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Activity Forums VEGAS Pro Audio peaks visible, but audio track not audible in preview or render

  • Audio peaks visible, but audio track not audible in preview or render

    Posted by Laura Baugh on June 2, 2023 at 12:23 am

    Hello! Back after a loooong hiatus with a question.

    I’m using Vegas Pro 18. Occasionally while editing, sound will disappear from a clip. Not the whole clip, just a portion. The audio peaks are still visible, but the previewer will not play the audio, nor will it render. (No, it’s not a muting issue; it affects just pieces of a clip, not the whole clip.)

    Rebuilding audio peaks and normalizing the audio have not been able to bring it back. Once or twice I’ve messed with something and suddenly the audio plays again, but I cannot duplicate the success.

    Now let’s get weird — today, I dropped another copy of the source media (audio plays just fine) in a lower track. At first, the lower track played while the upper did not.

    Then I muted the lower track, and the upper audio played again! Somehow restored!

    But that restoration worked only for the first of these two clips — which are from the same source media, just cut.

    On the second clip, the lower track also went silent, so there’s no audio from either track. Yet you can clearly see the peaks. Roughly a minute into the second clip, the audio suddenly starts playing mid-sentence.

    This happens rarely but it’s obviously a huge issue when it does. Any ideas? Thank you!


    Vegas Pro 18 Build 527 (purchased copy)
    OS: Win
    RAM: 32 GB
    Processor: Intel Core i9-10900K
    Graphics Card: NIVIDIA GeForce RTX3080, driver updated today

    Hector Vera replied 3 months, 3 weeks ago 2 Members · 3 Replies
  • 3 Replies
  • Hector Vera

    June 2, 2023 at 12:37 am

    That is very strange! I was wondering if the audio also cuts out when you play the video unedited outside of Sony Vegas or within the camera that you originally recorded it in. I have a camera where the audio will lower in volume by like 60-70% randomly sometimes so I had to raise the volume line within the audio clip to even it out. Not sure if something similiar is happening to you but the problem could be from the camera that recorded it or some bug happening within Sony Vegas itself. Keep me updated just incase 🙂

  • Laura Baugh

    June 2, 2023 at 6:00 am

    The source file plays normally outside of Vegas. It also plays normally when first loaded into Vegas, and then just a segment of the audio stops. It’s completely bizarre!

  • Hector Vera

    June 2, 2023 at 6:44 pm

    Yeah it sure is, I would try uninstalling and reinstalling your Vegas Pro to see if that fixes the issue. Let me know how it goes.

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