Reduce Highpitched Noise Postproduction In Videos

Make your video’s audio track sound better with the use of post-production tools.

When you’ve recorded a piece of video, there’s almost nothing more irritating than importing it to your video editing program and finding there’s a high-pitched noise or other audio interference on the track. Fortunately, after all your hard work, it’s good to know you always have the option of “fixing it in post.” To get the highest number of filters and options to fix your audio, you’ll need to use a quality video-editing program, such as Final Cut Pro or Adobe Premiere Pro. These instructions assume you’ve already imported your video to your video editor and dragged the video/audio clip to the Timeline.

Instructions

Final Cut Pro

1. Click the clip you want to adjust to highlight it.

2. Click “Effects” from the menu at the top of the screen, and then click “Audio Filters,” and then “Low Pass.”

3. Select “AULowPass” from the list of available filters.

4. View the “Filter” menu that appears. Drag the frequency slider bar to a lower number. This reduces higher-pitched sounds, while at the same time leaving lower-pitched sounds alone.

5. Preview your new audio sounds by placing your cursor over the track and pressing the “Space” bar. You will hear a beeping sound since the audio is not rendered, but you’ll be able to tell if your high-pitched sound is gone.

6. Select “Sequence” from the top menu, and then select “Render All,” and then “Both” to render the new effect on your Timeline.

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Adobe Premiere

7. Move your audio to SoundBooth — part of Premiere — by selecting the audio track you want to fix. Click “Edit,” then “Edit in Adobe Soundbooth.”

8. Highlight a portion of your audio that contains the high-pitched sound, but no other sounds.

9. Click “Processes” from the top menu, and then “Capture Noise Print.”

10. Select “Use Captured Noise Print.” This will remove the audio from the sample high-pitched sound.

11. Click “Preview” to hear the audio track. You can now save your audio, and the saved edits will be automatically reflected in your video Timeline in Premiere.