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| nikehair |
 Posted: Aug 20 2002, 03:19 AM |
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Unregistered
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The file is actually 85 minutes long and its a concert...I would like to compress it to be 700 megs or less so that I can back it up.
Here are the file specs...
Bitrate-Unknown
Audio Codec-WmPlug
Video Codec-MPEG Video Decoder
So how exactly am I supposed to compress this? I try opening it and saving as AVI but is says it would be 1.6 gigs. Please help! |
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| BaronVlad |
| Posted: Aug 20 2002, 07:59 PM |
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Terrorhörnchen
Group: Moderators
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Hi nikehair,
1. Load the Video in VirtualDub (File open...)
2. Set Audio Direct StreamCopy
3. Set Video Full Processing Mode
4. Apply Filters if you need (you can also try without at first)
5. Set Video Compression Divx 5.02 (for example)
6. Fill in the calculated Bitrate (should be about 996 for a 85 minutes movie with sound @128kb mp3)
7. Set the other codec things if you like to
8. in the codec menu set "2pass first pass"
9. File save as avi "name1"
Then wait a bit (~one hour or so, depends on your hardware and filters etc..)
10. Set Video Compression Divx5.02 "2pass second pass"
11. File save as avi "name2"
wait for the second pass
12. File Open "name2" in VirtualDub
13. Set Audio Full Processing Mode
14. Set Video Direct stream Copy
15. Set Audio Compression MPEGLayer 3 128kb
16. File save as avi "final"
You should get anDivx avi with mp3 audio @700 MB, if the filesize is less, it is because of the compressibility of the movie. You wont get a larger file by chosing a higher bitrate. This is Max.
Hope it works 
Cheers BaronVlad
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Hochachtungsvoll
BaronVlad
Deutsch >> Capture FAQ - Capture Guide
Englisch >> Capture FAQ - Capture Guide |
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| ChristianHJW |
| Posted: Aug 20 2002, 08:20 PM |
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Hmmm ..... dont want to interrupt the nice conversation you 2 have here, but what about burning on a 90 mins CD ? Should be the much easier way compared to rencoding ?
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| BaronVlad |
| Posted: Aug 20 2002, 08:30 PM |
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Terrorhörnchen
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| QUOTE (ChristianHJW @ Aug 20 2002, 02:20 PM) | | Hmmm ..... dont want to interrupt the nice conversation you 2 have here, but what about burning on a 90 mins CD ? Should be the much easier way compared to rencoding ? |
Sure it is much easier, but only if you are sure, that your "Toaster" can fix 90 Min CDs and every drive will play it afterwards.
He asked for compression - he got the answer for compression 
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Hochachtungsvoll
BaronVlad
Deutsch >> Capture FAQ - Capture Guide
Englisch >> Capture FAQ - Capture Guide |
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| ChristianHJW |
| Posted: Aug 20 2002, 09:00 PM |
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... BaronVlad, you are right about the problems with burning ( and reading ) 90 mins CDs.
Another ( good possibility ) was to use mode2cd creator and dshow filters from avih and de_xt, this allows you to burn 800 MB on a normal 80 mins CD without overburning, but unfortunately AVI is not the right format for this ... you'd have to convert into Ogg format after creating the AVI  ....
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Visit the unofficial Virtualdub support forum on http://forums.virtualdub.org - help to reduce the big number of emails Avery Lee is getting every day !!
Support matroska as container and Gstreamer as the only truely open, x-platform multimedia platform .... |
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| BaronVlad |
| Posted: Aug 20 2002, 09:12 PM |
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Terrorhörnchen
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Yes Christian,
he could create such a file but he maybe would get probs, with ogg and divx (known decoder probs) means "trembling" horribly video and audio problems, I had these often and could not really fix this (not with ffdshow, not with koepis oggmux, not with graphedit, not with combineaviogg). But I think this will be fixed with the next decoder version of divx...but when ???
Also he could easily get a damaged file, if the cd gets damaged a bit, with "normal" 700 MB avi he wont.
Please correct me, if I am wrong, maybe there was no such problem or it is fixed now...?
But he had to compress it anyway 
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Hochachtungsvoll
BaronVlad
Deutsch >> Capture FAQ - Capture Guide
Englisch >> Capture FAQ - Capture Guide |
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| nikehair |
| Posted: Aug 21 2002, 04:14 AM |
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thanks for the help i am still in the process of doing this...cheap hardware i had to wait 4 hours for first pass...but when i played the file there was no picture! |
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| ChristianHJW |
| Posted: Aug 21 2002, 05:33 AM |
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There is no picture after 1st pass !!
During 1st pass the codec will only collect information of the movie, more exactly about every single frame the movie has.
The real, playable MPEG4 file is then generated during 2nd pass, using the information from 1st pass.
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Support matroska as container and Gstreamer as the only truely open, x-platform multimedia platform .... |
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| nikehair |
| Posted: Aug 21 2002, 10:58 AM |
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it wont let me change audio compression to mp3...the pass2 file is ever bigger than the first mpeg... |
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| BaronVlad |
| Posted: Aug 21 2002, 04:58 PM |
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Terrorhörnchen
Group: Moderators
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You get such a huge because your audio is uncompressed, because of this you have to compress the audio to mp3. Therefor you have to install a mp3 codec, the radium codec for example. You can find it here: http://www.riphelp.com/downloads/radium_codec.html
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Hochachtungsvoll
BaronVlad
Deutsch >> Capture FAQ - Capture Guide
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| ChristianHJW |
| Posted: Aug 21 2002, 07:28 PM |
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Attention Baron Vlad ! Radium codec is illegal and on the ban list of this forums :-) ... but certainly the advice was correct :-D !!
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Visit the unofficial Virtualdub support forum on http://forums.virtualdub.org - help to reduce the big number of emails Avery Lee is getting every day !!
Support matroska as container and Gstreamer as the only truely open, x-platform multimedia platform .... |
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| BaronVlad |
| Posted: Aug 21 2002, 08:15 PM |
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Terrorhörnchen
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 sorry
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Hochachtungsvoll
BaronVlad
Deutsch >> Capture FAQ - Capture Guide
Englisch >> Capture FAQ - Capture Guide |
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| nikehair |
| Posted: Aug 22 2002, 12:05 AM |
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Unregistered
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i got the file small!!!
but the picture is gone...i am sure i did something wrong but i will retry this...thanks for your help i really appreciate it...any marley fans out there? |
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| BaronVlad |
| Posted: Aug 22 2002, 06:09 PM |
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Terrorhörnchen
Group: Moderators
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What is your actual file size ? Is it 700 MB or much under ?
Maybe you opened the file that was created during the first pass and compressed the audio ?
You have to open the output file of the second pass and compress the audio. (video directstreamcopy and audio full processing mode). This should work. During the first pass, the codec only looks at the video and compares different scenes. The real movie is written during the second pass.
Dont know, what else could be wrong, if you followed exactly the instruction above, I never had such a problem when doing it. 
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Hochachtungsvoll
BaronVlad
Deutsch >> Capture FAQ - Capture Guide
Englisch >> Capture FAQ - Capture Guide |
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| nikehair |
| Posted: Aug 22 2002, 08:00 PM |
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Unregistered
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i did it again this time just one pass and mp3 compression and got the file to 650 megs and it works...with divx player....in media player it freezes but i guess this is good enough...
i wanted to encode at higher mp3 bitrate but oh well i need a small file...thanks for the help Baron... |
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