The Prime Stack
Speech Corpora & Acoustic Data

Data Library

High-quality, multilingual voice datasets and custom data collection pipelines designed for speech recognition, LLM voice interfaces, and conversational AI development.

Demonstration Catalog Notice: The datasets listed below represent sample collections and technical formats available from our operations. Exact inventory volumes, audio sample clips, and custom dialect quotas are validated upon project consultation.

Showing 8 datasets
Showing verified placeholder structures
English Customer Support Voices
Ready Data
Uncompressed WAV & Text Sample Pack
English En-US En-UK

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 Application: Call center speech recognition, intent detection, agent coaching models.

Metadata Schema: Includes anonymized speaker metadata, acoustic environment notes, and utterance-level timestamps.

Request Availability & Metadata
Spanish Call QA Clips
Ready Data
Dual-Channel WAV Sample Pack
Spanish ES-LatAm ES-ES

Spanish Call QA Clips

Sample quality assurance call segments across regional Spanish accents. Captured during authentic customer service workflows with dual-channel isolation.

Primary Application: Multilingual conversational AI, quality monitoring systems, automated evaluation.

Metadata Schema: Includes dialect tags, call outcome categories, and speech rate indicators.

Request Availability & Metadata
Multilingual Contact Center Audio
Ready Data
WAV & JSON Metadata Sample Pack
English Spanish French German

Multilingual Contact Center Audio

Multi-language voice dataset sample covering typical customer query archetypes, resolutions, and escalations across major global business languages.

Primary Application: Cross-lingual acoustic models, multi-turn virtual agent training, customer support automation.

Metadata Schema: Multi-speaker demographics, turn-taking annotations, and query taxonomy.

Request Availability & Metadata
Retail Voice Queries
Ready Data
Segmented WAV & Transcripts Sample Pack
English Bilingual

Retail Voice Queries

Targeted e-commerce customer interactions covering order tracking, returns, product inquiries, and payment assistance voice interactions.

Primary Application: Voice commerce, conversational product search, automated customer IVR.

Metadata Schema: Mapped to retail intent taxonomies and entity tagging schemas.

Request Availability & Metadata
Transcription & Annotation Pack
Ready Data
JSON, CSV & WAV Sample Pack
Multilingual English Spanish

Transcription & Annotation Pack

Paired speech and text data with multi-tier validation, semantic categorization, named entity tags, and phoneme-level alignment indicators.

Primary Application: NLP fine-tuning, speech-to-text benchmark testing, entity extraction.

Metadata Schema: Confidence scoring, multi-annotator review notes, and standardized validation criteria.

Request Availability & Metadata
Custom Voice Collection
Custom On-Demand
Per Client Specification Sample Pack
Client Specified Global Languages

Custom Voice Collection

Tailored acoustic and linguistic data collection designed to client specifications, recorded through call center infrastructure with custom speaker demographics.

Primary Application: Proprietary voicebot deployment, regional dialect fine-tuning, specialized domain vocabularies.

Metadata Schema: Custom metadata schemas, dedicated QA parameters, and verified delivery timelines.

Discuss Custom Scope
FinTech & Banking Utterances
Ready Data
WAV & Anonymized Transcripts Sample Pack
English Spanish

FinTech & Banking Utterances

Domain-specific voice recordings simulating secure banking, card verification, account balance, and payment transfer customer queries.

Primary Application: Financial voicebots, automated banking phone agents, security prompt recognition.

Metadata Schema: Fully anonymized synthetic financial entity labels and verified terminology.

Request Availability & Metadata
Conversational Intent Pipeline
Custom On-Demand
API / Cloud Storage Sync Sample Pack
Any Language On Demand

Conversational Intent Pipeline

End-to-end dataset production pipeline for continuous voice and text intent training, tailored to recurring enterprise AI model refresh cycles.

Primary Application: Enterprise LLM fine-tuning, automated dialog systems, ongoing model drift retraining.

Metadata Schema: SLA-backed delivery schedule, ongoing QA audit reports, and custom schema enforcement.

Discuss Custom Scope

How Dataset Inquiries & Custom Production Work

We do not require online credit card checkout or self-serve software subscriptions. Every enterprise ML dataset requires verified specifications.

1. Scope Alignment

We review your acoustic requirements, sampling rates, target languages, and speaker demographic distributions.

2. Verification & Samples

We provide pilot audio samples and metadata schema files for your engineering team to inspect compatibility.

3. Licensed Delivery

Secure delivery via cloud storage or dedicated bucket transfer accompanied by full QA certificates and licensing documentation.