Sound FormatsThere are many computer formats for sound, and theoretically any of them could be used in a web page. The three most popular formats (those most likely to work on your readers' machines) are WAVE, AU, and MIDI.
WAVE (Waveform Audio File Format, with the file extension .wav) was invented for Windows by Microsoft. AU (Audio File Format, file extension .au) was invented by NeXT and Sun. Both are now widely accepted on many platforms, and are common on web pages. WAVE and AU are like sound recordings... they reproduce recorded sounds (or computer generated sounds). They also tend to be big files for just a little sound. WAVE and AU files are good for a short sound effect such as a
or perhaps a
(Notice that the size of that moo file is
MIDI (Musical Instrument Digital
Interface) is an entirely different concept. The MIDI file format is a series of commands such as "play middle C for .25 seconds". These sort of commands are very small, so one of the great advantages of MIDI files for your web page is that a lot of music can be packed in a small MIDI file. This rendition of
"Hazy Shade of Winter" is only