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| Name | WAV | CAF |
| Full name | WAV - Waveform Audio File Format | Core Audio Format |
| File extension | .wav .wave | .caf |
| MIME type | audio/vnd.wave, audio/wav, audio/wave, audio/x-wav | audio/x-caf |
| Developed by | Microsoft & IBM | Apple Inc |
| Type of format | audio file format, container format | Music File |
| Description | Waveform Audio File Format is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs. It is the main format used on Windows systems for raw and typically uncompressed audio. The usual bitstream encoding is the linear pulse-code modulation (LPCM) format. | The Core Audio Format is a container for storing and manipulating digital audio data. CAF provides high performance and flexibility and is scalable to future high resolution audio recording, editing, and playback. CAF files have a number of advantages over other standard audio file formats: Unrestricted file size, Safe and efficient recording, Support for many data formats, Support for data dependencies. The Core Audio Format was essentially developed to free audio files of the limitations of older formats. |
| Technical details | 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. Audio in WAV files can be encoded in a variety of audio coding formats, such as GSM or MP3, to reduce the file size. | CAF files use 64-bit file offsets, freeing it from the file size limitations of older formats. CAF files begin with a file header which is used to determine the file type and CAF version, this is then followed by a series of chunks. The only types of chunk data required for CAF files are Audio data chunk and the Audio description chunk, audio is stored in the audio data chunk and the various pieces of metadata are stored in the Audio Description chunk. |
| Associated programs | ALLPlayer, VLC media player, Media Player Classic, MPlayer, RealPlayer, Winamp. | Apple QuickTime, VLC media Player |
| Wiki | https://en.wikipedia.org/wiki/WAV | https://en.wikipedia.org/wiki/Core_Audio_Format |