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GraceAndCorbett
GraceAndCorbett
Inspiring
October 26, 2023
Answered

Audio Scratchy/Distorted Inconsistently in Timeline and Export

  • October 26, 2023
  • 12 replies
  • 3552 views

We have an 11-episode series, 30 min apiece, each ep is a project within a production. Some of the video footage is from Zoom interviews or phone cameras, and the audio from these two sources has become increasingly glitchy upon playback in Premiere Pro 2024, or upon export to H264.  Now the problem is eating into other audio types that are perfectly high-fi.

Media cache has been completely emptied, audio input set to 'None'.

-If I reboot the PC, the problem is sometimes fixed

-If I restart Premiere, the problem is sometimes fixed

-If I cut the glitchy sequence and then paste it back again, the problem is sometimes fixed

-Some portions of the same source footage will glitch within the timeline/export, while others will not

-Some Zoom interviews will glitch within the timeline/export, while others with identical codec will not

 

PC specs:

Upgraded to Premiere Pro 2024

Windows 10 Pro v22H2, 64-bit

HP Z840 workstation

Intel(R) Xeon(R) CPU E5-2667 v3 @ 3.20GHz 3.20 GHz (2 processors)

64 GB RAM (52 allocated to Premiere)

Upgraded GPU GeForce RTX 3070

 

Not aware of a way to reinterpret the audio like we do the color space. Please help!

    Correct answer GraceAndCorbett

    OK Adobe, here's how dumb this glitch is proving to be:

    -Source audio 32k

    -Subsequence setting 48k

    -Master sequence setting 48k

    -Export setting 48k

    The above gives the robot voice scratchy audio quality

    BUT if I simply change the master sequence setting to 44.1k, the export is fine.

    The audio rate now looks like this: 32k->48k->44.1k->48k

    This is basically the equivalent of shaking a vending machine, or thunking an old TV.

    12 replies

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    GraceAndCorbett
    GraceAndCorbettAuthor
    Inspiring
    October 26, 2023

    UPDATE 2:

    -Tried opening project in Premiere Beta, export had similar problem though slightly different.

    -Tried stripping ALL audio processing by clearing audio type, export had exactly same issue, so it's not the essential sound processing either

    Getting a little desperate here

    GraceAndCorbett
    GraceAndCorbettAuthor
    Inspiring
    October 26, 2023

    UPDATE: Have tried lots of fixes, none reliably fix problem:

    -Duplicated master sequence and sub-sequences in case they were corrupted

    -Exported directly from Premiere and with Media Encoder

    -Exported (both ways) subsequences to see if problem was in nesting

    Sometimes the scratchiness is only at the very beginning of the audio clip, sometimes the whole audio file is scratchy

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