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This metadata is stored as extension chunks in a standard digital audio WAV file. BWF is the recommended format for digitizing sound files by the International Association of Sound and Audiovisual Archives. [1] Files conforming to the Broadcast Wave specification have names ending with the filename extension.WAV.
RF64 is a BWF-compatible multichannel audio file format enabling file sizes to exceed 4 GiB. It has been specified by the European Broadcasting Union. It has been accepted as the ITU recommendation ITU-R BS.2088. The file format is designed to meet the requirements for multichannel sound in broadcasting and audio archiving.
The WAV file is an instance of a Resource Interchange File Format (RIFF) defined by IBM and Microsoft. [3] The RIFF format acts as a wrapper for various audio coding formats. Though a WAV file can contain compressed audio, the most common WAV audio format is uncompressed audio in the linear pulse-code modulation (LPCM) format.
For example, MP3 and AAC dominate the personal audio market in terms of market share, though many other formats are comparably well suited to fill this role from a purely technical standpoint. First public release date is first of either specification publishing or source releasing, or in the case of closed-specification, closed-source codecs ...
Windows Media Audio, AU, Monkey's Audio, VOX, mat, snd, voc Harrison Mixbus: No No Yes Yes Unknown Unknown Yes Unknown No Yes AIFC, NeXT AU/SND, Headerless RAW, PAF, IFF/SVX, Sphere Nist WAV, IRCAM SF, VOC, W64, MAT4, MAT5, PVF, Fasttracker 2 XI, HMM Tool Kit HTK, CAF, SD2 OMF AAF MIDI WAV MP3 AAC Ogg REX2 AIFF FLAC Others Jokosher: No No ...
Some are combinations of common container formats and audio and video coding profiles, such as AVCHD and DivX formats. Although sometimes compared to DivX products, Xvid is neither a container format nor a video format, it is a software library that encodes video using specific coding profiles of the common MPEG-4 ASP video format.
Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.
Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed audio in media files and it is also the standard for CD-DA; note that in computers, LPCM is usually stored in container formats such as WAV, AIFF, or AU, or as raw audio format, although not technically necessary.