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Bernard Musyoka

AI Data Annotator & Audio Quality Analyst

KENYA flag
Mwingi, Kenya
$44.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

Speech Data
Asr/tts Domain Expertise
Large Language Models

Top Data Types

TextText
AudioAudio

Top Task Types

Classification
Transcription
Data Collection
Segmentation
Prompt Response Writing SFT

Freelancer Overview

AI Data Annotator & Audio Quality Analyst. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Audacity, Praat, and Spreadsheets (Excel. Education includes Bachelor of Science, South Eastern Kenya University (2023) and Kenya Certificate of Secondary Education, Katoteni Secondary School (2018). AI-training focus includes data types such as Text and Audio and labeling workflows including Classification, Transcription, and Evaluation.

ExpertEnglishSwahili

Labeling Experience

AI Data Annotator & Audio Quality Analyst

TextClassificationTranscription
As an AI Data Annotator & Audio Quality Analyst, I annotated and labeled text and audio datasets for AI training. I performed transcription, normalization, classification, and prompt-response alignment, ensuring data quality and guideline adherence. I conducted segmentation, speaker diarization, and QA evaluation on AI-generated outputs and audio data. • Labeled and structured speech and text data for ASR/TTS and LLM workflows • Evaluated responses and annotated model outputs for coherence, accuracy, and rubric standards • Maintained alignment between audio, transcripts, and metadata, correcting inconsistencies • Documented edge cases and contributed to improvements in annotation guidelines.

As an AI Data Annotator & Audio Quality Analyst, I annotated and labeled text and audio datasets for AI training. I performed transcription, normalization, classification, and prompt-response alignment, ensuring data quality and guideline adherence. I conducted segmentation, speaker diarization, and QA evaluation on AI-generated outputs and audio data. • Labeled and structured speech and text data for ASR/TTS and LLM workflows • Evaluated responses and annotated model outputs for coherence, accuracy, and rubric standards • Maintained alignment between audio, transcripts, and metadata, correcting inconsistencies • Documented edge cases and contributed to improvements in annotation guidelines.

2023 - Present

Education

S

South Eastern Kenya University

Bachelor of Science, Computer Science

Bachelor of Science
2023 - 2023
K

Katoteni Secondary School

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2018 - 2018

Work History

M

Mwingi Level IV Hospital

IT Support & Networking Intern

Mwingi
2022 - 2022