These are more or less direct descendants of IFF so to speak (WAVE being based on RIFF, which is essentially little-endian IFF), the page also mentions as much:
"Audio IFF conforms to the "EA IFF 85" Standard for Interchange Format Files developed by Electronic Arts."
https://paulbourke.net/dataformats/audio/
These are more or less direct descendants of IFF so to speak (WAVE being based on RIFF, which is essentially little-endian IFF), the page also mentions as much:
"Audio IFF conforms to the "EA IFF 85" Standard for Interchange Format Files developed by Electronic Arts."