Audio AI Specialist (Korean/Japanese)

About the role

The Audio AI Specialist will develop, refine, and apply audio quality guidelines for speech and voice datasets. They will review audio files against technical, linguistic, and task-specific standards, make clear approval, rejection, or revision decisions, and identify and address issues such as background noise, clipping, distortion, plosives, echo, low signal, segmentation errors, transcript mismatches, and speaker-label inconsistencies.

Responsibilities

• Define and apply audio quality standards for speech and voice datasets.
• Record high-quality speech on demand based on provided scripts and performance guidelines.
• Perform annotation and QA tasks, including transcription, timestamp validation, VAD/segmentation, diarization, pronunciation checks, and metadata review.
• Document edge cases, update review rubrics, and improve internal SOPs and quality standards.
• Collaborate with research, ML, and operations teams to translate model requirements into data specifications and evaluation criteria.
• Ensure consistency and integrity across audio files, transcripts, annotations, and associated metadata.

Requirements

• Direct experience working with audio AI training datasets or evaluation workflows.
• Hands-on experience with TTS, ASR, transcription, speech-to-speech, or related voice AI systems.
• Professionally fluent in Korean or Japanese, including verbal and written communication.
• Experience developing or applying audio quality standards in production environments.
• Experience with speech annotation tasks such as transcription, timestamp QA, VAD/segmentation, and diarization.
• Strong auditory judgment with the ability to consistently identify subtle audio quality issues.
• Ability to produce high-quality recordings in a controlled, quiet environment using professional or near-professional equipment.
• Strong written communication skills with the ability to provide clear, actionable feedback.
• A high attention to detail and sound judgment when evaluating edge cases.
• Comfortable working with structured data formats such as spreadsheets, CSV, or JSON.

Commitment

This is an ongoing contract position staffed via HireArt. It will be remote and available to U.S.-based candidates (excluding California and Illinois). HireArt values diversity and is an Equal Opportunity Employer. We are interested in every qualified candidate who is eligible to work in the United States. Unfortunately, we are not able to sponsor visas or employ corp-to-corp.