French Speech Audio Engineer

Mercor; Zürich; Vor Ort; CHF 90.000 - 120.000; Vollzeit

Zusammenfassung

Mercor in Zürich, Switzerland is seeking audio engineers with deep experience editing and QA’ing French voice recordings for TTS and ML datasets. You will prepare high-quality French audio, ensure clarity, consistency, and technical compliance across large volumes, and evaluate pronunciation, naturalness, and fluency.

You will perform audio cleanup (silence trimming, de-essing, noise reduction), run quality checks for clipping, noise, and loudness, and collaborate with teams across speech

Qualifikationen

• Native or near-native French speaker with strong listening intuition for French speech nuances
• Experience editing speech or voice recordings (not just music production)
• Strong understanding of speech audio quality standards and common issues in recorded dialogue
• Hands-on experience with tools like iZotope RX, Pro Tools, or similar audio restoration software
• Ability to identify and fix artifacts, inconsistencies, and technical defects in audio
• Experience working with high-volume audio datasets or structured workflows

Aufgaben

• Edit and process French voice recordings for use in TTS and speech AI systems
• Perform audio cleanup including silence trimming, breath reduction/removal, de-clicking, de-essing, and noise reduction
• Conduct detailed quality assurance checks for clipping and distortion, background noise and artifacts, and loudness consistency
• Ensure audio meets strict technical specifications for ML training pipelines
• Evaluate recordings for French pronunciation accuracy, naturalness, and fluency
• Work with large batches of recordings, maintaining consistency and throughput
• Collaborate with teams working on French speech datasets, voice talent recordings, and model training workflows

Kenntnisse

Native or near-native French speaker

Experience editing speech or voice rec

Audio quality standards knowledge

iZotope RX / Pro Tools

High-volume audio datasets handling

Tools

iZotope RX

Pro Tools

Jobbeschreibung

OverviewWe're looking for audio engineers with strong experience editing and quality-checking voice recordings for speech and text-to-speech (TTS) applications, specifically for French-language audio. This role focuses on preparing high-quality audio datasets for machine learning systems, ensuring clarity, consistency, and technical compliance across large volumes of French speech data. Native or near-native French fluency is required to accurately assess speech quality, pronunciation, and naturalness.

What You'll Do

• Edit and process French voice recordings for use in TTS and speech AI systems

• Perform audio cleanup including silence trimming, breath reduction/removal, de-clicking, de-essing, and noise reduction

• Conduct detailed quality assurance checks for:

  • Clipping and distortion

  • Background noise and artifacts

  • Loudness consistency and level balancing

• Ensure audio meets strict technical specifications for ML training pipelines

• Evaluate recordings for French pronunciation accuracy, naturalness, and fluency

• Work with large batches of recordings, maintaining consistency and throughput

• Collaborate with teams working on French speech datasets, voice talent recordings, and model training workflows

Basic Qualifications

• Native or near-native French speaker with strong listening intuition for French speech nuances

• Experience editing speech or voice recordings (not just music production)

• Strong understanding of speech audio quality standards and common issues in recorded dialogue

• Hands-on experience with tools like iZotope RX, Pro Tools, or similar audio restoration software

• Ability to identify and fix artifacts, inconsistencies, and technical defects in audio

• Experience working with high-volume audio datasets or structured workflows

Preferred Qualifications

• Experience working with TTS vendors or platforms

• Prior involvement in speech ML, voice AI, or dataset creation/annotation workflows

• Familiarity with audio QA pipelines, labeling, or evaluation processes

• Experience directing or editing French voice talent recordings

Ideal Candidate Profile

• Detail-oriented with strong critical listening skills in French

• Comfortable working with repetitive, high-precision tasks at scale

• Able to balance speed and quality in production environments

• Familiar with the nuances of human French speech vs synthetic voice requirements