Quantcast Sound is Choppy and the Video Runs Slow - digitalFAQ.com Forums [Archives]
  #1  
04-09-2004, 09:54 AM
Hawk_dk Hawk_dk is offline
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Hi Y'all im having a problem, maybe burning problem

when i playback the movie in my dvd player , sometimes the sound is choppy and the video runs slow.

i've tried everything burning slower e.t.c

I'm allways using optimal script and it's not all my kvcd who dos that only once in a while. plz help
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  #2  
04-09-2004, 10:11 AM
Prodater64 Prodater64 is offline
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Quote:
Originally Posted by Hawk_dk
I'm allways using optimal script and it's not all my kvcd who dos that only once in a while. plz help
First at all, ask yourself if you encode this movie in some different way than previously.
If you don't resolve your problem in that way, analyze your movie with bitrate viewer and take a look, searching for btr too high or too low (under 300), maybe this is the reason of your problem.
Do you still have the problem? Give us some more information.

See you.
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  #3  
04-09-2004, 10:18 AM
Hawk_dk Hawk_dk is offline
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Hola ! Prodater64.

Tnx for your quick reply .

I'll use a bitrate wievr ehn i got some sparetime tnx...

Btw some times it's only audio who sounds choppy
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04-09-2004, 11:54 AM
kwag kwag is offline
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Quote:
Originally Posted by Hawk_dk
when i playback the movie in my dvd player , sometimes the sound is choppy and the video runs slow.
You probably encoded your audio at 48Khz instead of 44.1Khz.

-kwag
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04-09-2004, 12:06 PM
Hawk_dk Hawk_dk is offline
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Tnx Kwag i'll try with 44,1 and see


btw tried my mpg with bitrate viewer and lowest br was 405 and max 1556
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  #6  
04-09-2004, 12:21 PM
Prodater64 Prodater64 is offline
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Quote:
Originally Posted by Hawk_dk
... tried my mpg with bitrate viewer and lowest br was 405 and max 1556
That's ok.
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  #7  
04-09-2004, 03:34 PM
Hawk_dk Hawk_dk is offline
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Tried it with an 44.1 mp2 but still the same problem.

The audio chubs and the video sometimes slows a little.

Damn an encoding problem ???? no problem when viewed on my computers cd reader.

Help me plaese same script but not all my kvcd has that problem
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  #8  
04-09-2004, 03:41 PM
Prodater64 Prodater64 is offline
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I think that you are testing with same cdrw. Change for other please, so discard media failure.
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  #9  
04-16-2004, 12:17 PM
jeewee jeewee is offline
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Quote:
when i playback the movie in my dvd player , sometimes the sound is choppy and the video runs slow.
I have a similar problem when I play my own encoded KVCD on my Kiss DP-500. Playback from CD is choppy and a little bit too slow.

When I play the file streaming via the network (a thing a Kiss DP-500 allows you to do ) the file plays fine. I therefore conclude that it is not a muxing or an encoding problem.

Can it be a burning problem. I have burnt the files using Nero 6.

Jurgen
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  #10  
04-17-2004, 01:14 PM
jeewee jeewee is offline
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I have found what the problem was!

The audio was 48KHz. Appearantly this is a non-standard sample frequency. It caused the slowed down audio.

I recoded the audio with HeadAC3he to 44.1 KHz. De movie plays fine, no choppy video and no slow audio
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  #11  
04-17-2004, 04:52 PM
jorel jorel is offline
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Quote:
Originally Posted by jeewee
I have found what the problem was!

The audio was 48KHz. Appearantly this is a non-standard sample frequency. It caused the slowed down audio.

I recoded the audio with HeadAC3he to 44.1 KHz. De movie plays fine, no choppy video and no slow audio
very nice,

i saw lots of people with 48Khz problems before too...
and it's strange cos 48Khz is dvd compliance!

please, answer me only to remove doubts.
was used headac3he to get the first audio 48Khz or another encoder
and what source ? ( wave,ac3,mp3,..etc??? )

thanks in advance!


jeewee...welcome in forum
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  #12  
04-18-2004, 03:52 AM
jeewee jeewee is offline
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Quote:
was used headac3he to get the first audio 48Khz or another encoder
and what source ? ( wave,ac3,mp3,..etc??? )
I used HeadAC3he and the input data was a AC3 audio stream.

I found out about this when I used VCDEasy to make the VCD image file. VCDEasy reported that the 48kHz sample rate was not standard compliant for VCD's. I recoded the audio to 44.1 kHz and voila: no problems
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  #13  
04-18-2004, 06:08 AM
jorel jorel is offline
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Quote:
Originally Posted by jeewee
Quote:
was used headac3he to get the first audio 48Khz or another encoder
and what source ? ( wave,ac3,mp3,..etc??? )
I used HeadAC3he and the input data was a AC3 audio stream.

I found out about this when I used VCDEasy to make the VCD image file. VCDEasy reported that the 48kHz sample rate was not standard compliant for VCD's. I recoded the audio to 44.1 kHz and voila: no problems
all right and thanks....very clear!

hint..(if i can call it hint) :

my 2 players works perfect using 48K.....
I used VCDEasy to make the VCD image file too,
VCDEasy reported that the 48kHz sample rate was not standard compliant for VCD's
and i simple "ignore" the advice and do the image....
i think that with some players works with 48k others don't like it!
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