Uploaded January 2024 | Updated September 2026, 2 weeks ago

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Finding and removing subaudio from sample files with a waveform editor.

Subaudio are frequencies below the range of human hearing (below 20Hz). These frequencies can sneak into our recordings, and work against us in a number of ways. If we can address subaudio in our samples, we can do ourselves a favor in the later stages of our mixing process.

0:00 Defining Subaudio
0:59 Example 1: Spotting Subaudio
2:04 Example 1: Doing the Math
2:50 Why Did This Happen?
3:11 Removing Subaudio with Parametric EQ
5:53 Example 2: Not Really Subaudio
7:27 Harmonics of Subaudio
8:31 Example 3: Trimming
9:15 Example 4: Bringing It All Together
10:16 Closing. Next Steps

More on Scott Wyatt and his Music: seamusonline.org/interview-with-scott-wyatt

More on Subaudio and DC Offset: youtu.be/UlN3PwqL6So?si=09PpNvl1CDmEJbQm
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