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[Scott Holtzman]

Hayden's post is very accurate to clarify the stereo output encodes Dolby Pro Logic which uses matrix encoding.   If you have a high end Preamp or RX HDMI with original encoding is way to go.  If you have an Oppo or similar high end player I have found the analog outs sound better that the multichannel PCM.

[Sander Rooijens]

TOSLINK is a 2 channel optical digital format using visible red light over generally plastic fiber developed by Toshiba. ADAT is an 8 channel format developed by Alesis for their 8 track digital tape recorders using the same hardware.

Mac

AFAIK this is incorrect. Toslink describes a standardized optical fiber connection system, in other words the optical cable and connectors. It does NOT describe the type of signal.

We can have optical S/PDIF which is a 2 channel optical digital format, typically using Toslink.
or we can have ADAT which is an 8 channel optical digital format, ALSO typically using Toslink.

Different signals but both using the same cable/connection system.

S.R.

[Rob Spence]

AFAIK this is incorrect. Toslink describes a standardized optical fiber connection system, in other words the optical cable and connectors. It does NOT describe the type of signal.

We can have optical S/PDIF which is a 2 channel optical digital format, typically using Toslink.
or we can have ADAT which is an 8 channel optical digital format, ALSO typically using Toslink.

Different signals but both using the same cable/connection system.

S.R.

Perhaps an analogy would be a single channel DMX over a data XLR or two channel AES over the same data XLR.



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