def audiocallback (): # create some audio and return a buffer of 1024 samples (~23 ms @ 44.1khz) # that is going to be played on the device return buffer openaudio (deviceid=1, type=OUTPUT, freq=44100, buffersize=1024, callback ...
pyalsaaudio · PyPI - The Python Package Index
https://pypi.org/project/pyalsaaudio/
This package contains wrappers for accessing the ALSA API from Python. It is fairly complete for PCM devices and Mixer access. Project details. Project links. Homepage. Statistics. View statistics for this project via Libraries.io, or by using our public dataset on Google BigQuery. Meta. License: Python Software Foundation License (PSF)
python - Reading audio data from an ALSA buffer to a …
https://stackoverflow.com/questions/39711867/reading-audio-data-from-an-alsa-buffer-to-a-numpy-array
hexdump -d displays the contents as unsigned 16bit integers, whereas you are converting it to a signed int16 numpy array.. Try converting to a dtype of 'u2' (or equivalently, np.uint16) and you'll see that the output matches that of hexdump:. print(np.array([-7, -9, -10, -6, -2], dtype=np.uint16)) # [65529 65527 65526 65530 65534]
Python Examples of alsaaudio.Mixer
https://www.programcreek.com/python/example/91452/alsaaudio.Mixer
The following are 14 code examples for showing how to use alsaaudio.Mixer().These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by …
Using aubio and alsaaudio with Python | Chris Baume
https://chrisbaume.wordpress.com/2013/02/09/aubio-alsaaudio/
The code used in this post no longer works. For an up-to-date example, please see demo_alsa.py. Aubio is an audio analysis library which contains implementations of some useful algorithms, including pitch detection. It can be used with Python (through SWIG), but the documentation is very light and there doesn't appear to be any Python-specific instructions.
GitHub - larsimmisch/pyalsaaudio: ALSA wrappers for …
https://github.com/larsimmisch/pyalsaaudio/
Manual installation. Note: the wrappers need a kernel with ALSA support, and the ALSA library and headers. The installation of these varies from distribution to distribution. On Debian or Ubuntu, make sure to install libasound2-dev.On Arch, install alsa-lib.When in doubt, search your distribution for a package that contains libasound.so and asoundlib.h. ...
Alsa mute/unmute audio - Python · GitHub
https://gist.github.com/6a655120196a9a105e38
alsa-mute-unmute.py This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Play sound in Python - Python Tutorial
https://pythonbasics.org/python-play-sound/
Play sound in Python. playsound module. The playsound module is a cross platform module that can play audio files. This doesn’t have any dependencies, simply install with pip in your virtualenv and run! 1. 2. from playsound import playsound. playsound ( 'audio.mp3') Implementation is different on platforms.
simpleaudio · PyPI - The Python Package Index
https://pypi.org/project/simpleaudio/
Simple, asynchronous audio playback for Python 3. The simplaudio package provides cross-platform, dependency-free audio playback capability for Python 3 on OSX, Windows, and Linux.
python-alsa-midi – Python interface to ALSA MIDI Sequencer
https://python-alsa-midi.readthedocs.io/en/latest/overview.html
python-alsa-midi – Python ... On a typical Linux system it is probably already installed for some other audio or MIDI software. python-alsa-midi package may be installed with pip: ... import time from alsa_midi import SequencerClient, READ_PORT, NoteOnEvent, NoteOffEvent client = SequencerClient ...
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