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CHANGELOG.md

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v0.20.0

  • Add new parameter gain_during_overlay to pydub.AudioSegment.overlay which allows users to adjust the volume of the target AudioSegment during the portion of the segment which is overlaid with the additional AudioSegment.
  • pydub.playback.play() No longer displays the (very verbose) playback "banner" when using ffplay
  • Fix a confusing error message when using invalid crossfade durations (issue #193)

v0.19.0

  • Allow codec and ffmpeg/avconv parameters to be set in the pydub.AudioSegment.from_file() for more control while decoding audio files
  • Allow AudioSegment objects with more than two channels to be split using pydub.AudioSegment().split_to_mono()
  • Add support for inverting the phase of only one channel in a multi-channel pydub.AudioSegment object
  • Fix a bug with the latest avprobe that broke pydub.utils.mediainfo()
  • Add tests for webm encoding/decoding

v0.18.0

  • Add a new constructor: pydub.AudioSegment.from_mono_audiosegments() which allows users to create a multi-channel audiosegment out of multiple mono ones.
  • Refactor pydub.AudioSegment._sync() to support an arbitrary number of audiosegment arguments.

v0.17.0

  • Add the ability to add a cover image to MP3 exports via the cover keyword argument to pydub.AudioSegment().export()
  • Add pydub.AudioSegment().get_dc_offset() and pydub.AudioSegment().remove_dc_offset() which allow detection and removal of DC offset in audio files.
  • Minor fixes for windows users

v0.16.7

  • Make pydub.AudioSegment()._spawn() accept array.array instances containing audio samples

v0.16.6

  • Make pydub.AudioSegment() objects playable inline in ipython notebooks.
  • Add scipy powered high pass, low pass, and band pass filters, which can be high order filters (they take order as a keyword argument). They are used for pydub.AudioSegment().high_pass_filter(), pydub.AudioSegment().low_pass_filter(), pydub.AudioSegment().band_pass_filter() when the pydub.scipy_effects module is imported.
  • Fix minor bug in pydub.silence.detect_silence()

v0.16.5

  • Update pydub.AudioSegment()._spawn() method to allow user subclassing of pydub.AudioSegment
  • Add a workaround for incorrect duration reporting of some mp3 files on macOS

v0.16.4

  • Add support for radd (basically, allow sum() to operate on an iterable of pydub.AudioSegment() objects)
  • Fix bug in 24-bit wav support (understatement. It didn't work right at all the first time)

v0.16.3

  • Add support for python 3.5 (overstatement. We just added python 3.5 to CI and it worked 😄)
  • Add native support for 24-bit wav files (ffmpeg/avconv not required)

v0.16.2

  • Fix bug where you couldn't directly instantiate pydub.AudioSegment with bytes data in python 3

v0.16.1

  • pydub will use any ffmpeg/avconv binary that's in the current directory (as reported by os.getcwd()) before searching for a system install

v0.16.0

  • Make it easier to instantiate pydub.AudioSegment() directly when creating audio segments from raw audio data (without having to write it to a file first)
  • Add pydub.AudioSegment().get_array_of_samples() method which returns the samples which make up an audio segment (you should usually prefer this over pydub.AudioSegment().raw_data)
  • Add pydub.AudioSegment().raw_data property which returns the raw audio data for an audio segment as a bytes (python 3) or a bytestring (python 3)
  • Allow users to specify frame rate in pydub.AudioSegment.silent() constructor

v0.15.0

  • Add support for RAW audio (basically WAV format, but without wave headers)
  • Add a new exception pydub.exceptions.CouldntDecodeError to indicate a failure of ffmpeg/avconv to decode a file (as indicated by ffmpeg/avconv exit code)

v0.14.2

  • Fix a bug in python 3.4 which failed to read wave files with no audio data (should have been audio segments with a duration of 0 ms)

v0.14.1

  • Fix a bug in pydub.utils.mediainfo() that caused inputs containing unescaped characters to raise a runtime error (inputs are not supposed to require escaping)

v0.14.0

  • Rename pydub.AudioSegment().set_gain() to pydub.AudioSegment().apply_gain_stereo() to better reflect it's place in the world (as a counterpart to pydub.AudioSegment().apply_gain())

v0.13.0

  • Add pydub.AudioSegment().pan() which returns a new stereo audio segment panned left/right as specified.

v0.12.0

  • Add a logger, "pydub.converter" which logs the ffmpeg commands being run by pydub.
  • Add pydub.AudioSegment().split_to_mono() method which returns a list of mono audio segments. One for each channel in the original audio segment.
  • Fix a bug in pydub.silence.detect_silence() which caused the function to break when a silent audio segment was equal in length to the minimum silence length. It should report a single span of silence covering the whole silent audio segment. Now it does.
  • Fix a bug where uncommon wav formats (those not supported by the stdlib wave module) would throw an exception rather than converting to a more common format via ffmpeg/avconv

v0.11.0

  • Add pydub.AudioSegment().max_dBFS which reports the loudness (in dBFS) of the loudest point (i.e., highest amplitude sample) of an audio segment

v0.10.0

  • Overhaul Documentation
  • Improve performance of pydub.AudioSegment().overlay()
  • Add pydub.AudioSegment().invert_phase() which (shocker) inverts the phase of an audio segment
  • Fix a type error in pydub.AudioSegment.get_sample_slice()

v0.9.5

  • Add pydub.generators module containing simple signal generation functions (white noise, sine, square wave, etc)
  • Add a loops keyword argument to pydub.AudioSegment().overlay() which allows users to specify that the overlaid audio should be repeated (i.e., looped) a certain number of times, or indefinitely

0.9.4

  • Fix a bug in db_to_float() where all values were off by a factor of 2

0.9.3

  • Allow users to set the location of their converter by setting pydub.AudioSegment.converter = "/path/to/ffmpeg" and added a shim to support the old method of assigning to pydub.AudioSegment.ffmpeg (which is deprecated now that we support avconv)

v0.9.2

  • Add support for Python 3.4
  • Audio files opened with format "wave" are treated as "wav" and "m4a" are treated as "mp4"
  • Add pydub.silence module with simple utilities for detecting and removing silence.
  • Fix a bug affecting auto-detection of ffmpeg/avconv on windows.
  • Fix a bug that caused pydub to only work when ffmpeg/avconv is present (it should be able to work with WAV data without any dependencies)

v0.9.1

  • Add a runtime warning when ffmpeg/avconv cannot be found to aid debugging

v0.9.0

  • Added support for pypy (by reimplementing audioop in python). Also, we contributed our implementation to the pypy project, so that's 💯
  • Add support for avconv as an alternative to ffmpeg
  • Add a new helper module pydub.playback which allows you to quickly listen to an audio segment using ffplay (or avplay)
  • Add new function pydub.utils.mediainfo('/path/to/audio/file.ext') which reports back the results of ffprobe (or avprobe) including codec, bitrate, channels, etc