Audio Annotator

Review pre-segmented audio recordings, verify word-level segment accuracy, and correct timestamp or transcription errors to support training data for speech-to-speech AI models 

Engagement Type: Freelance (Pilot) 

Rate: USD 4.55/hour 

Estimated Hours: 30 hours/week

• →Listen to short audio clips and review automatically generated word-level segments (start timestamp, end timestamp, transcription)
• →Verify segment boundaries align with actual speech onset and offset
• →Review start/end timestamps when boundaries are inaccurate
• →Identify and flag tasks for discard per defined criteria (unintelligible audio, non-target language, sensitive content, no voice activity, etc.)
• →Maintain consistency and accuracy across a detailed, evolving style guide

• English fluency, including strong command of spoken/colloquial forms (contractions, filler words, informal speech)
• Prior experience with audio transcription, data annotation, or speech/NLP data labeling preferred
• Comfortable using annotation/labeling tools
• Ability to reference and apply a detailed style guide consistently
• Ability to work independently and adapt to periodic guideline updates