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At-Home Computer Work

Online E-Learning Course Audio Volume Normaliser

Run raw audio files from online video courses through audio software to balance volume levels between quiet speaking and loud slide transitions.

Startup Cost: £0 Location: Remote/Home Difficulty: Easy Useful side income A few hours a week

Earning and time figures are our broad estimates, not guarantees — actual results depend on your area, your effort and demand.

Why it's left-field

Course creators pay you to run their lecture audio through equaliser software so students do not get deafened by loud intro music.

How it works

  1. 1Post audio processing service listings on remote freelance portals.
  2. 2Import course audio tracks into digital audio software and apply decibel peak normalization filters.
  3. 3Export balanced audio files and deliver updated MP3 tracks to instructors.

Official platforms

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Get the Freelance Audio Editing Kit (£5)

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