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Sonos Arc gives no sound with DTS Surround 1.0

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All other formats working fine, but I have a few high quality movies with mono DTS soundtracks, which just give silence. App says it’s receiving DTS Surround 1.0 but no sound from speaker.

Running Plex on NVidia Sheild, eArc connection.

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DBrowne

Lyricist I

@DBrowne, welcome to the Sonos Community!

While you’re running into the same issue, it’s likely caused by something else, as you don’t seem to have the same setup as bradslk does.

As suggested before, I’d recommend you submitting a diagnostics then reach out to our support team to troubleshoot.

Submitted a diagnostic and Support is insisting I log a support case with Sony to say it can pass through DTS Surround 1.0. Even though Sonos support acknowledge that the Beam is actually receiving a DTS Surround 1.0 Signal as shown by the Diagnostic. One of the other language tracks on the disk is in stereo (DTS Surround 2.0) and that works fine.

Onto Sony then :-(

Ken_Griffiths

@DBrowne, welcome to the Sonos Community!

While you’re running into the same issue, it’s likely caused by something else, as you don’t seem to have the same setup as bradslk does.

As suggested before, I’d recommend you submitting a diagnostics then reach out to our support team to troubleshoot.

Submitted a diagnostic and Support is insisting I log a support case with Sony to say it can pass through DTS Surround 1.0. Even though Sonos support acknowledge that the Beam is actually receiving a DTS Surround 1.0 Signal as shown by the Diagnostic. One of the other language tracks on the disk is in stereo (DTS Surround 2.0) and that works fine.

Onto Sony then :-(

It seems the Sony TV supports the pass-through of DTS 5.1 codec via optical and ARC/eARC, that information is shown on rtings.com, but what isn’t clear is if the TV/devices in the mix each support DTS 1.0 - I’ve never read anything to say that the TV, or indeed Sonos products, support that codec - it seems that it comes in both lossy and lossless formats from what I’ve read online and maybe there are some incompatibilities with the DTS 5.1 format supported. 🤷‍♂️

LouisXIII

Lyricist I

Hello everyone,

Same issue here : the Sonos app recognizes the Surround DTS 1.0 audio track, but no sound.

This issue doesn’t seem to be resolved here, so here I am adding to the list of people having the same problem.

It’s the first time this happens since I bought the Beam (gen 2) a couple months ago.

I own a Toshiba 4K TV and a LG 4K blu-ray player. Trying to watch Righting Wrongs on blu-ray, but only the menu, the commentary track and the bonus features have sound.

Only way to have sound is to disconnect the Beam from the TV set and watching it with the sound coming from the TV internal speakers… so the problem is definitely coming from Sonos.

Regards.

Ken_Griffiths

Hello everyone,

Same issue here : the Sonos app recognizes the Surround DTS 1.0 audio track, but no sound.

This issue doesn’t seem to be resolved here, so here I am adding to the list of people having the same problem.

It’s the first time this happens since I bought the Beam (gen 2) a couple months ago.

I own a Toshiba 4K TV and a LG 4K blu-ray player. Trying to watch Righting Wrongs on blu-ray, but only the menu, the commentary track and the bonus features have sound.

Only way to have sound is to disconnect the Beam from the TV set and watching it with the sound coming from the TV internal speakers… so the problem is definitely coming from Sonos.

Regards.

Does it work if you switch the audio-out on the Blu-ray player to PCM stereo?

LouisXIII

Lyricist I

Does it work if you switch the audio-out on the Blu-ray player to PCM stereo?

Oh wow! Yes, it works! Thank you so much @Ken_Griffiths :D

...still weird that the Beam does Atmos, but not a silly little 1.0 track. ;)

Ken_Griffiths

Does it work if you switch the audio-out on the Blu-ray player to PCM stereo?

Oh wow! Yes, it works! Thank you so much @Ken_Griffiths :D

...still weird that the Beam does Atmos, but not a silly little 1.0 track. ;)

As mentioned earlier, I’ve only ever seen Sonos say that their HT devices support DTS 5.1 and all the various Dolby Codecs. I know that they do not support DTS-X/HD audio and I’ve never seen them mention DTS 1.0 so maybe it’s not compatible, but the stereo PCM codec should almost always work as a fallback. Anyhow, at least you can enjoy the Blu-Ray Movie now without having to switch to the TV speakers.

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GuitarSuperstar

Lead Maestro

What’s interesting is Sonos supports Dolby mono tracks but doesn’t seem to support DTS mono tracks.

"Receive with simplicity everything that happens to you." - Rashi

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Pixaranimated

Lyricist III

Same issue here but with a DTS HD master track on Police academy blu-ray using sonos Beam gen 2 and Sony X90J. There is no alternative English track on this disc like most others, the sonos app says it is in DTS 1.0 but not sound. I understand the lack of support for DTS HD but you would expect it to be encoded to mono or something and actually produce some audio. No audio whatsoever so I will be returning the blu-rays due to the rubbish codec support on Sonos. I sure do hope DTSHD support is added soon considering most blu-ray discs have it or i’ll have to return my system too.

Ken_Griffiths

Same issue here but with a DTS HD master track on Police academy blu-ray using sonos Beam gen 2 and Sony X90J. There is no alternative English track on this disc like most others, the sonos app says it is in DTS 1.0 but not sound. I understand the lack of support for DTS HD but you would expect it to be encoded to mono or something and actually produce some audio. No audio whatsoever so I will be returning the blu-rays due to the rubbish codec support on Sonos. I sure do hope DTSHD support is added soon considering most blu-ray discs have it or i’ll have to return my system too.

I would either try PCM stereo as that would be better than mono - or if the TV has HDMI-eARC, then swap the codec on the player to multichannel LPCM and see if that provides surround audio… note you may have to turn up the volume a bit with the LPCM codec, but it should work.🤞

106rallye

Does it work if you switch the audio-out on the Blu-ray player to PCM stereo?

@Pixaranimated Have you tried this?

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