For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Martin Mtachi

Martin Mtachi

AI Data Annotation & Speech Data Refinement Specialist

TANZANIA flag
N/A, Tanzania
$8.00/hrEntry LevelOneformaClickworker

Key Skills

Software

OneFormaOneForma
ClickworkerClickworker

Top Subject Matter

Speech AI Training and Recognition
data labbeling

Top Data Types

DocumentDocument
VideoVideo
ImageImage

Top Task Types

Classification
Object Detection
Data Collection

Freelancer Overview

I have practical experience in AI data labeling and speech data refinement specializing in Inverse Text Normalization (ITN). I have worked on reviewing and correcting annotated data to ensure accurate category selection, proper spoken-form representation, and natural language flow. My role includes identifying errors, improving sentence quality, and maintaining strict adherence to annotation guidelines. This experience has strengthened my attention to detail and ability to produce high-quality datasets for AI training

Entry LevelSwahiliEnglish

Labeling Experience

AI Data Annotation & Speech Data Refinement Specialist

AudioClassification
As an AI Data Annotation Specialist, I refined and labeled speech utterances for AI and speech recognition training. My responsibilities included applying Inverse Text Normalization (ITN) to various speech categories and ensuring accurate spoken form representation. I consistently maintained strict quality and formatting standards throughout the annotation process. • Reviewed and corrected grammatical errors in spoken data • Applied ITN classification in multiple linguistic categories • Replaced artificial patterns with natural, localized speech content • Performed quality checks for dataset consistency and accuracy

As an AI Data Annotation Specialist, I refined and labeled speech utterances for AI and speech recognition training. My responsibilities included applying Inverse Text Normalization (ITN) to various speech categories and ensuring accurate spoken form representation. I consistently maintained strict quality and formatting standards throughout the annotation process. • Reviewed and corrected grammatical errors in spoken data • Applied ITN classification in multiple linguistic categories • Replaced artificial patterns with natural, localized speech content • Performed quality checks for dataset consistency and accuracy

Not specified

Education

K

Kampala International University in Tanzania

Diploma in Pharmaceutical Sciences, Pharmaceutical Sciences

Diploma in Pharmaceutical Sciences
2023 - 2023

Work History

N

N/A

Data Entry Clerk

N/A
2023 - Present