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Paul_Gringo
Inspiring
September 20, 2026
Answered

When I use an audio crossfade on an audio track, the sound starts to hiss.

  • September 20, 2026
  • 1 reply
  • 18 views

I'm having issues with various projects in the last two versions of Premiere. Effects aren't being applied. The footage is from Sony and Panasonic cameras and various microphones. I've mainly noticed that this audio glitch occurs during quiet moments, when the speaker pauses and then starts speaking again. Please fix this.Please don't suggest that I need to reinstall or update anything. Everything has been deleted and updated! I'll say it again—different projects, different cameras, different versions of Premiere, and no effects!I'll add that this sound isn't present on the original audio track. The audio is clear. It occurs during the transition. The longer I set the transition duration, the longer the sound will last. If I set the transition duration to 15 seconds, the grinding sound will last 15 seconds. But on camera, this sound. The worst part is that this effect persists when rendering. It's really important for me to fix this—please help! 

    Correct answer Kevin-Monahan

    Hi Paul,

    Thanks for the detail — this points to one or two specific causes, not a general bug.

    By default, Premiere's crossfade uses a Constant Power curve, which boosts gain up to ~3 dB at the transition's midpoint to keep loudness smooth. That boost is inaudible under speech but raises the noise floor during pauses — hence the hiss, and why longer transitions = longer noise.

    Fix: switch to Constant Gain (no midpoint boost).

    • One-off: right-click the transition → Constant Gain

    • Default going forward: Preferences > Audio > Default Audio Transition

    If any hiss remains after that, it's just mic self-noise — clean it up with Essential Sound > Repair > Reduce Noise (or Enhance Speech), not a transition issue. If you are using compressed formats, like .mp3, try .wav or .aif instead. That can also help.


    Let us know if this clears it up.

    Thanks,
    Kevin

    1 reply

    Community Manager
    Kevin-MonahanCommunity ManagerCorrect answer
    Community Manager
    September 21, 2026

    Hi Paul,

    Thanks for the detail — this points to one or two specific causes, not a general bug.

    By default, Premiere's crossfade uses a Constant Power curve, which boosts gain up to ~3 dB at the transition's midpoint to keep loudness smooth. That boost is inaudible under speech but raises the noise floor during pauses — hence the hiss, and why longer transitions = longer noise.

    Fix: switch to Constant Gain (no midpoint boost).

    • One-off: right-click the transition → Constant Gain

    • Default going forward: Preferences > Audio > Default Audio Transition

    If any hiss remains after that, it's just mic self-noise — clean it up with Essential Sound > Repair > Reduce Noise (or Enhance Speech), not a transition issue. If you are using compressed formats, like .mp3, try .wav or .aif instead. That can also help.


    Let us know if this clears it up.

    Thanks,
    Kevin

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