Waveform Audio File Format (WAVE, or WAV due to its filename extension; pronounced "wave" or /ˈwæv/ WAV[6])[3][7][8][9] is an audio file format standard, developed by Microsoft and IBM, for storing an audio bitstream on PCs. It is an application of the Resource Interchange File Format (RIFF) bitstream format method for storing data in "chunks", and thus is also close to the 8SVX and the AIFF format used on Amiga and Macintosh computers, respectively. It is the main format used on Microsoft Windows systems for raw and typically uncompressed audio.