Ready multilingual voice data. Custom AI data production on demand.
We provide high-quality multilingual voice data — professionally recorded, fully documented and ready for immediate use. We also create custom datasets and offer BPO, call center, e-commerce and IT/data services to support your business.
What We Have Ready vs What We Can Build for You
Whether you require immediate access to existing multilingual speech recordings or customized voice data production tailored to your ML model architecture, we have structured delivery paths.
What We Have Ready
Existing multilingual voice datasets ready for immediate licensing discussions, research evaluation, and commercial benchmarking.
- Existing multilingual voice datasets across core commercial dialogues
- Professional recordings with controlled acoustic environments
- Metadata & QA documentation included with utterance schemas
- Licensing inquiries with rapid delivery upon inventory confirmation
What We Can Build for You
New voice recordings, domain-specific corpora, and customized annotation produced according to individual customer specifications.
- Custom voice recording and full bespoke dataset production
- Language-specific data collection across target accents & dialects
- Transcription, alignment & annotation to your precise taxonomy
- Ongoing data supply arrangements for continuous model training
Our Services
End-to-end solutions for AI data, customer support and business operations.
AI & ML Training Data (Flagship)
Ready multilingual voice datasets and custom data production for speech recognition, conversational AI, and NLP models.
Multilingual Call Center & Customer Support
Inbound and outbound support, virtual administration, and omnichannel customer assistance with authentic voice data origins.
Business Process Outsourcing (PBO / BPO)
Back-office support, administrative tasks, workflow management, and custom business process outsourcing for growing enterprises.
E-Commerce & AI Support
Product catalog enrichment, listing management, store operations, and conversational AI preparation for modern retail.
IT & Data Services
Data annotation, transcription, audio cleanup, structured dataset preparation, and technical pipeline support.
Featured Data Library
Sample datasets from our ready-to-use library. All data is professionally recorded, with metadata and QA documentation.
English Customer Support Voices
Illustrative corpus of spontaneous inbound English support dialogues recorded under controlled call center conditions. Suitable for ASR acoustic training and sentiment analysis.
Primary Use Case: Call center speech recognition, intent detection, agent coaching models.
Spanish Call QA Clips
Sample quality assurance call segments across regional Spanish accents. Captured during authentic customer service workflows with dual-channel isolation.
Primary Use Case: Multilingual conversational AI, quality monitoring systems, automated evaluation.
Multilingual Contact Center Audio
Multi-language voice dataset sample covering typical customer query archetypes, resolutions, and escalations across major global business languages.
Primary Use Case: Cross-lingual acoustic models, multi-turn virtual agent training, customer support automation.
Retail Voice Queries
Targeted e-commerce customer interactions covering order tracking, returns, product inquiries, and payment assistance voice interactions.
Primary Use Case: Voice commerce, conversational product search, automated customer IVR.
Transcription & Annotation Pack
Paired speech and text data with multi-tier validation, semantic categorization, named entity tags, and phoneme-level alignment indicators.
Primary Use Case: NLP fine-tuning, speech-to-text benchmark testing, entity extraction.
Custom Voice Collection
Tailored acoustic and linguistic data collection designed to client specifications, recorded through call center infrastructure with custom speaker demographics.
Primary Use Case: Proprietary voicebot deployment, regional dialect fine-tuning, specialized domain vocabularies.
Our Process
A clear, proven workflow from initial request to verified dataset delivery.
Brief
Tell us your requirements, language needs, acoustic environment, and model use case.
Sample / Scope
We provide sample audio clips, agree on annotation schemas, and confirm the project scope.
Production
We record or process your custom speech data using call-center-grade recording pipelines.
QA & Review
Multi-pass quality assurance, acoustic verification, and comprehensive metadata documentation.
Delivery
Final datasets securely delivered on time, formatted to your exact ingestion pipeline.
Quality & Documentation
Every audio corpus and outsourced service is supported by transparent documentation workflows, comprehensive utterance metadata, and defined acoustic specifications.
Dataset Metadata
Full speaker tags, acoustic conditions, and utterance timestamps.
QA Review Cycles
Multi-annotator validation, audio SNR checks, and error audits.
Confidentiality
Strict data isolation, secure transmission, and NDA protections.
Get in Touch
Tell us about your project and our solutions team will respond promptly.
About The Prime Stack
We are a global team dedicated to providing high-quality AI training data and business process services. With our own call center and data operations infrastructure, we deliver reliable, scalable and customized solutions for AI companies and businesses worldwide.
Our operational model bridges the gap between active customer service delivery and high-grade speech data harvesting. By documenting authentic multilingual interactions under strict privacy frameworks, we generate conversational voice data with real acoustic richness.
Let's discuss your data or outsourcing requirements.
Our solutions specialists are ready to discuss dataset licensing, tailored voice data collection, or outsourced contact center staffing.