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afterdawn.com > forums > digital video > video - everything else > joining avi's with virtualdub help!
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Joining avi's with virtualDub help!
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GRHall
Junior Member
_ 		24. September 2005 @ 13:07 _ Link to this message    Send private message to this user   
I have joined avi's without problem in VirtualDub but tonight I had my first problem.

It says 'Cannot join because the Audio Streams have different data formats'

Here are the details I have managed to find about each avi

AVI 1
ac3, 48000hz, 5:1, 448kb/s

AVI 2
ac3, 48000hz, 5:1, 320kb/s

Can anyone tell me how I can sort this out please?

Thanks for any help!
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nrautava
Suspended permanently
_ 		30. September 2005 @ 04:43 _ Link to this message    Send private message to this user   
Use TMPGEnc

first change audio of that AVI2 to 448
then add that new audio to that video file.

Or change AVI1 audio to 320kb/s...
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This message has been edited since posting. Last time this message was edited on 30. September 2005 @ 04:47
GRHall
Junior Member
_ 		30. September 2005 @ 06:36 _ Link to this message    Send private message to this user   
Will give it a go thanks!
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DVDBack23
Staff Member

4 product reviews
_ 		3. October 2005 @ 10:23 _ Link to this message    Send private message to this user   
Why not use Virtual Dub?

Insert the first AVI go to Audio and select "full processing mode" and go to video and select "direct stream copy".
Save as a new AVI and then repeat with the second piece.
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GRHall
Junior Member
_ 		3. October 2005 @ 10:29 _ Link to this message    Send private message to this user   
I did use VirtualDub but with this AVI it gave the error message 'Cannot join because the Audio Streams have different data formats' as you can see from my origianl post there is a difference in the audio.

Have tried many ways to get round this but none work.

If you know a way could you explain in detail it would be very much appreciated.

Thanks
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DVDBack23
Staff Member

4 product reviews
_ 		3. October 2005 @ 11:41 _ Link to this message    Send private message to this user   
using my method you should get identical streams then you could join them.
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GRHall
Junior Member
_ 		4. October 2005 @ 09:41 _ Link to this message    Send private message to this user   
OK tried what you said and when I tried to save the first AVI it said

"No audio decompressor could be found to decompress the source audio format (Source format tag: 2000)

Hope you can help?
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KPeterson
Newbie
_ 		22. October 2005 @ 07:45 _ Link to this message    Send private message to this user   
DVDBack23 seems correct to me when using VirtualDub, provided you have the normal set of codes loaded for video and audio (NimoCodec Pack or FreeCodecs, etc...)

1. Load the first one and go to Audio and select full processing mode. Then select the audio compression from the compression menu. Select direct stream copy for video to leave the video compression alone. Then save the AVI as... whatever name you want for this part 1 of your video.

2. Repeat for the 2nd segment of your video using the same audio compression selection.

Proviso: in some cases you'd need to decompress the audio stream using the selection, "PCM no compression" so that it is raw. You'd need to do both video segments. Then when they are raw you should be able to join them and select an audio compression like LAME3 mp3 so that the resulting joined video isn't insanely huge.

Good luck
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vurbal
Staff Member

2 product reviews
_ 		22. October 2005 @ 08:47 _ Link to this message    Send private message to this user   
Moved To General Video Discussion forum
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Rich Fiscus
@Vurbal on Twitter
AfterDawn Staff Writer
celtic_d
AfterDawn Addict
_ 		23. October 2005 @ 21:20 _ Link to this message    Send private message to this user   
You would require an ACM AC3 decompressor to use full processing on the audio. This would most likely result in a 2 channel downmix.

As said you could re-encode the 320k AC3 stream to 448. You should then be able to join. ffmpeg or mencoder can re-encode the audio and remux the video in one go.
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GRHall
Junior Member
_ 		24. October 2005 @ 01:14 _ Link to this message    Send private message to this user   
OK guys thanks for the advice!
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