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Since Roku updated to latest firmware (9.4) all my video with AAC audio out of sync


arecad98

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Hi,

After the latest firmware update on my Rokus (Streambar and Stick+) when I play a video with AAC audio, the audio is out of sync about 500ms. The solution is to force a remux and the audio is perfectly in sync (Roku shows direct stream). I was lurking on the Plex forums as well and this issue seems to have also been identified there for Plex.

I was surprised to not see anyone else here asking about this so either I am the first or this is an issue with both my Rokus only (never had this issue before 9.4 - same videos).

Anyone else see this happening?

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speechles

The Streambar includes a Streaming Stick+ inside. I also have the same problem on my Roku Streaming Stick+ 3810.

https://community.roku.com/t5/forums/searchpage/tab/message?q=audio sync&sort_by=-topicPostDate&collapse_discussion=true

There are tons of posts on Roku forums about sync issues lately. Hopefully they address these so users do not need to always use Playback Correction.

The reason why no others have posted about this issue is because users probably do have the issue with sync but have realized like you that using Playback Correction once will solve it anytime that problem appears.

Curious as well. Does anyone else see this issue? Does Playback Correction solve it for you? Is it with just certain media codecs such as AAC or does it happen with more?

Edited by speechles
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Hi unfortunately Roku firmware updates have been notorious for creating these kinds of issues in recent years. Hopefully they will have a fix soon.

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Thanks for confirming. Hoping Roku resolves soon as it's a pain to pull up the OSD, click over to the settings cog, then down to the remux option every single time I watch a video. I suppose there is no way to force remuxing all the time in Emby while we wait for a fix?

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  • 2 weeks later...
On 12/10/2020 at 11:05 AM, speechles said:

The Streambar includes a Streaming Stick+ inside. I also have the same problem on my Roku Streaming Stick+ 3810.

https://community.roku.com/t5/forums/searchpage/tab/message?q=audio sync&sort_by=-topicPostDate&collapse_discussion=true

There are tons of posts on Roku forums about sync issues lately. Hopefully they address these so users do not need to always use Playback Correction.

The reason why no others have posted about this issue is because users probably do have the issue with sync but have realized like you that using Playback Correction once will solve it anytime that problem appears.

Curious as well. Does anyone else see this issue? Does Playback Correction solve it for you? Is it with just certain media codecs such as AAC or does it happen with more?

@speechles Same issue here. Not sure when it first occurred, but I noticed it around two or three weeks ago on all my RokuTVs. One thing I wanted to mention is that when you start playback the audio starts for a second, then there is a split second audio drop out and then the audio is back again - this appears to be when the sync issue begins (this also occurs when rewinding or fast forwarding). Enabling playback correction fixes the issue, but it's a pain to have to enable manually each time.

Can we get an option for Emby on Roku to default to using playback correction (direct stream) mode?

 

Edit: Some more data, I don't have this issue when direct playing AC3 5.1 or AAC 2.0. Appears to be strictly related to direct playing media with AAC 5.1.

Edited by Lane03
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Can we get an option for Emby on Roku to default to using playback correction (direct stream) mode?

If it comes to it but that's really the last resort. Ideally we want Roku to issue an update to resolve it.

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18 minutes ago, Luke said:

If it comes to it but that's really the last resort. Ideally we want Roku to issue an update to resolve it.

Yeah, I totally understand that reasoning. Problem is they (Roku) aren't always quick to fix things...

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There have been two updates to the Roku software (firmware) since my OP and the issue persists. The only change I noticed is that when you start a video now, the audio is in sync for about half a second, then there is a micro stutter in the audio and it goes back out of sync. So maybe Roku is trying to fix it but at this rate, we may be in for a long wait. I believe it to be container related as I don't notice this with mp4 but I do with mkv. 

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  • 2 weeks later...

I'm watching this... I had the same problem and couldn't figure out what was going on.  To be honest, this thread saved me because I didn't know that the 'Playback Correction' feature even existed.

From the looks of it, the Roku forums are a total mess of complaints since that update.  To make matters worse, updates are enforced heavily and they are not reversible.

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  • 2 weeks later...
jsbarde

I've been having this problem for weeks too, going to try the workaround listed above but it would be great to have some kind of option to force it on for everything until they fix so at least we can watch stuff in sync. 

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adammckay

Yeah - so I read Luke's post and I totally get it.  You don't want to design a checkbox or 'feature' that a) fixes someone else's mess and b) sticks around for so long that users just start checking it because it's there.  Then when Roku fixes their firmware, would the audio be out of sync again?!  So I get that.

What might be nice though is an entire menu of 'temp hotfixes' in the server menu.  I'm sure there are tons of problems like this that the DEVs get bugged about.  We just don't know about them because they occur with combinations of hardware that we don't own.  Perhaps they would consider adding a list of things (with forum links) for as long as they are a problem knowing that they can someday be removed from cluttering up the settings.

Just a thought.  But I'm just happy there's any way to fix at all.  AFAIK, Plex people are just out of luck on this issue.

Also - it bothers me that someday, Roku might just put a firmware update out that's so bad it ruins my whole TV.  I guess I'll just keep a Raspberry Pi with Kodi in case that happens.

 

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Luke
13 hours ago, adammckay said:

Yeah - so I read Luke's post and I totally get it.  You don't want to design a checkbox or 'feature' that a) fixes someone else's mess and b) sticks around for so long that users just start checking it because it's there.  Then when Roku fixes their firmware, would the audio be out of sync again?!  So I get that.

What might be nice though is an entire menu of 'temp hotfixes' in the server menu.  I'm sure there are tons of problems like this that the DEVs get bugged about.  We just don't know about them because they occur with combinations of hardware that we don't own.  Perhaps they would consider adding a list of things (with forum links) for as long as they are a problem knowing that they can someday be removed from cluttering up the settings.

Just a thought.  But I'm just happy there's any way to fix at all.  AFAIK, Plex people are just out of luck on this issue.

Also - it bothers me that someday, Roku might just put a firmware update out that's so bad it ruins my whole TV.  I guess I'll just keep a Raspberry Pi with Kodi in case that happens.

 

Yes you are exactly right. 

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  • 2 weeks later...
arecad98

Got another update on my Streambar last night and the problem still hasn't been addressed. I am embarrassed for Roku. You'd think they would have fixed this weeks ago.

It seems to be this only applies to AAC 2.0 audio contained in an MKV file. AAC in mp4 works fine.

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