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(C++) wav

wav is a music file format.

A WAV file consists out of 3 parts with in total 14 different items:

• The RIFF chunk descriptor
  • The chunk ID, for a WAV this is 'RIFF' (four characters)
  • The chunk size (integer, four bytes, little-endian)
  • Format, for a WAV this is 'WAVE'. (four characters)
• The fmt sub-chunk
  • Sub-chunk 1 ID, this will be 'fmt  ' (yes, the fourth character is a square)(four characters)
  • Sub-chunk 1 size (integer, four bytes, little-endian)
  • Audio format (two bytes, little-endian)
  • Number of channels (integer, two bytes, little-endian)
  • Sample rate (integer, four bytes, little-endian)
  • Byte rate (integer, four bytes, little-endian)
  • Block align (integer, two bytes, little-endian)
  • Bits per sample (integer, two bytes, little-endian)
• The data sub-chunk
  • Sub-chunk 2 ID, this will be 'data' (four characters)
  • Sub-chunk 2 size (integer, four bytes, little-endian)
  • Audio data (four bytes, little-endian)

External links

• Darkoman's CodeProject article on a wave class

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