RF64
BWF-compatible multichannel audio file format / From Wikipedia, the free encyclopedia
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RF64 is a BWF-compatible multichannel audio file format enabling file sizes to exceed 4 GB. It has been specified by the European Broadcasting Union. It has been accepted as the ITU recommendation ITU-R BS.2088.
Internet media type | audio/vnd.wave |
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Developed by | European Broadcasting Union |
Latest release | 2.0 June 2018; 5 years ago (2018-06) |
Type of format | Audio file format |
Extended from | WAV, BWF |
Standard |
The file format is designed to meet the requirements for multichannel sound in broadcasting and audio archiving. It is based on the Microsoft RIFF/WAVE format and Wave Format Extensible for multichannel parameters. Additions are made to the basic specification to allow for more than 4 GB file sizes when needed (the new maximum filesize is now approximately 16 exabytes). The format is transparent to the BWF and all its supplements and chunks. RF64 WAV files typically use the .wav file extension.