My Panasonic TV will Not Pass-through 5.1 through it’s Optical Output via an external source (HDMI/Composite/Component)
2.0 is all i get from the TV’s Optical out. Most older Tv’s will do this (2.0 output). consult your TV User Manual for more info
So … my working setup for 5.1 DTS and Dolby Digital Surround Sound is…
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WDTV Live Hub (or SMP) connected to Panasonic TV via HDMI
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WDTV Live Hub (or SMP) connected via Optical Output to my Teac Amplifier’s Optical Input
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WDTV Live Hub (or SMP) settings set to “Digital Pass Through via Optical Only”
Works fine
P.S. duuri Optical Audio goes by a few different names … aka SPDIF(optical) and Toslink as well
Optical / SPDIF(optical) / Toslink cable