Vijayaraghavan B.

Key Skills

Software

No software listed

Top Subject Matter

Multilingual audio evaluation

Tamil transcription/annotation

accent & pronunciation analysis

Top Data Types

Audio

Top Task Types

Transcription

Freelancer Overview

Tamil Quality Control AI Specialist, WELO DATA AI (Remote).. Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include WELO DATA AI and Sigma AI. Education includes Bachelor of Engineering, Anna University (2015) and Higher Secondary Certificate, Velammal Matric Higher Secondary School (2011). AI-training focus includes data types such as Audio and labeling workflows including Transcription.

Labeling Experience

Tamil AI Specialist, SIGMA AI (Remote).

AudioTranscription

Transcribed Tamil audio recordings with high accuracy for AI speech recognition projects. Performed annotation and validation tasks for multilingual AI training datasets while reviewing outputs for quality and consistency. Worked with diverse Tamil accents, dialects, and varying audio quality conditions following established annotation guidelines.• Produced high-accuracy Tamil transcription outputs for speech recognition datasets.• Labeled/validated multilingual training data and corrected transcription errors.• Assessed how accent variation and audio conditions affect transcription quality.• Collaborated with remote project teams and maintained confidentiality standards.

2024 - 2026

Tamil Quality Control AI Specialist, WELO DATA AI (Remote).

AudioTranscription

Performed AI training data labeling and quality control for multilingual Tamil audio datasets. Conducted speech-to-text validation, including accent and pronunciation analysis, to improve transcription accuracy. Reviewed audio quality and ensured adherence to annotation guidelines for consistent dataset outputs.• Transcribed and validated Tamil speech for AI speech recognition tasks.• Evaluated accent/dialect variation and audio condition impacts on output quality.• Applied labeling/annotation standards to maintain consistency across multilingual data.• Delivered work within project timelines while collaborating remotely.

2020 - 2024

Education

Work History