Foobar2000:Components 0.9/FreeSurround (foo dsp fsurround)
From Hydrogenaudio Knowledgebase
- It takes Dolby Surround / Pro Logic I/II encoded stereo music and decodes it into 5.1 sound.
- Note that this is fundamentally different from mirroring the stereo signal both in the front channels and the rear channels (what e.g. CMSS 3D does).