Wambua M.

Key Skills

Software

Other

Top Subject Matter

Multilingual speech/voice data for language models

AI speech synthesis and linguistic dataset curation

Top Data Types

Audio

Top Task Types

Audio Recording

Freelancer Overview

Freelance Multilingual Voiceover Artist (Freelance, Outlier, Dataannotation). Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, N, and A. Education includes Master's, Illinois University (2015) and Voiceover Training Program, Baltimore University (2016). AI-training focus includes data types such as Audio and labeling workflows including Audio Recording.

Labeling Experience

Freelance Multilingual Voiceover Artist (Freelance, Outlier, Dataannotation)

OtherAudioAudio Recording

Provided high-quality multilingual voiceover recordings for AI training and other language-learning content across Portuguese, French, Arabic, German, Chinese, and English.• Recorded based on provided scripts to ensure consistent phrasing, pronunciation, and clarity for downstream model training.• Adapted tone, pace, and emotion across takes while maintaining linguistic accuracy.• Delivered audio outputs that met technical and quality specifications for dataset readiness.

2020 - Present

Linguistic Data Contributor & AI Voice Research Assistant

AudioAudio Recording

Recorded multilingual voice samples used for AI model training and voice synthesis improvements across multiple languages and accents.• Supplied real-time feedback on generated speech outputs to help refine system performance.• Participated in team-based, scripted dialogue recordings with coordinated execution across sessions.• Assisted in curating and validating linguistic datasets and applying phonetic/tonal corrections to improve output quality.

2018 - 2020

Education

Work History