Voice and Speech Analysis Specialist

OpenTrain AI, Inc.; United States; Hybrid; USD 41,000 - 96,000; Part time

Job summary

OpenTrain AI, Inc. is seeking a part-time contractor to assess short speech recordings and write structured observations for AI training and evaluation.

You will review scripted, spontaneous, and conversational samples, documenting vocal details, recording conditions, and device quality, while protecting confidentiality. English proficiency at least B2 is required, with strong attention to detail and objective judgment.

Qualifications

• Fluency in English is required.
• Solid knowledge of speech analysis concepts (prosody, intonation, phonetics).
• Familiarity with recording environments and device quality is helpful.

Responsibilities

• Assess short speech recordings and write structured observations.
• Review scripted, spontaneous, and conversational samples.
• Document vocal details and recording conditions for AI training.
• Produce clear written reports for model training and evaluation.

Skills

Voice analysis

Prosody

Phonetics

Accent identification

Written reporting

Tools

Audio analysis tools

Digital platforms

Job description

The work

You will assess short speech recordings and write structured observations that support AI voice and speech training and evaluation. The work calls for consistent voice terminology, careful listening, and objective judgment.

You will review scripted, spontaneous, and conversational samples, then document vocal details and recording conditions through digital platforms while protecting confidentiality.

• Analyze vocal quality, resonance, phonation, pitch, intonation, breath support, rhythm, and tempo.
• Describe perceived age and gender, and identify accent or dialect when you are confident.
• Evaluate emotional tone, energy, articulation clarity, and delivery patterns.
• Assess room sound, recording environments, and devices such as microphones, headsets, and phones.
• Produce clear written reports for model training and evaluation.

What it pays and takes

This is a part-time contractor role. The role is listed as entry level, while professional experience in voice or audio work is preferred.

• Pay: $30 to $70 per hour.
• English proficiency at B2 level or higher.
• Strong knowledge of speech analysis, prosody, intonation, phonetics, accent and dialect variation, and vocal quality.
• Familiarity with resonance, voice placement, phonation, and breath control is helpful.
• Strong written and verbal communication, attention to detail, and objective judgment.
• Reliable internet access and high-quality headphones for accurate audio assessment.
• Open to candidates in selected countries across the Americas, Europe, Africa, Asia, and the Middle East.
• Experience in voice acting, voice coaching, dialect coaching, vocal pedagogy, audio engineering, recording quality, or acoustic assessment is preferred or helpful.
• Professional proficiency in another language is welcome when paired with the required English ability.

About AI training work

AI training work uses human review to help artificial intelligence learn from examples. In this role, your speech assessments help teams evaluate how voice and speech systems understand and produce vocal qualities, so detailed expertise matters.