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UK Digital Video (uk.rec.video.digital) For the discussion of all aspects of digital video, including all digital video formats, camera use, editing, post production & all associated equipment, hardware and software. Advertising is prohibited.

Tape = DV file - sound delays



 
 
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  #1  
Old December 8th 06, 01:04 AM posted to uk.rec.video.digital
Just D
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Posts: 107
Default Tape = DV file - sound delays

I recently was re-downloading my DV tape collection to a new huge hard. What
I noticed during hours of sitting nearby is that sound comes later than
video. The different is significant, maybe half-a-second or maybe a little
bit longer, no chances to evaluate. Just saw that somebody starts talking,
then sounds comes. I have no idea what's the real reason, maybe the audio
stream should be buffered before it becomes written and available for
monitoring, and but I guess it's normal and when I reviewed the DV files the
sound was perfectly synchronized. Am I right?

Just D.


  #2  
Old December 8th 06, 01:15 AM posted to uk.rec.video.digital
G Hardy
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Posts: 545
Default Tape = DV file - sound delays

"Just D" wrote in message
...
I recently was re-downloading my DV tape collection to a new huge hard.
What I noticed during hours of sitting nearby is that sound comes later
than video. The different is significant, maybe half-a-second or maybe a
little bit longer, no chances to evaluate. Just saw that somebody starts
talking, then sounds comes. I have no idea what's the real reason, maybe
the audio stream should be buffered before it becomes written and available
for monitoring, and but I guess it's normal and when I reviewed the DV
files the sound was perfectly synchronized. Am I right?


Is it just happening while watching the capture view? i.e. it's only during
the capture that it "appears" out of synch, but playback on the camera and
playback of the captured AVI are OK?


  #3  
Old December 8th 06, 01:43 AM posted to uk.rec.video.digital
Just D
external usenet poster
 
Posts: 107
Default Tape = DV file - sound delays

Yes, that's happening only when I download video from the tape to DV files
and preview the video at the same time. When the file is downloaded all DV
files are synced correctly.

"G Hardy"

Is it just happening while watching the capture view? i.e. it's only
during the capture that it "appears" out of synch, but playback on the
camera and playback of the captured AVI are OK?



  #4  
Old December 8th 06, 04:10 AM posted to uk.rec.video.digital
G Hardy
external usenet poster
 
Posts: 545
Default Tape = DV file - sound delays

"Just D" wrote in message
...
Yes, that's happening only when I download video from the tape to DV files
and preview the video at the same time. When the file is downloaded all DV
files are synced correctly.


I get something similar, but the video lags behind the audio. I've never
paid it much attention because the captured AVI is fine.


  #5  
Old December 8th 06, 09:07 AM posted to uk.rec.video.digital
Laurence Payne
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Posts: 154
Default Tape = DV file - sound delays

On Thu, 7 Dec 2006 19:04:59 -0700, "Just D" wrote:

I recently was re-downloading my DV tape collection to a new huge hard. What
I noticed during hours of sitting nearby is that sound comes later than
video. The different is significant, maybe half-a-second or maybe a little
bit longer, no chances to evaluate. Just saw that somebody starts talking,
then sounds comes. I have no idea what's the real reason, maybe the audio
stream should be buffered before it becomes written and available for
monitoring, and but I guess it's normal and when I reviewed the DV files the
sound was perfectly synchronized. Am I right?


Yeah. Don't worry about bad synch when monitoring a transfer as long
as the result is OK.
 




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