Senior English Voice Coach & Audio Annotation Specialist (Vocal analysis and annotation for AI-driven speech systems)
AudioPerformed high-precision analysis of short English audio recordings for vocal attributes including tone stability, pitch variation, timbre consistency, articulation clarity, pacing, and overall control. Applied structured evaluation frameworks and objective, repeatable assessment criteria aligned with project guidelines for large-volume consistency. Assessed emotional expression and speaker intent by labeling cues such as intonation patterns, stress placement, rhythm, pauses, and emphasis. • Labeled vocal delivery characteristics for technical and perceptual QA purposes. • Produced consistent written evaluation feedback with standardized terminology. • Identified subtle emotional signals and mismatches between verbal content and vocal tone. • Collaborated on refining annotation guidelines and resolving interpretation differences.