Voicebot AI Labeling Project – When humans teach machines to understand the Vietnamese language

OVERVIEW

Industry

Information Technology (AI Software Development)

Solution

Provide personnel to train Voicebot to label Vietnamese data according to partner standards

Background

– Partners have AI/Voicebot systems but lack a specialized team to process data
– Labeling work requires large volumes, repetition, and demands diverse regional accents and intonations.
– Require cost optimization, accelerate deployment speed, and ensure output quality

CHALLENGES AND REQUIREMENTS OF THE HUMAN RESOURCES PROBLEM

ChallengeDetailed requirements
Resources must be tailored to the specific nature of the work.Must provide specialized workers; do not assign labeling tasks to programmers.
Volume and repeatabilityDaily data is voluminous and prone to errors without a strict control process.
Phonetic and regional diversityWorkers must be able to understand the local dialect and comprehend the intonation of the Central and Northern regions.
High quality, few defectsWrite correctly, pronounce clearly, and ensure the recorded version accurately reflects what is heard.

Candidate requirements:

  • Minimum 1 year of telesales experience
  • Clear voice, standard pronunciation
  • Ability to recognize regional accents (e.g., Quang Ngai, Nghe An, Ha Tinh)
  • Listening, comprehension, and writing skills to convert speech into text

SOLUTION

1. Supply of quality personnel

Bellsystem24 Vietnam provides partners with 10 specialized personnel responsible for listening to Voicebot calls—customers and transcribing voice recordings into text (labeling). All personnel are carefully selected and thoroughly trained to meet technical and phonetic requirements.

2. Daily work process

daily work process

The process is designed to ensure continuity, transparency, and ease of control for partners.

3. Highlights of Bellsystem24 Vietnam's labeling service

Capacity & Service Quality

  • Ability to meet staffing requirements and provide suitable personnel
  • Ensure performance, accuracy, and output quality as promised (clear SLA, KPI).

Flexibility & Responsiveness

  • Personnel, processes, or scenarios can be customized according to specific customer requirements.
  • Capable of rapid scaling

Post-Implementation Costs & Services

  • Reasonable costs, flexible leasing models (by package, by capacity, by number of seats, etc.)
  • Ensure transparency in reporting, monitoring, and evaluating results.

RESULT

  • 100% calls received and processed during the day, exceeding the progress commitment
  • TAll data has been labeled for model training.
  • All record labels are checked and scored. no material errors
  • Labeling quality meets AI quality input standards, containing standardized metadata

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