Internet Wave

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Internet Wave files originated with a company named VocalTec and dates back to the very early days of multimedia on the web. It is likely a vocoder since it was also used in a VocalTec product named Internet Phone.

There are 2 formats at work. The first and most visible is VMD which is actually a plaintext file which directs a browser plugin to download the VMF file via HTTP. A VMD takes the format similar to:


Source=MIDI SMPTE PC studio
Author=Thorn Filipelli
Description=A grand piano in a large room, heard on the wind.

A VMF file is simply a WAV file with a codec ID of 0x7150.


Screenshots provided for posterity:

Internet Wave player running under Windows 3.1:


Internet Phone application running under Windows 3.1: