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Strange audio problem in Premiere Pro CS6

Aug 10, 2012 8:12 AM

Tags: #audio #premiere_cs6


I have encountered a very strange problem. I am editing a documentary film in Premiere Pro. All material has been shot on the Sony FS 100 camera - imported into PP with the Media Browser. In one interview the last part of a clip has corrupted audio. At one point on the timeline the audio stops playing, and it sounds like a scratch on a vinyl record - two words repeating themselves to the end of the clip (See screenshot of timeline). The images are as they should. When I open the Avchd source clip in VLC the audio is working. When i Import the clip into Final Cut 7 using Log and Transfer the audio is working. My only other option would be that there is a software problem with Premiere Pro CS6. Any ideas of how to fix this issue?


Screen Shot 2012-08-10 at 4.52.44 PM.png

Version PP: 6.0.1

Source footage: MPEG-4 AVCHD (1080/25p - Sony FS100)


Version mac: OS x 10.8

Model Name:     Mac Pro Mid 2010

Processor Name:     Quad-Core Intel Xeon

Processor Speed:     2.4 GHz

Number Of Processors:     2

Total Number Of Cores:     8

Memory: 20 GB

Graphics Card: NVIDIA GeForce 570 GTX

Third-party I/O: Matrox MXO2 with Max

Mercury Playback Engine: Software mode

  • Currently Being Moderated
    Aug 10, 2012 8:15 AM   in reply to williamjobling

    One similar, potential problem, that can develop, is when the Conforming process is interrupted, before it completes 100%.


    A quick way to rule that out, would be to navigate to the Media Cache files, and Delete the CFA and PEK (Waveform Display) for that Clip, outside of Premiere Pro. Then, when you launch PrPro and Open your Project, the program will recreate both of those files. There is a little progress bar, that many do not notice. Let it complete 100%, before even touching the computer. Test.


    I hope that it is as simple as that.


    Good luck,



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  • Currently Being Moderated
    Aug 10, 2012 9:24 AM   in reply to williamjobling

    Great news!


    Thanks for reporting your success. Now, you can mark your question as "Answered."


    Good luck,



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  • Currently Being Moderated
    Aug 1, 2013 9:40 PM   in reply to Bill Hunt

    Thank you so much! Was just having this exact problem in CC (7.0.1), and this worked like a charm! I deleted everything within both the /Media Cache and /Media Cache Files folders though.

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