Audio Out of Sync

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untouchable855
I Plan to Stick Around
Posts: 70

Audio Out of Sync

Autio on CTV timeshifted channel 581 is out of sync in toronto

 
 
 
***Edited Labels***
RogersCorey
Moderator
Moderator
Posts: 1,484

Re: Audio Out of Sync

Greetings @untouchable855

 

Is this the only channel that you're noticing an audio sync issue on? If so, we should investigate further and escalate a ticket to investigate.

 

If you're experiencing it on multiple channels, then we may need to look at your audio setup and settings if you're using a speaker system or receiver to ensure there's no additional latency being added by your equipment.

 

Feel free to send us a private message to @CommunityHelps so we can assist you further. For more information on how our Private Messaging system works, you can find out more here.  

 

Regards,

RogersCorey

OLDYELLR
I'm a Senior Advisor
Posts: 3,784

Re: Audio Out of Sync

Video needs far more bandwidth and processing power than audio.  It's either a bandwidth or processor problem.


Rogers PayGo. Location: S-W Ontario
mebe
I Plan to Stick Around
Posts: 30

Re: Audio Out of Sync

Yes, ch.581(CTV Vancouver HD) has its audio out of sync with it's video (prob by about 1 or 2 milliseconds).
I'm also watching from Toronto and compared 581 content with other broadcasters airing the same content (on other Rogers channels) at the same time, but only ch. 581 was out of sync. I can't compare it with the SD version of that channel (ch. 112 - says ctv bc in guide), since Rogers can't include 112 as part of my super sports pack theme package because the system incorrectly thinks I'm not authorized to receive it (and it doesn't appear in my guide unless I select "View all channels"), even though Rogers knows their system is in error.
Rogers also tested ch. 581via my box and it shows no problems at all, thus it's probably ctv Vancouver that has the problem.
Tipton564
I've Been Around
Posts: 1

Re: Audio Out of Sync


@MyLowesLife wrote:

Autio on CTV timeshifted channel 581 is out of sync in toronto

 
 
 
***Edited Labels***

There are two possible solutions:

  1. using dshow screen-capture-recorder instead of gdigrab

ffmpeg -f dshow -i video="screen-capture-recorder":audio="Your-Microphone" output.mkv

  1. or set an offset value for either video or audio which is a little bit faster

put -itoffset 00:00:0.6 (eg. 600ms)behind whichever is faster

mebe
I Plan to Stick Around
Posts: 30

Re: Audio Out of Sync

CTV Vancouver HD now appears to be properly in sync for me. I also now have the in sync SD version on ch 112 successfully added to my package simply by adding the timeshifting package (free since its already part of my sports pack). It's odd that 112 was the only channel that was incorrectly not part of the sports pack, but the system at least knows to give a $6 credit for that timeshifting package that Rogers had to add today.
mebe
I Plan to Stick Around
Posts: 30

Re: Audio Out of Sync

I checked ch. 581 (CTV Van HD) just now and it's actually still out of sync (perhaps by at least half a second now). Since the SD version on ch. 112 is in sync, I'm going to assume that this problem will not be fixed until CTV Vancouver itself is contacted. Hopefully there's an efficient way to email them, since Rogers fell asleep at the wheel.