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Melanie Mengay

@melaniemengay1

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German audio annotation specialist evaluating AI-generated voice output against detailed guidelines.

Mexico

Message

Freelance AI data annotator and evaluator with a focus on audio and voice quality. I evaluate and rank AI-generated speech against detailed guidelines and work in German (native) and English (C2). My background is in European Ethnology and Musicology at Humboldt-Universität zu Berlin, including transcription of interviews and field recordings, plus several years in customer support. I work independently and remotely and I’m open to projects in transcription, annotation and language evaluation.

Experience

Work history, roles, and key accomplishments

Current

AI Data Annotation & Audio Evaluation

Current

Outlier

Jan 2026 - Present (9 months)

Evaluating and ranking AI-generated voice/audio output for naturalness, quality, and adherence to detailed guidelines. Producing structured annotation write-ups and quality documentation.

Audio Evaluation Data Annotation Quality Assurance German English

Current

Freelance Musician

Current

Independent

Jan 2018 - Present (8 years 9 months)

Performing live music and producing music, including sound therapy sessions.

Music Production Live Performances Sound Therapy

Operations & Customer Support

Stilnest

Jan 2017 - Dec 2018 (1 year 11 months)

Handled written communication and documentation in German and English. Managed cases, structured reporting, and quality assurance.

Customer Support Documentation Case Management Quality Assurance Zendesk CRM

Customer Care: Ticket & Event Support

Festival Ticketing

Jan 2014 - Dec 2017 (3 years 11 months)

Provided high-volume written communication and case documentation for event ticketing. Ensured consistent formatting and adherence to project-specific guidelines.

Customer Support Written Communication Documentation Formatting

Technical Support Agent: Inbound

Swiss Mobile Network Provider

Jan 2012 - Dec 2014 (2 years 11 months)

Provided technical troubleshooting and customer support in German and English. Maintained accurate documentation and follow-up.

Technical Support Troubleshooting Customer Support German English

Education

Degrees, certifications, and relevant coursework

Berklee Online

Songwriting: Writing the Lyrics, Songwriting

2026 -

Songwriting: Writing the Lyrics course. Ongoing in 2026.

Theramedus Akademie

Certified Sound Therapist, Sound Therapy

2025 - 2025

Certified Sound Therapist program completed in 2025.

Catalyst Institute

Sound Design, Sound Design

2024 - 2024

Sound Design course completed in 2024.

Humboldt-Universität zu Berlin

PR & Marketing, PR & Marketing

2017 - 2017

PR & Marketing course completed in 2017.

MIZ Babelsberg

Radio & Podcast Production, Radio & Podcast Production

2016 - 2016

Radio & Podcast Production course completed in 2016.

Humboldt-Universität zu Berlin

Bachelor of Arts, European Ethnology & Musicology

2015 - 2020

Bachelor of Arts in European Ethnology & Musicology. Included transcription of interviews and field recordings, multi-speaker audio analysis, academic writing, and cross-cultural music analysis.