The Sustainability of Digital Formats site at the Library of Congress contains information about the WAV file format.

NARA's WAV files are identified as PUID fmt/141 and fmt/142 in the PRONOM database.

Although WAVE is the formal full name of the file format (Waveform Audio File Format), the three character file name extension is WAV. We have used the three character file name here in keeping with he way the file format is most often expressed as a file name extension.

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