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OpenTrain

Music Instrument Audio Evaluator

You will evaluate short audio clips of musical instruments and classify what you hear. You will use audio references and detailed guidelines to make consistent, accurate decisions.

Field
Voice & audio
Where
Remote
Commitment
part time
Posted
1 month ago

The full listing

As posted on OpenTrain AI. See the original

The Work

You will evaluate short audio clips of musical instruments and classify what you hear. You will use audio references and detailed guidelines to make consistent, accurate decisions.

  • Listen to short clips of musical instruments.
  • Identify the instrument family, such as strings, brass, woodwind, percussion, or keyboard.
  • Identify the specific instrument in each clip.
  • Use provided audio references to guide your decisions.
  • Complete all tasks during the two-day project window.

What It Pays and Takes

This is a fully remote, fixed-price contractor project with flexible hours. The role is listed as entry level, but applicants must meet the education and experience requirements below.

  • Pay: $150-$160 USD for the full project.
  • Schedule: Flexible hours across a two-day project window, with a 20+ hour weekly time requirement.
  • Location: Worldwide and fully remote.
  • Language: Strong English communication skills.
  • Education: Bachelor's degree in music or a related field.
  • Experience: At least three years in music performance, production, audio engineering, or similar work.
  • Skills: A trained ear and strong ability to recognize instruments by sound.
  • Work style: Comfortable with focused, repetitive listening tasks and independent remote work.
  • Helpful background: Transcription, remixing, music information retrieval, or AI and data annotation experience.
  • Project type: Part-time contract work with a fixed price.
  • Possible continuation: Strong performers may be offered extension opportunities.

How It Works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI Training Work

AI training uses examples reviewed and prepared by people to help artificial intelligence systems improve. Audio evaluators are paid for careful listening and consistent judgments because their work helps models better understand and generate sound.

How OpenTrain AI pays and hires

OpenTrain says it is free for freelancers, with no fees or subscriptions. Clients fund each milestone before work starts, and OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.

Create a free profile with your domains, languages and hourly rate, then apply to listings. Some listings hire through OpenTrain; others link you straight to the hiring platform.

Source: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts

Full OpenTrain AI profile: watch-outs and worker reports →

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