Upgrading from:

Miscellaneous`Audio`

The functionality in Miscellaneous`Audio` is now available through the newly created Audio Package.

To access functionality from the new Audio Package, load Audio`:

Version 5.2 << Miscellaneous`Audio`

Here Waveform returns a sound object corresponding to a triangle wave having a fundamental of 440 hertz and lasting 0.2 seconds:

Version 5.2 Waveform[Triangle, 440, 0.2] // Show