AI Speech and Voice Quality Expert

An established global technology company is looking for specialists with a professionally trained ear to evaluate speech recordings and improve the quality of speech datasets.

This is a remote contract role based in Singapore, commencing as soon as possible and running until 31 March 2027.

Responsibilities

• Evaluate speech recordings for differences in tone, pitch, emotion, intention, naturalness and overall audio quality.
• Compare audio samples and determine which better meets the required quality standards.
• Create and maintain clear guidelines for speech evaluation and annotation.
• Review completed annotations, identify quality issues and provide practical feedback.
• Annotate speech data and assess written or recorded outputs when required.
• Identify subtle differences such as background noise, sibilance, audio clarity and scripted versus spontaneous delivery.
• Participate in repeated testing and comparisons to improve evaluation standards.
• Record voice samples as part of the project.
• Collaborate with other subject-matter experts to maintain consistent quality.

Requirements

• Must have Fluency in either 1 local language (Mandarin Chinese, Tamil or Bahasa Malay)
• A professionally trained ear with the ability to identify subtle differences in speech and audio quality.
• Open to people from areas such as voice acting, audio engineering, mastering, music production, speech therapy, broadcasting, radio, presenting or another voice-focused field.
• Strong understanding of speech delivery, conversational dynamics, emotional cues and audio fidelity.
• Be comfortable using professional-grade monitoring headphones, studio monitors or equivalent listening equipment.
• Strong written communication and the ability to explain detailed quality assessments clearly.
• Good analytical skills, attention to detail and consistency when reviewing large amounts of audio.
• Able to work independently in a remote environment and collaborate with other specialists.
• Previous data-annotation or speech-evaluation experience would be advantageous.