BH2PCM

BH2PCM is a format associated with the XWE (eXtendable Wad Editor), which is used to access and edit the contents of Doom WAD files. The WAD files have a number of things related to Doom game levels, including PCM audio, which is what the BH2PCM files contain.

Links

 * Extendable WAD Editor (Doom Wiki)
 * Extendable WAD Editor site