Why's Audio & Video is out of sync when Uploaded to YouTube?

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Zia Basith

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  • Joined: Tue Dec 01, 2015 7:56 pm

Why's Audio & Video is out of sync when Uploaded to YouTube?

PostSun Dec 10, 2017 4:20 pm

Hi there,
My rendered video and audio looks 100% in sync when I render out in DR14 for youtube. However, when I upload it to YouTube, the audio and video is slightly out of sync.
Can someone tell me the proper settings for YouTube?

Thanks in advance,

Zia
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Charles Bennett

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  • Joined: Sat Nov 05, 2016 11:55 am
  • Location: United Kingdom

Re: Why's Audio & Video is out of sync when Uploaded to YouT

PostSun Dec 10, 2017 4:48 pm

Are you absolutely sure your render is in sync, as I have never seen this problem on YT? They do publish guideline specs for uploads: https://support.google.com/youtube/answer/1722171?hl=en-GB
I have no trouble with 1080 50p MP4 with AAC audio, or h264 with 48k 24bit linear PCM audio, both at 35000kbps.
Dell XPS 8700 Core i7-4790 @ 3.60GHz, 24GB RAM, Nvidia Geforce GTX 750Ti, Win 10 Home, DaVinci Resolve 15.0.6b, Canon HF G40.
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Zia Basith

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Re: Why's Audio & Video is out of sync when Uploaded to YouT

PostSun Dec 10, 2017 6:03 pm

Charles, thank you for the reply...
Yes my video and audio are perfectly in sync when I render out of DR...
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John Paines

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Re: Why's Audio & Video is out of sync when Uploaded to YouT

PostSun Dec 10, 2017 6:10 pm

Everything is out of sync on youtube -- or it's inconsistent, in sync part of time, out the rest. Try this test



10 to 1, it'll be out by at least 3 frames (audio early), at least some of the time. Download the file to confirm sync playback outside your browser.

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