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exporting WMV out of synch

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Jon Gagnon
exporting WMV out of synch
on Sep 24, 2010 at 7:19:47 pm

Hello,

We often export our final edits as WMV for our clients using PC's. We are all Mac based. We export a full quality file then convert using various programs. I've tried compressor, cleaner, episode, mpeg streamclip using various settings. (one pass, two pass, various bitrates, 44.1 and 48 KHz) We have Flip for Mac Studio, Studio Pro and Studio Pro HD on different computers.

The uncompressed export and MP4 exports synch is fine.

Different programs put the audio out of synch to varying degrees, but all are out of synch. We were hoping it was a display issue with a mac but our client says it's out of synch on her end as well.

Any solutions, tests, workarounds, would be greatly appreciated.


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John Fishback
Re: exporting WMV out of synch
on Sep 24, 2010 at 7:33:59 pm

What edit codec did you use in your sequence?

John

MacPro 8-core 2.8GHz 8 GB RAM OS 10.5.8 QT7.6.4 Kona 3 Dual Cinema 23 ATI Radeon HD 3870, 24" TV-Logic Monitor, ATTO ExpressSAS R380 RAID Adapter, PDE enclosure with 8-drive 6TB RAID 5
FCS 3 (FCP 7.0.3, Motion 4.0.3, Comp 3.5.3, DVDSP 4.2.2, Color 1.5.3)

Pro Tools HD w SYNC IO & 192 Digital I/O, Yamaha DM1000, Millennia Media HV-3C, Neumann U87, Schoeps Mk41 mics, Genelec Monitors, PrimaLT ISDN


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Jerry Hofmann
Re: exporting WMV out of synch
on Sep 24, 2010 at 7:35:36 pm

Post what the sequence settings are and what the source material's properties are. Whole situation tells a lot more sometimes.

Jerry


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Jon Gagnon
Re: exporting WMV out of synch
on Sep 24, 2010 at 8:07:53 pm

Frame size: 1920 X 1080

AR: HDTV 1080i (16:9)

Pixel aspect ratio: Square

Editing Timebase: 23.98

Compressor: Apple Pro Res 422

Audio:

Rate: 48 KHz

Dept: 16-bit

Config: Channel Grouped

Source Material was shot on a Canon 7D, so H.264 23.98 1080P.

Audio was shot with a Zoom H4N.

I was thinking it was a 44.1 - 48KHz issue but the uncompressed file from FCP is perfectly in synch.


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Dave LaRonde
Re: exporting WMV out of synch
on Sep 24, 2010 at 8:15:26 pm

[Jon Gagnon] "Source Material was shot on a Canon 7D, so H.264 23.98 1080P."

If you didn't convert the footage to ProRes prior to editing, I'd say that's your problem right there. H.264 should never be used as an editing codec in FCP.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Jeremy Garchow
Re: exporting WMV out of synch
on Sep 24, 2010 at 7:41:21 pm

Are your clients on the PCs seeing it out of sync? I find flip4mac to less than reliable on playback. It will be out of sync on a mac, but when giving to people to watch on a PC, or run through parallels on my laptop, it's ok.

Jeremy


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Brad Elliott
Re: exporting WMV out of synch
on Sep 24, 2010 at 7:58:51 pm

I know you are Mac based but TMPG on the PC side is another option.



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Jon Gagnon
Re: exporting WMV out of synch
on Sep 24, 2010 at 8:09:40 pm

Sorry what is TMPG?

The client is seeing it out of synch.

Ideally there would be a solution not requiring the client to download or fix something.


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Brad Elliott
Re: exporting WMV out of synch
on Sep 24, 2010 at 8:14:25 pm

TMPG is an application for PCs that is very similar to Episode or Cleaner.

Have you tried testing another project to see if all exports go out of sync when converted to wmv or just this particular project?



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