EU Innovation Fund Backed

Enterprise Training Data for Speech & LLMs

Voice, audio, and text training data at scale across 100+ languages. Global network of professionals. Deployable on your infrastructure.

200K+
Hours Delivered
100+
Languages
7+
Years Experience
Fortune 100
Client Portfolio

Why Enterprises Choose Us

Seven years of enterprise experience, proprietary platform technology, and world-class data assets — at competitive prices.

Why Enterprises Choose Us
Multilingual at Scale

Multilingual at Scale

100+ languages, global workforce, massive projects delivered fast.

Enterprise-Proven

Enterprise-Proven

7 years serving Fortune 100 companies.

Ready-to-License Audio

Ready-to-License Audio

Hundreds of thousands of hours of multilingual real world audios.

True Exclusivity When You Need It

True Exclusivity When You Need It

For custom collection projects, our platform allows you to connect your own storage from day one — we never hold a copy. Unlike others, we can't resell data we collect for you because we never have it.

Multi-layer contributor verification

Multi-layer contributor verification

Stronger validation helps reduce fraud, proxy work, and identity mismatch risks.

Layered quality controls

Layered quality controls

Consensus, QC, audits, and validation loops improve consistency and reliability.

Products & Services

End-to-end data solutions for speech and language AI.

Speech Data Services

Collection, transcription, and annotation in 100+ languages. Professional voice talent or natural speakers, any accent.

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Speech Data Services

Sound & Environment Audio

Real-world sound and noise collection — environmental sounds, background noise, machine sounds, acoustic scenes, etc. For audio classification, noise detection, and sound recognition models.

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Sound & Environment Audio

Text & Dialogue Data Services

Conversation annotation, intent/entity labeling, RLHF preference data, and LLM fine-tuning datasets.

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Text & Dialogue Data Services

OTS Call Center Audio

Hundreds of thousands of hours of real-world call center recordings. US, India, Philippines accents + Indian languages.

Browse Audio Catalog
OTS Call Center Audio

Self-Hosted Platform

Full AI development platform — data engine, training, GPU marketplace. Deploy on your infrastructure or connect your storage directly. Your data never sits on our servers.

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Self-Hosted Platform

Quality, governance, and identity controls

Quality controls

People & enablement

People & enablement

  • Local SMEs localize guidelines and lead training
  • Training delivered in local language (or interpreter)
  • 1:1 training before role transitions (QA → QC → QC2)
Quality consistency

Quality consistency

  • Continuous consensus mechanism for consistent evaluation
  • Ongoing blind tests to detect drift
  • Minimum 3 quality roles active on each project
Delivery governance

Delivery governance

  • 24/7 worker support to prevent mistakes + guideline drift
  • 24/7 client channel to apply feedback/spec changes fast

Multi-Layer Contributor Verification

Multi-Layer Contributor Verification

Layer 3 – Behavioral anomaly intelligence

Work-pattern baselines, anomaly modeling, automation detection, and blind-test root cause integration.

Layer 2 – Continuous session control

Random biometric re-authentication, liveness verification, session validation checkpoints.

Layer 1 – Verified identity

KYC, biometric enrollment, device fingerprinting, employment and credential validation.

Trusted Across Enterprise AI Use Cases

Data Transformation and Cleansing PII/ PCI Identification

COMPLIANCE

Challenge

Banking AI systems need training data that reflects real customer support conversations, but sensitive data requirements vary by country. That makes it difficult to build compliant, localized datasets at scale.

Solution

AIxBlock sourced and annotated multilingual banking chat data across 7 language variants, with country-specific handling for financial and personal identifiers, structured in JSON for downstream AI workflows.

Data Transformation and Cleansing PII/ PCI Identification

Impact

  • 1,790documents
  • 537Ktokens
  • 7variants
  • 98%+accuracy

Full compliance with country-specific ID and financial data formats

High-Accuracy Speech Data for Banking Contact Center AI

VOICE

Challenge

Banks need real multilingual conversation data to train and improve voice AI, QA, and speech analytics systems, but collecting natural, structured, high-quality audio at scale is difficult.

Solution

AIxBlock delivered real-world two-party conversational speech data with speaker-level timestamps, verbatim transcription, and strict audio quality controls across multiple languages.

High-Accuracy Speech Data for Banking Contact Center AI

Impact

  • 1,080hours delivered
  • 14weeks
  • 98%+accuracy

Multi-Locale Audio Data at Enterprise Speed

MULTILINGUAL

Challenge

Scaling multilingual speech data programs across markets and customer languages, usually slows delivery and weakens quality.

Solution

AIxBlock ran a high-volume multi-locale collection and transcription program with linguist review and coherence controls.

Multi-Locale Audio Data at Enterprise Speed

Impact

  • 9locales
  • 16weeks vs 32 planned
  • >97%accuracy
Ready to scale your AI training data for Voice AI or LLMs?

Ready to scale your AI training data for Voice AI or LLMs?

Let's discuss your requirements. Our team responds within 24 hours.

