Version History

0.4.1 (2020-09-26):

• CallbackFlags attributes are now writable

0.4.0 (2020-07-18):

• Drop support for Python 2.x
• Fix memory issues in play(), rec() and playrec()
• Example application play_stream.py

0.3.15 (2020-03-18):

• This will be the last release supporting Python 2.x!

0.3.14 (2019-09-25):

• Examples play_sine.py and rec_gui.py
• Redirect stderr only during initialization

0.3.13 (2019-02-27):

• Examples asyncio_coroutines.py and asyncio_generators.py

0.3.12 (2018-09-02):

• Support for the dylib from Anaconda

0.3.11 (2018-05-07):

• Support for the DLL from conda-forge

0.3.10 (2017-12-22):

• Change the way how the PortAudio library is located

0.3.9 (2017-10-25):

• Add Stream.closed
• Switch CFFI usage to “out-of-line ABI” mode

0.3.8 (2017-07-11):

• Add more ignore_errors arguments
• Add PortAudioError.args
• Add CoreAudioSettings

0.3.7 (2017-02-16):

• Add get_stream()
• Support for CData function pointers as callbacks

0.3.6 (2016-12-19):

• Example application play_long_file.py

0.3.5 (2016-09-12):

• Add extra_settings option for host-API-specific stream settings
• Add AsioSettings and WasapiSettings

0.3.4 (2016-08-05):

• Example application rec_unlimited.py

0.3.3 (2016-04-11):

• Add loop argument to play()

0.3.2 (2016-03-16):

• mapping=[1] works now on all host APIs
• Example application plot_input.py showing the live microphone signal(s)
• Device substrings are now allowed in query_devices()

0.3.1 (2016-01-04):

• Add check_input_settings() and check_output_settings()
• Send PortAudio output to /dev/null (on Linux and OSX)

0.3.0 (2015-10-28):

• Remove print_devices(), query_devices() can be used instead, since it now returns a DeviceList object.

0.2.2 (2015-10-21):

• Devices can now be selected by substrings of device name and host API name

0.2.1 (2015-10-08):

• Example applications wire.py (based on PortAudio’s patest_wire.c) and spectrogram.py (based on code by Mauris Van Hauwe)

0.2.0 (2015-07-03):

• Support for wheels including a dylib for Mac OS X and DLLs for Windows. The code for creating the wheels is largely taken from PySoundFile.
• Remove logging (this seemed too intrusive)
• Return callback status from wait() and add the new function get_status()
• playrec(): Rename the arguments input_channels and input_dtype to channels and dtype, respectively

0.1.0 (2015-06-20):

Initial release. Some ideas are taken from PySoundCard. Thanks to Bastian Bechtold for many fruitful discussions during the development of several features which python-sounddevice inherited from there.