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Forums Adobe Premiere Pro Why does rendering audio previews and peak files take sooo long?

  • Why does rendering audio previews and peak files take sooo long?

  • Tod Hopkins

    April 20, 2020 at 1:58 pm

    Why is rendering audio so often difficult in Premiere? Auto-Waveform rendering is off on all my machines. It cripples playback when I load multi-track original. I’m just talking Sony MXF original, not something special. The gain command takes forever to generate a peak file. In one version of the software, it was so bad I had to stop using it. It’s okay now, but still stupidly long.

    I’m currently trying to “Render Audio” for a five minute sequence because this sequence simply won’t play, and it appears to be related to audio. It currently estimates 8 hours! Why? I can export the sequence in a couple of minutes, but it can’t create audio preview files?

    This is not a particular problem,but an issue I’ve noticed for years on multiple machines through multiple versions of OS and software.

    Is it just me?

    Tod Hopkins
    Hillmann & Carr Inc.
    Washington, DC

  • jerry wise

    April 21, 2020 at 12:49 am

    I guess no one cares to respond.
    Maybe no one knows the answer.

  • Tod Hopkins

    April 21, 2020 at 2:54 pm

    I accept that it was a pretty vague and probably unanswerable question.

    I believe it does not have a single answer, but rather a more general one: neglect of the audio components within Premiere. Just like exporting directly from Premiere isn’t as stable as transcoding in Encode, Premiere doesn’t handle audio as well as Audition. And audio has never been Adobe’s strength in any case.

    In my specific case yesterday, the audio was not the root of the problem, just the obvious symptom. Eventually, I solved the problem by deleting all previews, both video and audio. Yes, everything worked fine once nothing was rendered, as one might expect. ????

    You might think this would absolve the audio, but it doesn’t since it was obvious that it was audio playback that was choking. For instance, any time the sequence hit an MP3 original (always a struggle for Premiere) it choked. Two channels of audio or unrendered peak files also triggered choking. It was clearly changes in the audio load, not the video, that triggered failures. Once the basic resource was clear, the system could once again handle the audio load.

    By the way, the video is multi-cam 4k. No apparent problems with video-only.


    Tod Hopkins
    Hillmann & Carr Inc.
    Washington, DC

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