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Thread: VirtualDub won't save my file in H.264 if I try to add an audio track

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    Senior Member Patrol1985 is on a distinguished road Patrol1985's Avatar
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    VirtualDub won't save my file in H.264 if I try to add an audio track

    The title says it. I installed VirtualDub and x264vfw. I captured screenshots and the audio track from a QL demo using WolfCam (so far so good...).

    However, when I try to turn JPEGs into a video compressed with x264 using VirtualDub, I get an error:

    "effective timebase denominator <a big number here> exceeds H.264 maximum"

    This happens only when I include the audio track. It doesn't matter if I want to splice it with the video compressed or not. The error occurs.

    If I choose "no audio", the video is processed correctly. What am I doing wrong?

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    Senior Member M0SLEY is on a distinguished road M0SLEY's Avatar
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    I think there may be some kind of issue with audio in the new version of Wolfcam. When I render out an .avi the audio is always super messed up and I have to record it separately.

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    Senior Member Patrol1985 is on a distinguished road Patrol1985's Avatar
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    I see. How can I record the audio separately then?

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    Senior Member swampy will become famous soon enough swampy will become famous soon enough swampy's Avatar
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    Quote Originally Posted by M0SLEY View Post
    I think there may be some kind of issue with audio in the new version of Wolfcam. When I render out an .avi the audio is always super messed up and I have to record it separately.

    MOSLEY.. Try turning down the audio to 60% before recording (Its turned up way too high in WC. Then use Handbrake to compress the .avi. Works for me.

    I use wolfwhisperer with WC 11.0test13
    Last edited by swampy; 10-19-2014 at 08:02 AM.
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    Senior Member M0SLEY is on a distinguished road M0SLEY's Avatar
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    Quote Originally Posted by swampy View Post
    MOSLEY.. Try turning down the audio to 60% before recording (Its turned up way too high in WC. Then use Handbrake to compress the .avi. Works for me.

    I use wolfwhisperer with WC 11.0test13
    I don't think that's the problem. It isn't distorted or anything, there's only audio for the first few seconds of the clip and then it cuts out.

    Quote Originally Posted by Patrol1985 View Post
    I see. How can I record the audio separately then?
    I use Shadowplay or Fraps, but you can use whatever you want. You're only using the audio track so it doesn't matter if you use a free demo version of something too, as long as the audio quality is good.

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    Senior Member swampy will become famous soon enough swampy will become famous soon enough swampy's Avatar
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    "I don't think that's the problem. It isn't distorted or anything, there's only audio for the first few seconds of the clip and then it cuts out"

    Did you try to compress the avi with Handbrake yet, instead of VD?
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    Senior Member Patrol1985 is on a distinguished road Patrol1985's Avatar
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    Quote Originally Posted by M0SLEY View Post
    I don't think that's the problem. It isn't distorted or anything, there's only audio for the first few seconds of the clip and then it cuts out.
    I also think that's the issue. I tried recording a 5 second clip and all went ok. However, when I try to make a movie from a whole sound track VirtualDub crashes.

    Quote Originally Posted by M0SLEY View Post
    I use Shadowplay or Fraps, but you can use whatever you want. You're only using the audio track so it doesn't matter if you use a free demo version of something too, as long as the audio quality is good.
    I tried FRAPS, but the free version only allows one to record 30 seconds. I asked wdx on IRC and he recommended me Open Broadcaster Software or Soundcapture. I'll try those.

    EDIT:

    I found a solution!!! And it doesn't require any other piece of software. Here's the deal: when I try to create a movie from separate screenshots and add an audio track in one go, VirtualDub will crash.

    However, if I first create a no-audio movie from screenshots and THEN splice the audio with the movie, the process will go ok

    Here is a youtube clip created via the above method:

    http://www.youtube.com/watch?v=ouydP3dtwl4

    That's 720p encoded with H.264 at 30 FPS. What do you think? Is the quality ok, or could I make some adjustments?
    Last edited by Patrol1985; 10-20-2014 at 03:29 PM.

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