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Off Sync

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Edmar FloresOff Sync
by on Oct 17, 2016 at 12:53:42 pm

Greeting All and thank you for your time.

During playback/preview all vocal footage sync with audio track. After exporting, the first few vocal footage are off sync. I've checked and still the same issue and I can't seem to shake off the problem.

Any advice, please?

Cheers,
Edmar


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Dave LaRondeRe: Off Sync
by on Oct 17, 2016 at 7:56:35 pm

How did you shoot and/or capture the video? What's its codec?

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Edmar FloresRe: Off Sync
by on Oct 18, 2016 at 9:30:50 pm

Canon 7D

FPS: 23
1920 x 1080

Audio: 44,100 Hz - 16 bit - Stereo



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Edmar FloresRe: Off Sync
by on Oct 18, 2016 at 9:32:41 pm

Codec: Quicktime


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Dave LaRondeRe: Off Sync
by on Oct 18, 2016 at 10:36:12 pm

It's a good thing you included a picture. You need to read more closely. Use Adobe Media Encoder to to transcode the clips to Quicktime movies in the Photo JPEG, JPEG 2000, or PNG codecs. Set the audio to 48 kHz, 16 bits, stereo. The frame rate should be 23.976, not 23! Those fractions matter.

Then import them into PP, Right-click on one of the clips, and make the sequence from the clip settings. Your problems should be over.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Edmar FloresRe: Off Sync
by on Oct 20, 2016 at 12:46:10 pm

Thank you very much.

When you mention frame rate is that regarding to video or audio?


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Dave LaRondeRe: Off Sync
by on Oct 20, 2016 at 4:47:21 pm

23.976 refers to the video frame rate. Typically, audio only does not have a frame rate.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Edmar FloresRe: Off Sync
by on Oct 20, 2016 at 5:36:59 pm

Indeed and thank you.

However, I've checked all my video clips and they are 23.976fps


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Dave LaRondeRe: Off Sync
by on Oct 20, 2016 at 5:57:33 pm

Wow, and I thought I missed things when I read!
The problem isn't your video frame rate, it's your video codec and your audio sample rate! THAT is why you are transcoding! To eliminate the possibility of out of sync audio!

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Edmar FloresRe: Off Sync
by on Oct 18, 2016 at 10:02:58 pm

Professor Dave LaRonde,

During playback/preview @ 1/4 video is synced with audio. Looks great, everything is sync and smooth sailing. When I export the video and playback, a few section are off sync by a 1 second.

Directed music video for awhile and this is a first time for me.

SMH


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