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| locdawg18 |
| Posted: Oct 15 2002, 03:19 AM |
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Unregistered
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i opened a file in vdub and was checking the information, and the audio codec is listed as unknown (tag 2000). WHich codec is this, and where can i get it? Also, i cant uncompress or recompress the audio, is there any way around that without having a particular codec? |
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| Neo Neko |
| Posted: Oct 15 2002, 06:21 PM |
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VirtualdubMod Alpha tester
Group: Vdubmod Alpha Testing Team
Posts: 474
Member No.: 24
Joined: 11-July 02
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IIRC it is AC3 encoded audio. Apart from that I can not suggest any other things to help that I know would workf for sure. |
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| ChristianHJW |
| Posted: Oct 15 2002, 06:38 PM |
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Advanced Member
Group: Moderators
Posts: 1768
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try to open it in nandub ( based on vdub ), get it from www.doom9.org ...
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| locdawg18 |
| Posted: Oct 16 2002, 07:08 PM |
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i tried in nandub but i still get the same audio information....unknown(tag 2000)...do i need to download a codec...and if so which one? |
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| ere109 |
| Posted: Oct 20 2002, 04:48 PM |
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Loc,
I too had a movie with the tag2000 file header that I could hear no audio through. The search for answers regarding that issue are what brought me here.
After much research last night, I did find a way to play the file and get audio. After reading Neo's post about ac3, I did some looking around and found a codec pack that included an ac3 decoder.
http://www.divx-digest.com/software/nimo_pack.html
Unfortunately, I still can't get the file to open up in V-dub with sound, but WMP can play and scroll. You can watch the movie afterward. I'm still searching for a Vdub fix, because I wouldn't want to burn a film that I didn't have a master codec for.
Hope this helps,
E |
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| ChristianHJW |
| Posted: Oct 20 2002, 05:38 PM |
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Advanced Member
Group: Moderators
Posts: 1768
Member No.: 2
Joined: 7-July 02
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If WMP can play the file then you may always try to frameserve the movie to Virtualdub using AVISynth and its 'DirectShowSource' command.
If the audio is AC3 ( try to render the file in Graphedit and you know whats going on .. get GE from www.doom9.org ) then there is no way to 'master' the codec in Vdub, there is no such thing as an AC3.acm audio codec. Only nandub and a few other proggies can mux AC3 into AVI by adding a WAV/RIFF header to the AC3 first ....
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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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| Morsa |
| Posted: Oct 22 2002, 01:56 PM |
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Moderator of the Vdub support board
Group: Moderators
Posts: 640
Member No.: 246
Joined: 9-September 02
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can't the audio be splitted and then opened with a soft that supports AC3??
Could avisynth be used for this frightening task???
Who knows?..........not me. |
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| ChristianHJW |
| Posted: Oct 22 2002, 06:23 PM |
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Advanced Member
Group: Moderators
Posts: 1768
Member No.: 2
Joined: 7-July 02
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If an AC3 dshow filter is installed on this machine it might even be possible to use AVISynth to frameserve the sound ( if it is AC3 ). Best take is to use BeSweet ( www.doom9.org ) or HeadAC3he ( www.everwicked.com ) and transcode the AC3 to MP3 or MP2 ... demux it from the AVI with nandub first ...
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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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| locdawg18 |
| Posted: Oct 28 2002, 08:19 PM |
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Unregistered
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i figured this one out finally. thanks for all the help guys. So Virtual DUb has no support for ac3? was that a result of a lawsuit or something or just something that is being worked out in upcoming releases? i used ac3dec to decode the audio to wav and then used tmpgenc to encode into an svcd...so now another question...will this degrade the quality in any way? or is just a compression thing? sorry guys im still learning |
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