786 Waveform Audio (WAVEFORMATEXTENSIBLE) WAVE Audio Waveform Audio (WAVEFORMATEXTENSION) is an extended version of the Waveform Audio file format, and was developed by Microsoft. It is related to the Waveform Audio (WAVEFORMATEX) format, but is an even more extended version. Text Little-endian (Intel) 1 Digital Preservation Department / The National Archives 01 Feb 2007 25 Aug 2022 audio/x-wav MIME fmt/143 PUID wav File extension wave File extension 608 Waveform Audio (WAVEFORMATEXTENSIBLE) RIFF header, WAVE ID, Format chunk, chunk length GTE 40, wformat Tag = decimal 65534 = 0xFEFF and Data chunk 1 Absolute from BOF 0 Big-endian 52494646{4}57415645666D7420{4}FEFF{38-*}64617461 Has lower priority than 656 Broadcast WAVE Has lower priority than 735 Broadcast WAVE Has lower priority than 1314 Broadcast WAVE Has lower priority than 1508 Broadcast WAVE Has lower priority than 1509 Broadcast WAVE Has lower priority than 1510 Broadcast WAVE Has priority over 654 Waveform Audio Has priority over 785 Waveform Audio (WAVEFORMATEX) Is subsequent version of 785 Waveform Audio (WAVEFORMATEX) Is subtype of 654 Waveform Audio