- Extension: vmf (media, actually a WAV file), vmd (web reference)
- Codec ID: 0x7150
- Company (archived): VocalTec ( http://web.archive.org/web/19961225003614/www.vocaltec.com/iwave.htm )
- Samples: http://samples.mplayerhq.hu/A-codecs/vocaltec-internet-wave/
- MIME types:
- vmf: application/vocaltec-media-file
- vmd: application/vocaltec-media-desc
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:
[VMD] Base=http://www.sonic.net/~thorn/KROS/hotwave/piano.vmf Ver=1.0 Mood=Music [Info] Title=PianoRoom 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: