English

Comprehensive Voice AI Testing for English Applications

Test your voice agents across diverse English accents, dialects, and speaking styles. Ensure your AI understands and responds naturally to users from around the world.

English voice AI testing across global accents

Hamming works with

LiveKit
Vapi
Retell AI
Pipecat
OpenAI
Synthflow
Daily
11 Labs
LiveKit
Vapi
Retell AI
Pipecat
OpenAI
Synthflow
Daily
11 Labs
LiveKit
Vapi
Retell AI
Pipecat
OpenAI
Synthflow
Daily
11 Labs

Accent & Dialect Testing

Test Across All English Accents and Dialects

Ensure your voice agent understands American, British, Australian, Indian, and other English accents. Test with diverse speaking patterns, speeds, and regional variations.

Test Across All English Accents and Dialects illustration

Global Accent Coverage

  • Test with American, British, Australian, Canadian, and Indian English accents
  • Regional dialect support including Southern US, Scottish, Irish variations
  • Non-native English speaker testing for global accessibility

Speaking Style Variations

  • Fast and slow speech pattern testing
  • Formal vs. casual conversation styles
  • Technical jargon and domain-specific vocabulary validation

Pronunciation Challenges

  • Homophone and homonym disambiguation testing
  • Proper noun and brand name recognition
  • Numbers, dates, and special character handling

Conversation Testing

Natural English Conversation Flow Testing

Validate your voice agent's ability to handle natural English conversations, including interruptions, clarifications, and multi-turn dialogues.

Natural English Conversation Flow Testing illustration

Conversational Patterns

  • Interruption handling and turn-taking validation
  • Clarification requests and confirmation flows
  • Context retention across multi-turn conversations

Language Nuances

  • Idioms, slang, and colloquialisms understanding
  • Sarcasm and humor detection capabilities
  • Politeness levels and formality adaptation

Error Recovery

  • Misunderstanding recovery strategies
  • Graceful handling of unclear speech
  • Rephrasing and alternative question formats

Compliance & Localization

English Market Compliance and Localization

Ensure your voice agent meets regional compliance requirements and provides culturally appropriate responses for different English-speaking markets.

English Market Compliance and Localization illustration

Regional Compliance

  • GDPR compliance for UK and EU English speakers
  • CCPA compliance for California residents
  • Accessibility standards (WCAG, ADA) compliance

Cultural Localization

  • Date, time, and number format localization
  • Currency and measurement unit adaptation
  • Cultural sensitivity and appropriate responses

Industry Terminology

  • Healthcare and medical terminology validation
  • Financial and banking vocabulary testing
  • Legal and compliance language accuracy

Trusted by Industry Leaders

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Before Hamming, testing our AI receptionists was a manual nightmare. Now, we automatically test thousands of scenarios - from appointment scheduling to emergency escalations - ensuring our 3,500+ clients get flawless service.

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Ben Clark

CTO at Smith.ai

Frequently Asked Questions

Answers to common questions teams ask when testing voice agents.

Hamming supports testing across all major English accents including American (various regional), British (RP, Cockney, Northern), Australian, Canadian, Indian, Irish, Scottish, South African, and New Zealand English. We also support testing with non-native English speakers from various linguistic backgrounds.

Our testing framework includes comprehensive slang dictionaries and colloquialism databases for different English-speaking regions. You can test how your voice agent handles informal language, regional expressions, and generational slang to ensure natural conversations.

Yes! You can upload custom vocabulary lists, industry-specific terminology, and company jargon to test your voice agent's understanding. We support testing for healthcare, finance, legal, technology, and other specialized domains.

We use native speakers from each region for authentic accent testing, vary speech speeds from 80-200 words per minute, and test with different audio qualities to simulate real-world conditions. Our platform also validates pronunciation variations and regional vocabulary differences.