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AI & Digital

Synthetic Voice Whispering Phoneme Sibilance Annotator

Listen to synthetic whispered audio tracks and highlight unnatural breath noises or clipped sibilant consonant sounds.

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

Speech software developers pay you to listen closely to robotic whispering voices to flag unnatural mouth noises.

How it works

  1. 1Log into audio annotation platforms hosting voice synthesis datasets.
  2. 2Listen to synthetic whispered audio clips and mark awkward phoneme timestamps.
  3. 3Rate overall vocal naturalness on acoustic rating scales.

Official platforms

Get the AI Training Work Starter Kit (£5)

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