Why Premiere Pro sometimes makes audio sound worse

Premiere Pro can introduce unwanted background noise or make existing noise louder during editing, usually because of settings in the audio track itself or effects applied during import. The most common culprit is audio normalization — a feature that automatically boosts quiet audio to a standard level, which also amplifies any hum, hiss, or room tone underneath. Another frequent cause is the Loudness Radar or Essential Sound panel applying noise reduction that works backwards, or audio effects left on from a previous project.

The good news is that the noise is almost never permanent in your source file. It lives in your Premiere project settings or effects stack, which means you can remove it by turning off the settings that created it. This guide walks you through finding and disabling the most common noise sources.

Key Takeaways

  • Audio normalization in Premiere Pro can amplify background noise along with the intended sound — turn it off in the audio track settings if your audio was already at a usable level.
  • The Essential Sound panel and Loudness Radar can apply noise reduction or loudness matching that sometimes makes noise more noticeable instead of less.
  • Audio effects from a previous project sometimes carry over to new sequences — check your effects panel and remove anything you did not intentionally add.
  • Importing audio with the wrong settings can bake noise into the way Premiere reads the file — re-import the audio without normalization if the noise appeared during import.

Turn off audio normalization on the track

Audio normalization is the most common reason Premiere Pro makes noise louder. When you drag audio into a sequence, Premiere can automatically boost the volume to a standard level. If your audio was already quiet because it had a lot of background noise, normalization makes both the voice and the noise louder together.

Right-click the audio track header (the gray area on the left that shows the track name) and select Track Format. Look for a checkbox labeled Normalize to followed by a number like -20dB. If this box is checked, uncheck it. Click OK. Play back the audio — it should sound quieter overall, but the noise should no longer be amplified relative to the voice or music.

If unchecking normalization makes the audio too quiet to hear, you can raise the volume using the track fader (the horizontal slider on the track itself) instead. This gives you control without automatically boosting the noise.

Check the Essential Sound panel for unwanted noise reduction

The Essential Sound panel is Premiere's built-in tool for fixing audio problems, but it can sometimes make noise worse if it is set to the wrong category or if the noise reduction is too aggressive. Open the Essential Sound panel by going to Window > Essential Sound. Click on the audio clip in your sequence to select it.

Look at the category buttons at the top of the panel — Dialogue, Music, SFX, and Ambience. If your clip is labeled as Dialogue but it is actually music or sound effects, the panel is applying dialogue-specific noise reduction that may not work for your content. Try changing the category to match what the audio actually is.

If the audio is in the right category but still sounds noisy, scroll down to the Repair section and check whether Reduce Noise is turned on. If it is, try lowering the slider to the left or turning it off entirely. Sometimes the noise reduction algorithm makes certain types of noise (like hum or hiss) more noticeable instead of less.

Remove effects that are amplifying noise

Audio effects left over from a previous project or accidentally applied to a track can make background noise stand out. Click on the audio clip in your sequence, then look at the Effects panel on the right side of the screen. Under the clip name, you should see a list of effects applied to that clip.

Common noise-making effects include Parametric Equalizer (which can boost certain frequencies where noise lives), Compressor (which can make quiet noise louder relative to peaks), and Reverb (which adds space and can make noise more obvious). If you see any effect you did not intentionally add, click the small X next to it to remove it.

If you are not sure whether an effect is helping or hurting, click the eye icon next to the effect name to toggle it off temporarily and listen. If the audio sounds better without it, delete it. You can always add it back later if you change your mind.

Re-import audio without normalization

If the noise appeared the moment you imported the audio into Premiere, the problem may be in how the file was brought in. Delete the noisy clip from your sequence (right-click it and select Delete). Do not worry — this does not delete the original file on your computer.

Go to File > Import and select the audio file again. Before clicking Import, look for an Options or Settings button in the import dialog. If your version of Premiere shows import options, make sure Normalize is unchecked. Click Import and drag the file into your sequence again.

If Premiere does not show import options in your version, the normalization is happening at the track level instead. In that case, follow the steps in the "Turn off audio normalization on the track" section above.

Check the Loudness Radar settings

The Loudness Radar is a tool that measures and adjusts audio to meet broadcast standards. If it is enabled and set too aggressively, it can make background noise more noticeable. Open the Loudness Radar by going to Window > Loudness Radar.

Look at the buttons at the top of the panel. If any of them are highlighted in blue or green, loudness correction is active. Click the button labeled Loudness Standard and select None to turn off automatic loudness matching. This removes any automatic volume adjustments that might be amplifying noise.

If you need loudness correction for broadcast or streaming, leave this on but lower the aggressiveness by adjusting the Target Loudness slider. A less aggressive setting is less likely to amplify background noise.

Isolate the noise to confirm the source

If you have tried the steps above and the noise is still there, you need to figure out whether it is coming from Premiere or from the original audio file. Mute all other tracks by clicking the M (mute) button on each track except the noisy one. Listen to just that track in isolation.

If the noise disappears when you mute everything else, the problem is likely an effect or setting on another track affecting this one — check the effects on the other tracks and remove anything suspicious. If the noise is still there when only this track is playing, the noise is in the original audio file itself, not in Premiere. In that case, you may need to use a dedicated audio editor like Audacity (free) or Adobe Audition to remove it before bringing it back into Premiere.

Frequently Asked Questions

Can I undo changes I made to the audio settings?

Yes. Press Ctrl+Z (Windows) or Command+Z (Mac) to undo your last action. You can undo multiple times to go back to the state before you made changes. If you have already saved the project, you can also close it without saving and reopen the last saved version.

What if the noise only appears in the exported video, not in the Premiere timeline?

The export settings may be compressing the audio in a way that makes noise more obvious. When you export, go to File > Export > Media, click the Audio tab, and try increasing the Bitrate to a higher number like 320 kbps or 192 kbps. Higher bitrate preserves more audio detail and usually makes noise less noticeable.

Is the noise coming from my microphone or from Premiere?

Open the original audio file in a different program like Windows Media Player or QuickTime to hear it without Premiere's effects. If the noise is there in the original file, it came from the microphone or recording environment, not Premiere. If the noise only appears in Premiere, follow the steps above to find the setting causing it.

Can I remove the noise without affecting the voice or music?

Premiere's built-in noise reduction tools (in the Essential Sound panel) are designed to do this, but they do not always work perfectly. If the noise is very loud or the voice is very quiet, you may need a dedicated audio editor. Audacity (free) has a noise reduction tool that works better for difficult cases, though it requires exporting the audio, editing it separately, and re-importing it.