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User149518
Contributor II
February 2, 2017
Answered

Lip Sync Delay

I have my Cable box hooked up to my Sony Bravia TV through an HDMI chord. Then from the TV to the sonos Playbar, I have a toslink optical cable. Because of this set up, the video is running faster than the audio from my sonos speakers This is causing a lip sync delay when watching TV. I already checked and my TV doesn't offer the functionality of delaying the video. I also checked and unfortunately the cable box doesn't have the option to delay the video either. And I know Sonos offers the ability to delay the audio for syncing purposes but I don't need to delay the audio, I need to speed up the audio or somehow delay the video.

What can I do? How can I speed up the audio or delay the video?
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    User149518Answer
    Contributor II
    June 12, 2017
    Just wanted to share an update in case any one else has to go through this. I searched everywhere online (monoprice, amazon, hdtv.com, google, etc etc) but there does not exist an HDMI switch that offers HDCP 2.2 enabled 4K@60hz video resolution pass-through AND a toslink optical output for audio. At least not yet. I may take another look around in six months.

    So coming from my cable box, I have connected the HDMI chord (for video) directly to the TV and the toslink optical chord (for audio) directly to the sonos playbar. And when I want to watch apps like youtube, hulu, netflix, amazon prime etc etc, I remove the HDMI and toslink chords from the cable box and connect them in the same fashion to a Roku Ultra I purchased. It's not an elegant solution but by directly routing the audio from the source to the sound bar and bypassing the tv, I have fixed my lip synch problem. It definitely sucks having to connect and disconnect the chords each time you switch back and forth between the cable box and Roku and it's silly I had to buy a Roku instead of using all the apps that were already included in my smart tv but it is what it is. It's cheaper to do this than have to buy an all new 5.1 surround sound system and tear up drywall to run wires around the room.

    But if anyone does find an HDMI switch that offers full 4K video capability, just shoot me a private message to let me know.
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    DJZ
    DJZ
    Lyricist II
    August 6, 2018
    I too have an issue with lip sync with the TV. I have an optical cable running from the Playbar to the TV, but maybe i need to try it from the cable box. Didn't know it even had one. I have a Sub as well, but I assume the Sub will follow the Playbar. I also have hard wired speakers in the ceiling that go with the TV, and are part of my Basement location in Sonos, so not sure how this will sound if I hook up the Playbar to the cable box via optical cable. Any thoughts from anyone?
    Music is life!
    Airgetlam
    Airgetlam
    August 6, 2018
    It’s worth a test, at the least. I suspect you’ll find that the issue is indeed the TV....but that’s because it works perfectly on both the Vizios I have, so I know the Sonos works as designed. And yes, the SUB is linked to the PLAYBAR.

    The surround connection wouldn’t be changed at all if you swapped the optical from the TV to the cable box, much like the SUB, they’d be connected to the PLAYBAR as well.
    Bruce
    DJZ
    DJZ
    Lyricist II
    August 6, 2018
    I appreciate the reply and I will give it a try. Thank you.
    Music is life!
      AloysiusSonos
      Contributor III
      December 8, 2018
      Have an LG C7, but the AV / Bypass option on the tv does not fix my sync issue. It's evidently a problem with the tv (not SONOS). LG is aware of this, has escalated, and is currently working on (per another thread).

      SONOS support advises wiring directly to the device (i.e., SONOS to cable box), which does fix the issue. Unfortunately, this requires manually rewiring every time I switch devices. This was not a viable solution for me & I bought a splitter. Sucks that I had to spend the extra $$$ on top of the sound system + tv, but oh well... Audio is now in sync for all devices.

      FWIW, here's a link to the splitter I settled on: https://www.amazon.com/gp/product/B00VJ8VS62/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

      Is using this type of splitter the best path to having a permanent fix to solve the Lip Sync delay issue? From the copious amount of reading I've done... I haven't seen a better solution....
      roseylv
      Contributor I
      January 28, 2019
      i have a Sony 85x900f and i too am experiencing sync delay with the soundbar linked directly to the TV. Talk about annoying.
      i just purchased a https://www.amazon.com/gp/product/B00G188Z7A/ref=ppx_yo_dt_b_asin_title_o00__o00_s00?ie=UTF8&th=1 in hopes that it will solve my problem. I too need to speed up the audio and not slow it down. I have every audio assistance option disabled. i wanted a toslink that could be controlled by my logitech remote and read reviews saying it was easy to configure with a logitech. Perhaps the link above is also programable via a universal remote. I'm guessing you have to us an IR repeater for both. Anyways, i hope this solves my problem as there is NO way i will be switching cables to and fro. If it doesn't, i'm returning my entire 5.1 and going with a traditional setup
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