Speech & Voice Quality Specialist

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 based in Singapore, running until 31 March 2027 with potential for extension depending on business needs.
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
Fluency in English and either Mandarin Chinese/Tamil/Bahasa Melayu.
A professionally trained ear with the ability to identify subtle differences in speech and audio quality.
Relevant experience in 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.
Own and be comfortable using professional-grade monitoring headphones, studio monitors or equivalent listening equipment.
Comfortable recording your own voice.
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.
Applicants must be able to provide a relevant portfolio or work sample.
Previous data-annotation or speech-evaluation experience would be advantageous.

Work arrangement
Yes