2020-10-18 07:14:45 +00:00
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---
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layout: page
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title: libsndfile: Supported formats
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---
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# libsndfile : Supported formats
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The following table lists the file formats and encodings that libsndfile can
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read and write. The file formats are arranged across the top and encodings along
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the left edge.
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{:.formats-table}
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| | Microsoft WAV | SGI / Apple AIFF / AIFC |Sun / DEC / NeXT AU / SND | Headerless RAW | Paris Audio File PAF | Commodore Amiga IFF / SVX | Sphere Nist WAV | IRCAM SF | Creative VOC | Soundforge W64 | GNU Octave 2.0 MAT4 | GNU Octave 2.1 MAT5 | Portable Voice Format PVF | Fasttracker 2 XI | HMM Tool Kit HTK | Apple CAF | Sound Designer II SD2 | Free Lossless Audio Codec FLAC |
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|:-------------------|:-------------:|:-----------------------:|:------------------------:|:--------------:|:--------------------:|:-------------------------:|:---------------:|:--------:|:------------:|:--------------:|:-------------------:|:-------------------:|:-------------------------:|:----------------:|:----------------:|:---------:|:---------------------:|:------------------------------:|
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| Unsigned 8 bit PCM | R/W | R/W | | R/W | | | | | R/W | R/W | | R/W | | | | | | |
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| Signed 8 bit PCM | | R/W | R/W | R/W | R/W | R/W | R/W | | | | | | R/W | | | R/W | R/W | R/W |
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| Signed 16 bit PCM | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | R/W | | R/W | R/W | R/W | R/W |
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| Signed 24 bit PCM | R/W | R/W | R/W | R/W | R/W | | R/W | | | R/W | | | | | | R/W | R/W | R/W |
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| Signed 32 bit PCM | R/W | R/W | R/W | R/W | | | R/W | R/W | | R/W | R/W | R/W | R/W | | | R/W | | |
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| 32 bit float | R/W | R/W | R/W | R/W | | | | R/W | | R/W | R/W | R/W | | | | R/W | | |
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| 64 bit double | R/W | R/W | R/W | R/W | | | | | | R/W | R/W | R/W | | | | R/W | | |
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| u-law encoding | R/W | R/W | R/W | R/W | | | R/W | R/W | R/W | R/W | | | | | | R/W | | |
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| A-law encoding | R/W | R/W | R/W | R/W | | | R/W | R/W | R/W | R/W | | | | | | R/W | | |
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| IMA ADPCM | R/W | | | | | | | | | R/W | | | | | | | | |
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| MS ADPCM | R/W | | | | | | | | | R/W | | | | | | | | |
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| GSM 6.10 | R/W | R/W | | R/W | | | | | | R/W | | | | | | | | |
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| G721 ADPCM 32kbps | R/W | | R/W | | | | | | | | | | | | | | | |
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| G723 ADPCM 24kbps | | | R/W | | | | | | | | | | | | | | | |
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| G723 ADPCM 40kbps | | | R/W | | | | | | | | | | | | | | | |
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| 12 bit DWVW | | R/W | | R/W | | | | | | | | | | | | | | |
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| 16 bit DWVW | | R/W | | R/W | | | | | | | | | | | | | | |
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| 24 bit DWVW | | R/W | | R/W | | | | | | | | | | | | | | |
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| Ok Dialogic ADPCM | | | | R/W | | | | | | | | | | | | | | |
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| 8 bit DPCM | | | | | | | | | | | | | | R/W | | | | |
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| 16 bit DPCM | | | | | | | | | | | | | | R/W | | | | |
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From version 1.0.18, libsndfile also reads and writes
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[FLAC](https://xiph.org/flac/) and [Ogg/Vorbis](https://xiph.org/vorbis/).
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From version 1.0.29, libsndfile can read and write
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[Ogg/Opus](https://opus-codec.org/).
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2021-03-26 07:10:48 +00:00
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From version 1.1.0, libsndfile can read and write MP3.
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2020-10-18 07:14:45 +00:00
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Some of the file formats I am also interested in adding are:
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- Kurzweil K2000 sampler files.
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- Ogg Speex.
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Other file formats may also be added on request.
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If you are interested in how to add a new format to a libsndfile, you may find
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this [FAQ](new_file_type_howto.md) helpful.
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