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In Reply to: RE: optical out from Panny plasma TV ? posted by Doublej on January 24, 2023 at 17:24:36
Found this on Crutchfield:
Digital Audio Out: The rear-panel optical digital output allows you to send a Dolby Digital bit stream to a Dolby Digital receiver or decoder. If the program doesn't include a Dolby Digital soundtrack, a 2-channel PCM bit stream is output.
Your DAC likely does not support Dolby so you need to change the sources to output 2 channel audio to the TV so it can send 2 channel audio through the optical output to the DAC.
Edits: 01/24/23Follow Ups:
Thanks Doublej! I really appreciate you taking the time to research this. You have given me an idea. On Amazon I have found some inexpensive (around $30) optical to RCA DACs that claim to support Dolby. I'm gonna try one of them. Ultimate audio quality for the TV is not as important to me as just being able to use speakers other than what are in the TV. I will report back on whether it works. I can't be the only person still using an older TV without all the bells and whistles.
Just a follow up. I bought a "Prozor model PST159 DAC" off of Amazon for about $30 and now I have sound from the TV through my stereo. Thanks for the info that solved my problem!
I understand you've solved your problem, but I'll add this (for future search reference).
On my old Panasonic TV, to use the digital optical audio out into a two-channel DAC, I had to set the TV to two-channel output in the settings menu. But even then, the optical out only works for digital inputs (like HDMI).
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