Voice Recording Services
For AI Traning

Build high-quality voice datasets for AI models

BSV provides professional voice recording services for AI training with a diverse network of speakers nationwide, helping businesses develop Voice AI applications, Speech Recognition systems, Virtual Assistants, and Text-to-Speech solutions

Scripted Speech

Speakers read pre-prepared content, ensuring accuracy in grammar, vocabulary, and pronunciation. Ideal for TTS (Text-to-Speech), Voice Assistants, and Audiobooks.

Conversational Speech

- Recording natural conversations between multiple people, reflecting authentic communication patterns with natural intonation, pauses, and emotional expressions. Used to train Chatbots, Virtual Agents, and multi-turn dialogue systems.

Environment-Specific

Recording in real-world conditions such as offices, public spaces, cars, and restaurants with background noise and ambient sounds. Helps AI models recognize speech accurately in any environment.

Emotional & Prosodic Speech

Recording with various emotional states: happy, sad, angry, neutral, excited. Essential for customer emotion analysis applications and mental health AI.

Demographic-based

Speech data is collected across regions, languages, and age groups to ensure demographic diversity and reduce model bias.

Multilingual Recording

We provide domain-specific terminology voice recording to enable AI systems to operate accurately in specialized domains.

Key highlights of AI training services

Diverse Speaker Network

Access to a network of over 4,000 speakers, representing all age groups, genders, regional dialects, and education levels. Meeting all dataset diversity requirements.

Professional Infrastructure

International-standard soundproof recording studios equipped with high-quality microphones, noise-canceling equipment, and real-time audio monitoring systems. Mobile recording at speakers' homes available when needed.

No Setup Costs

No expenses for office space, infrastructure, recruitment, or staff training.

Guaranteed Performance

Each project is designed with specific SOPs and KPIs to ensure progress and target achievement.

Security and Safety

Operations comply with ISO 27001 information security standards. We commit to following data privacy regulations (GDPR, PDPA), intellectual property, and privacy rights. NDAs are signed with all stakeholders.

Integration with Other Systems

Provide consulting and integration with systems such as CRM, ERP, and Apps to enhance data management and reporting processes.

Key differences

AI Training Solutions for Industries

FAQs

What's the difference between AI voice recording and regular recording?

Voice recording for AI requires significantly higher precision and consistency than conventional recording. Core differences:

Detailed Metadata: Each file needs complete information about speakers (age, gender, regional dialect), recording conditions, accurate word-by-word transcription, timestamps.
Sample Diversity: Requires thousands of different speakers, not just 1-2 “standard” voices like traditional recording.
Strict Technical Requirements: SNR, bit rate, sample rate, file format must be rigorously followed to ensure quality input for models.
Word-level Transcription: Every word must be accurately documented, including repeated words, voice breaks, phonetic phenomena.
Reflects Reality: No “beautifying” audio but preserving natural characteristics like intonation, regional dialects, even pronunciation errors.

AI recording is “raw data” for machine learning, not a polished audio product.

How does BSV ensure privacy and legal compliance when collecting voice data?

We strictly comply with personal data protection regulations:

Clear Consent Forms: Each speaker signs consent allowing voice collection and use for AI training purposes, fully understanding how data will be used.
NDA with All Parties: Clients, BSV, and speakers all sign confidentiality agreements.
Clear Ownership: Clients fully own collected data and receive usage rights transfer.
No Long-term Storage: After data delivery, we delete original data per agreement.
ISO 27001:2022 Compliance: Information security processes meet international standards.

What is BSV's voice recording process?

We apply a rigorous 6-step process:

1. Requirements Analysis and Planning
Detailed discussion of project goals, use cases, technical requirements, speaker criteria, required hours. Establish clear KPIs.

2. Speaker Recruitment and Training
Recruit speakers according to project criteria. Train on natural pronunciation, handling scenarios (reading errors, repetition), script adherence.

3. Infrastructure and Environment Setup
Prepare studios or mobile equipment. Check background noise, echo, microphone quality. Setup recording and monitoring software.

4. Recording and Real-time Monitoring
Coordinators directly supervise, checking quality of each file immediately after recording. Request re-recording if issues arise.

5. 3-Layer QA and Transcription
L1: Speaker self-check → L2: Technical QA (SNR, transcription accuracy) → L3: PM audit. Attach complete metadata.

6. Delivery and Support
Provide data in requested format with full documentation. Technical support during client’s data utilization.

Can BSV handle large-scale voice recording projects?

Absolutely. With a team of over 4,000 speakers and collaborators across 63 provinces and cities, we can deploy projects:

Scale: From 100 hours to 10,000+ hours of recording
Number of Speakers: From dozens to thousands of different speakers
Timeline: Can record simultaneously at multiple locations to shorten timeline
Diversity: Meeting all requirements for age, gender, regional dialect, education level

What is BSV's pricing model?

We offer flexible models:

Per Hour Recording: Suitable for projects with clear scope
Per Utterance: Suitable for TTS, voice commands
Per Speaker: When voice diversity is needed
Fixed Price per Project: For large projects with preferential pricing

Pricing depends on: script complexity, speaker requirements (rare dialects, professional voices), scale, timeline, special technical requirements.

Our workforce and infrastructure allow us to maintain both speed and quality assurance across all projects.

Which languages can be supported?

Multilingual support. We have personnel currently working on projects using English, Japanese, Chinese, Korean, Thai, Russian, French, Italian, and other languages.

Voice Recording Services For AI Traning