Enthusiast II

Sonos Arc - Getting Dolby Digital

13 replies
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While this is ahppenig with a Sonos arc, I'm pretty sure it is a tv/fire cube issue but was hoping someone !ight have an idea here:

I have to unplug the supplying device's hdmi cable (fire cube tv) Everytime in order to get Dolby. When I first try to watch a movie or show, I only get PCM as an option (Dolby Digital, DTS, etc is greyed out) on my tv, but if I plug the HDMI cable going into the tv from the fire tv and replug it back in, it switches from pcm to Dolby digital. I have to do this every single time. I've already swapped that HDMI cable out. This is just using ARC. I have ordered an HDFury Arcana, but because of all the supply issues that won't be in until sometime in January.

Any ideas or advice is greatly appreciated

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M

MissionspartaAuthor

Enthusiast II

Yeah it will, although may be able to do away with the switch when you get the arcana, or use it for other items if it fixes the issue.

Out of interest, have you tried a different HDMI port as well ?

Yep. Same results.

buzz

Grand Maestro

Pulling the HDMI out and putting it back in as well as rebooting the fire cube will make the tv see a Dolby digital signal, but shutting the tv off and back on will not. Found that odd.

This should be telling us something, but I‘m not sure what that is. Probably, powering down, then powering up the TV reverts the TV to a default audio format without triggering the EDID negotiation.

M

MissionspartaAuthor

Enthusiast II

Pulling the HDMI out and putting it back in as well as rebooting the fire cube will make the tv see a Dolby digital signal, but shutting the tv off and back on will not. Found that odd.

This should be telling us something, but I‘m what that is. Probably, powering down, then powering up the TV reverts the TV to a default audio format without triggering the EDID negotiation.

Yes. And once it sees the real device capability, it stays the whole time you are on that input. I figured with a physically caused glitch of some type, is see it keep dropping from Dolby digital back to PCM over and over. That doesn't ever occur. I'm going to order the selector you suggested and just hold tight until the arcana arrives. I really appreciate the help.

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