Record high‑quality Mandarin audio for AI training on a flexible part‑time contract (20+ hrs/week). Native Mandarin speakers with professional studio experience and clean recording setups can earn $20–$40/hr for a 1–3 month project.
Audio & Speech
100% Remote Hourly · $20–$40/hr
$20–$40/hr
Compensation
Worldwide
Eligibility
Entry
Experience
Jul 30, 2026
Posted
Open worldwide
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OpenTrain is the #1 platform for building careers in AI training and data labeling. We connect skilled freelancers with short‑ and medium‑term projects that help AI systems learn from human expertise.
As the hiring organization for this role, OpenTrain manages recruitment, project instructions, and payments so contributors can focus on quality recordings and growing a portable AI training portfolio.
About AI training work (audio)
AI training is the human work behind speech and language systems: recording and curating audio helps models learn pronunciation, tone, clarity, and natural speech patterns.
This project collects high‑fidelity Mandarin recordings and vocal samples so models can learn from structured, labeled human audio produced to professional standards.
The Role
We are hiring a Mandarin Audio Recording Expert to produce studio‑quality Mandarin recordings and vocal samples for AI training. This is a remote, part‑time contractor position managed by OpenTrain.
Work is estimated at about 20 hours per week for 1–3 months. You will follow detailed project guidelines, submit edited audio files, and incorporate feedback from the project team.
Data type: AUDIO; label types: AUDIO_RECORDING, DATA_COLLECTION
Employment: Contractor, Part‑time
Languages required: Mandarin (zh); worldwide applicants accepted
What you'll do
Produce clean, consistent Mandarin recordings that meet technical and linguistic project standards. Tasks emphasize audio fidelity, spoken clarity, and variety of vocal delivery.
Record high‑fidelity Mandarin audio using professional equipment and controlled environments
Deliver diverse vocal samples, tones, and pronunciations per project scripts
Edit and finalize audio files to remove noise and meet format/sampling requirements
Follow project guidelines for consistency and apply feedback from reviewers
Keep organized records of delivered files and project documentation
Requirements
The most important qualifications are native Mandarin pronunciation and demonstrated ability to deliver studio‑quality recordings. Meet all technical and communication standards listed below.
Native Mandarin speaker with clear, accurate pronunciation
Professional audio recording experience (voice‑over, narration, studio work, podcasting, etc.)
Comfort with advanced recording equipment and audio editing software
Ability to produce clean recordings with minimal ambient interference
Strong attention to detail in vocal delivery and technical setup
Clear written and verbal communication and ability to follow detailed instructions
Schedule, pay, and project term
This is part‑time, contract work with flexible scheduling. Expect roughly 20+ hours per week over 1–3 months depending on project needs.
Pay: $20–$40 per hour (hourly range), USD
Estimated project earnings: $3,200–$6,400 based on hours and duration
Worldwide applicants accepted; work remotely
How to apply and next steps
Apply through your OpenTrain profile. Qualified applicants will receive project guidelines, technical specs, and sample scripts to begin recording.
Successful contributors are expected to communicate professionally, submit files on schedule, and revise recordings to meet quality standards when requested.
Prepare examples or a short demo of recent Mandarin recordings if available
Ensure you have a reliable internet connection and a quiet recording environment before starting
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