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VCD Cutter

Posted on 2001-06-29
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Last Modified: 2013-12-28
Currently I am using Microsoft Windows 2000. I am facing a problem with *.DAT (A movie) file. It is about 50:00 minutes (non-stop) but what I want is from 2:00 to 4:00, how can i cut this down ? (What software should I use ? How big its size ?)

All your comment/answer will be appreciated.

p/s: Hopes the software is freeware.
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Question by:ahchong
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Expert Comment

by:_marko_
ID: 6240388
Software:
http://www.virtualdub.org/


Video -> Select range
Start offset: 120000
Length: 120000


Marko
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Author Comment

by:ahchong
ID: 6240654
marko:
Thanks for your comment !!
I got a question, how can I set the offset and it's length ? base on what ? milisecond ? second ?

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Author Comment

by:ahchong
ID: 6240657
After I set the offset and length, is it save the movie ?
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Expert Comment

by:_marko_
ID: 6240674
Yes, the offset is in milliseconds.

After that you should choose
Audio -> Direct stream copy

And try to do a direct stream copy of the video also
Video -> Direct stream copy

And finally
File -> Save Avi

If you get an error about the video, then you have to compress the video. But try the direct stream copy to begin with and if it doesn't work then please come back and I will give further details.

Marko
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Author Comment

by:ahchong
ID: 6240728
Thanks for your reply !
I have just tested it. Finally its works !
My computer is Pentium MMX 200 MHz, seems that the sound/audio is not smooth, how can I solve this problem ?
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Author Comment

by:ahchong
ID: 6240737
After I set the Video -> Direct stream copy, I found that I can't preview it and it showed this problem:
The source video stream uses a compression algorithm which is not compatible with AVI files. Direct stream copy cannot be used with this video stream.
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Expert Comment

by:_marko_
ID: 6240770
>> sound/audio is not smooth, how can I solve this problem ?

You can resample the video. I believe the instructions for this is found in the help for VirtualDub.


>> The source video stream uses a compression algorithm which is not compatible with AVI files.


I was afraid of that.

Go to
Video -> Compression

And choose your favourite compression. If you have DivX installed it should show there (DivX MPEG 4 ;) Low-motion).

Then choose
Video -> Full processing mode

and
File -> Save Avi

If you don't have Divx installed then choose Microsoft MPEG 4 V1.

Marko

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Expert Comment

by:_marko_
ID: 6240778
I'm sorry. Don't choose Microsoft MPEG 4 V1! It makes a very large file!

I'll try some codecs.


BRB,
Marko
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Expert Comment

by:_marko_
ID: 6240791
Compressing the audio seems to reduce the file size dramatically.

Audio -> Compression
Mp3, and the quality you prefer.

Audio -> Full processing mode


But I'll check on some other video codecs too.

Marko
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Expert Comment

by:_marko_
ID: 6240819
Reducing the video size:

Video -> Filters -> Add -> 2:1

If you don't have the DivX codec installed then the codec you should use is
Intel Indeo 4.5, 5 or 5.11
Quality: 85
Force keyframes every: 10


Hope this helps.

Marko
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Author Comment

by:ahchong
ID: 6241496
Marko:
I have succesfully configure the video !
But seems that the sound/audio still not smooth, what should I do ? I don't know how to resample it..
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LVL 2

Expert Comment

by:_marko_
ID: 6241971
When you compress the audio the downsampling can be done at the same time: Just choose the lower bitrate for the audio.

Do you have an opportunity to try the video clip on another computer? Just to make sure it isn't the conversion that is going wrong? (I assume the original video is OK).

Marko
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Author Comment

by:ahchong
ID: 6242123
Yes, the original video is OK.
But when I play the movie (*.dat file), seems that the sound/audio is not smooth as normal.

Is it the problem with my computer ? My computer is Pentium MMX 200 MHz
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Accepted Solution

by:
_marko_ earned 50 total points
ID: 6242127
It's most likely to be your computer, but if you have access to a more powerful computer then I suggest you try the video on it to make sure it's not the conversion.


Marko
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Author Comment

by:ahchong
ID: 6242175
Thanks for your comment. I try it first :)
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