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Posts: 4
Joined: Sun Jul 13, 2008 6:24 am

Re: Audio sync issues on Roku TV (TCL 55P607)

Mon May 20, 2019 4:36 am

CParker wrote:
I have an Ultra in the living room (connected via ethernet) and 3 of the Streaming Stick+ (4 TVs total)
I've had this audio sync issue on all of them.
I first notice it as "lip sync" being off a little. It seems to progressively get worse if I do nothing.

What I have found that fixes it *almost* all the time, is to hit Options (while any video is playing) and turn off Sound Leveling. The audio syncs. Then I turn it back on (I like it!)
My understanding is that the OS 9.1 update addresses this specific issue. I have not yet received the update on ANY of my Roku devices to confirm or despute that notion.

One of the bedroom TVs the sound got so bad it would stop and stutter. the sound leveling "fix" didn't fix that. I had to restart the streaming stick+ and then the problem was resolved. HOWEVER... I think that may have been a network issue. I'm still getting a handle on which rooms can use 5GHz wifi vs the rooms that do better on 2.4GHz.

My ROKU Ultra has horrible voice sync issues when using Youtube.  I am just going to leave Sound Leveling off till 9.1 gets here. 
Posts: 1
Joined: Tue Jul 02, 2019 7:09 pm

Re: Audio sync issues on Roku TV (TCL 55P607)

Wed Jul 03, 2019 7:08 pm

TCL TV model 55s423, using embedded Roku
Roku TV 7135x
Softrware version 9.0.2 build 4057-30
Amp Sony STR-DH750
TV (HDMI 3 [ARC]) <--> Amp (HDMI Out [ARC])
Windows Media Center PC -> Amp (HDMI 1)
All components connected to line conditioner/UPS

Sources affected:
  TV embedded Roku streaming apps CBS Now, Neflix, Hulu
  Windows Media Center live and recorded content

Similar problems.  Roku streaming apps had popping sounds.  All content sources, occasionally the sound would stop, and in upper right screen of the TV I'd briefly get a icon of a speaker with a slash through it inside the TV volume circle.  The slash would go away and sound would come back.

I wanted to use the TV embedded Roku to watch streaming content and feed rich audio back to the amp.  So I connected the HDMI ARC ports from TV to the amp.  It's a new TV.  I was about to return it before the store's 14-day limit.  What seems to have worked after 3 days of the toughest tester (my wife) is to disable the "System audio control" option.  This is found in the TV through Settings \ System \ Control Other Devices (CEC).  Enable "HDMI ARC", but disable "System audio control".

See also

Hope this helps someone.
Posts: 8
Joined: Thu Jan 10, 2019 6:53 pm

Re: Audio sync issues on Roku TV (TCL 55P607)

Thu Jul 25, 2019 9:19 am

This a copy and paste of a PM I sent to one of the community managers, hope it helps
You posted here ... 35#p628935 a while ago to PM if troubleshooting didn't help with lip-sync/audio that many people are having with the built in Roku TV.
TV Model: Sharp LC-65Q73+
Roku Tv: 7233X
Software: 9.1.0
Build: 4121-40
Sony STR-DE975 via Optical

I been having this problem since the day I open the box which was around Christmas (purchased on Black Friday). Noticed it right away by having both the TV sound and Sony playing sound at the same time and a very noticeable echo happens. Currently I have the TV hooked to my Sony Receiver via SPDIF since it's an older receiver. I had a slightly newer but cheaper Pioneer initially feeding it sound but gave that to friend. Both lack HDMI BOTH have the same issues.  Using the TV built in Network apps the audio appears to ok Hulu, Netflix, Amazon etc except for maybe Youtube which is hit or miss but I blame that some of source material themselves. Things go awry when plugging a USB drive (used several) or any HDMI device. Doesn't matter what is it, have dozen of cords. Tried my PS4, 2 Android Boxes, and an old HD-DVD player all have the same problem. Audio is generally delayed by around 200ms for Dolby codecs with slight variations but as others have mentioned these TV have a huge problem processing anything encoded DTS related, especially when trying to pass-though some of the more advance codecs. Huge lag spikes often in seconds happen. I been having to use an android box to watch most movies but since the delay is variable it's not really a fix. I have tried everything possible from reboots, re-installs, menu options, all kinds of different set-up to try to rectify the problem on my end. I feel like I'm pretty technical since I repair computers for a living and this is driving me nuts. I had a smaller 4k TV before this that ran the Opera OS. One feature it had was lip-sych and audio delay options. Why can't this  be implemented in Roku? It would be a temporary fix but it would be something and at least acknowledge the problem. Any help would be great as there's so many other people frustrated with this problem.

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