SOX version 14.2.0 has been ported
(1/15/2011) to OS/2. SoX (also known as Sound eXchange) translates
sound samples between different file formats, and optionally applies
various sound effects. Some of the formats supported are AIFF, AU, PCM,
CD-R (music CD format), VOC, WAV, and many others.
Source: OS/2 Warp News and Rumors