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DV Material und nicht synchronen Ton

DV material and non-synchronous sound



Frage von TB:
März 2008

After playing on many old DV tapes is the sound not synchronously. At the end, ultimately missing almost 1-2 seconds.

The recordings were made with a JVC GR-DV1 recorded. This camera is not working anymore and the transfer took place on the PC with another via Camera Fire Fire instead. The problem is with other cameras can not be avoided - had tried a few (shots with the "new" cameras themselves synonymous the synchronously when playing no problem).

How can I do now (about 40 DV tapes) to synchronize again. I have the sound on the whole image material "stretch".

Regards
Harald



Antwort von illd:

Could it be you with the MS Movie Maker've recorded?

I have had since that time a similar problem, but was not s.den tapes but s.Aufnahmemodus with which the tapes were recorded.

The audio bitrate was set to 8 bits, so that the MM was not clear.
Result was similar to the effect you describe, sound was consistently too slow.

Solution: I have recorded with liquid, which was clearly with the 8-bit



Antwort von O`Shannon:

I had tried it with Magix Video 2008th Since the program dropouts but often times I had with the rest DVIO recorded.

It is definitely synonymous with the recordings of the old camera, together, with new recordings of the current Camera have no problems.

The recordings were with 48kHz /! 6 bits included (at least so the settings were s.der Camera).

Liquid is not exactly cheap and comes with my Athlon XP probably not clear, since Pentium 4 condition (presumably because SSE3 what the Athlon can not do) - that was synonymous with my purchase Magix Video 2008 ...

Thanks and greetings
Harald








Antwort von Markus:

"illd" wrote:
The audio bitrate was set to 8-bit ...

With DV, there are only 12 and 16 bit.

"TB" wrote:
After playing on many old DV tapes is the sound not synchronously. At the end, ultimately missing almost 1-2 seconds. [...] I have the sound on the whole image material "stretch".

Does this mean the picture is the sound of it? Initially synchronously and s.Ende no more? This is something to be corrected would be unfortunate, because such a stretched sound no longer sounds really good.



Antwort von TMaekler:

Yes, everything is initially synchronously, you can see it s.ca. 15 minutes duration, that it no longer is synchronously and s.Ende (after 60 minutes) is missing about 2 seconds sound. Something is in the recording with the old camera wrong.

The problem before I stand is that I have the soundtrack move it, but I get the sound is not "stretched". And then the problem that is 40 tapes, which is now synonymous to hard drive secured.

Thanks and greetings
Harald



Antwort von illd:

In retrospect do you the slightest effort with an audio program (eg SteinbergWavelab, Magic Samplitude Se 9)

The Time Stretch feature you could export the audio track without it acoustically conspicuous "long pull." The results are really cool.

Bissl is a trial and error until you had it synchronously, because the difference but yes every time the same tape should be yes, you can set the value to all applications.

Kuck look on the web for "Time Stretch" because there is certainly synonymous Freeware Now the can.



Antwort von Markus:

"Harald" wrote:
... everything is initially synchronously, you can see it s.ca. 15 minutes duration, that it no longer is synchronously and s.Ende (after 60 minutes) is missing about 2 seconds sound. Something is in the recording with the old camera wrong.

I would not have much on the old camera slide, because such a shift to continuous style, they have the sound between the increasingly time-saving and can absorb - and even after switching it off and battery changes.

I would be with a couple of tests ruled out that there is a general problem with the workflow, which may recur. Popular example of the error, DV recording does not natively as a DV-AVI to, rather than directly in any compression format to convert. Depending on the program, recruitment and performance there may be all sorts of quality loss, ussynonymous to a Picture-/Sound-Synchronisationsverlust.

In case of doubt, you can capture in Premiere with the times of WinDV compare. The latter is to me more and more for reference, especially in total "vergurkten" recordings, where on a tape and the same 4:3 / 16:9 and 12/16 bit and SP / LP are mixed.



Antwort von GeorgeIsOn:

Hello!

What do you think of it just the frame rate to increase?
The images are displayed shorter and remained so synchronously. The sound remains intact and the image quality suffers not synonymous.

Just as 30fps instead of 29.97 fps?

Regards
Lars




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