SCHEDULE A CALL

FAQs

1. What does AIxBlock do as an enterprise training data partner?

AIxBlock provides enterprise training data for speech and large language models, covering speech collection, transcription, dialogue annotation, RLHF-style feedback, and off-the-shelf call center audio datasets. Teams use AIxBlock data to train, fine-tune, and evaluate AI models with production-grade data.

2. How is AIxBlock different from a generic AI data labeling service?

We are not a "label anything" shop. We are an infrastructure partner backed by the European Union.

  • Specialization: We focus strictly on speech and dialogue, not image or video annotation.
  • Infrastructure: We have spent years building a comprehensive AI development platform with self-hosting support. You can connect your own storage to our platform, ensuring that all data you engage us to collect, label, or validate is delivered directly to your storage with no copies retained on our end. The architecture is dedicated exclusively to you.
  • Assets: We maintain a library of hundreds of thousands of hours of Off-The-Shelf (OTS) real-world audio.
  • Track Record: We have a 6-year history delivering large-scale projects for Fortune 500 companies and Unicorns like Oracle, AWS, Uber, Uniphore, etc.
3. Can AIxBlock support multilingual speech and audio data at scale?

Yes. AIxBlock explicitly specializes in providing speech and audio data at an enterprise scale, supporting around 100 languages including rare ones.

  • Global Reach: We utilize a global crowd to deliver massive projects fast, covering various languages, accents, and demographics.
  • Audio Assets: Beyond fresh collection, we maintain an Off-The-Shelf (OTS) Audio Library containing hundreds of thousands of hours of raw call center audio (featuring accents such as US, India, and Philippines) as well as other languages available for bulk licensing.
  • Specific Services: Our speech services include end-to-end collection of voice recordings, transcription, and complex annotation (speaker labels, timestamps, etc.).
4. Does AIxBlock provide RLHF and dialogue annotation for LLM training?

Yes. AIxBlock offers specialized Text/Dialogue Data Services designed for Foundation Model labs and internal product teams building copilots. Our capabilities include:

  • RLHF Data: We provide RLHF-style preference data (Reinforcement Learning from Human Feedback) to help align models and reduce hallucinations.
  • Conversation Annotation, NER: We handle complex schemas, intent labeling, entity extraction, and sentiment analysis.
  • Fine-Tuning: These services are specifically aimed at fine-tuning LLMs for specific industries or domains to improve reasoning and instruction following.
5. Is AIxBlock suitable for regulated or data-sensitive organizations?

Yes, this is a primary differentiator. AIxBlock is specifically designed for regulated sectors like Banking, Healthcare, Government and any other regulated sectors that face strict compliance blocks.

  • Data Sovereignty: We offer a Self-Hosted Platform where the client's storage is connected from day one. Data flows directly to the client's environment, meaning AIxBlock never keeps a copy of the proprietary data.
  • No Resale Risk: Because we never hold the data, we physically cannot resell it to competitors or reuse it, solving a major trust & governance worry for CISOs.
  • EU Backing: The company is supported by European Union innovation funding, adding a layer of institutional legitimacy regarding data handling.
6. When should a team choose AIxBlock instead of building training data in-house?

A team should choose AIxBlock when internal efforts fail to meet the scale and diversity required for production-ready models. Specifically:

  1. To Avoid Management Overhead: When managing distinct vendors or crowds for 100+ languages becomes a "fire drill" or results in slow turnaround times.
  2. For Niche Domains: When generic web data isn't enough and the team struggles to find high-quality speech in niche domains that your in-house team doesn't have skillset in.
  3. When you need to engage a large number of contributors across diverse demographics to ensure data diversity at scale.
7. How do you ensure high-quality data when other vendors fail?

We do not rely on simple CV screening. We utilize a rigorous, multi-tiered quality infrastructure tailored to each project:

  • Consensus Mechanism: Contributors are screened via real tasks. We establish a benchmark through consensus, and every contributor’s output is compared against this benchmark to auto-filter high performers.
  • Blind Testing: We randomly assign blind test tasks to active workers to ensure quality is maintained over time, not just during onboarding.
  • 3-Tier QC: We apply at least three roles of quality control (QA, QC, and QC2). We promote from within—our best QAs become QCs—ensuring a hierarchy of expertise.
  • KYC biometric needed to onboard for some specific projects to verify identity as well as qualification.
  • Other tailor-made proprietary technologies implemented per project, as needed.
8. How do you handle complex guidelines across different languages?

Translation is not enough. We deploy Local Project Coordinators and Subject Matter Experts (SMEs) to localize every set of guidelines and training materials. All training is conducted in the local language by SMEs or interpreters to ensure the nuance of your instructions is perfectly understood.

9. What happens if we need to change feedback mid-project?

We maintain 24/7 availability for both clients and workers.

  • For Clients: We are available around the clock to apply feedback or workflow changes immediately.
  • For Workers: We provide 24/7 support to answer annotator questions in real-time, preventing the "guessing games" that lead to errors.