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According to various sources (like this), FFX features multi-channel audio: Dolby Pro Logic (gameplay) and Dolby Digital 5.1 (movies).

I have my PS2 connected to my surround sound receiver via Toslink, which reports that it's receiving digital 2.0-channel (a.k.a., stereo) in the form of 48k PCM, both in the game and during cutscenes. The receiver is a recent one, which claims to support "Dolby Digital Plus, ProLogic IIx" (among many other formats).

I'm not up on what all of Dolby's brand names mean -- shouldn't my receiver be capable of decoding the PS2/FFX's Dolby bitstream? Do I need to enable them on the PS2 or in FFX somehow? I don't see any configuration options in the game to do so, only mono/stereo.

I know this really won't make any real difference, but I'm curious to see it work!

EDIT: I remembered that there are many different versions of PS2. Does it depend on a particular version of the console itself? I saw Dolby support announced from pretty early sources, and FFX is a fairly early game in the PS2's lifetime, so I don't think it should matter, but FWIW I have an SCPH-55000.

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closed as off topic by KatieK, Michel, kotekzot, SaintWacko, ChrisF Dec 20 '12 at 22:07

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My vague knowledge of Dolby Pro Logic is that the surround signal (4+ speakers) is encoded into the 2 stereo channels.

The decoder, if it supports Pro Logic, reconstructs the surround signal. If it does not, the stereo signal can just be played as-is.

Dolby Pro Logic is an analogue technology, so I'd suggest using analogue cables (eg. RCA), selecting stereo in-game, and turning on Pro Logic on your receiver. See how that goes, anyway.

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