Clear, Confident Global English Communication
Accent Test combines acoustic phonetics with state-of-the-art multimodal AI to help global speakers understand their accent patterns, enhance intelligibility, and communicate with authority.
Our Philosophy: Intelligibility Over Accent Erasure
For decades, traditional language teaching pushed the harmful myth that non-native speakers must "erase" their accents to sound like native speakers from London or New York. Modern sociolinguistic research shows that over 80% of global English conversations now occur between non-native speakers. Your accent is a proud reflection of your linguistic identity—not a defect.
Our goal at Accent Test is to provide accessible, high-precision phonetic diagnostics for everyone. We focus on intelligibility and acoustic clarity—vowel quality, syllable stress timing, consonant articulation, and melodic cadence—empowering you to be effortlessly understood in international meetings, academic exams, and everyday life.
Diagnostic Framework & Acoustic Methodology
Combining the International Phonetic Alphabet (IPA) framework with Google Gemini multimodal speech intelligence
1. IPA Phonetic Alignment
Diagnostic rubrics and diagnostic passages map directly to the International Phonetic Alphabet (IPA) standard across 44 English phonemes, targeting tense/lax vowel pairs, dental fricatives, and consonant clusters.
2. Multimodal AI Speech Analysis
We utilize Google Gemini multimodal AI to process spoken audio in real time, evaluating acoustic characteristics including vowel clarity, intonation contours, and sentence stress timing.
3. L1 Transfer & Error Diagnostics
The engine evaluates common first-language (L1) phonetic transfer patterns (such as vowel epenthesis, consonant devoicing, and stress neutralization) to provide targeted pronunciation feedback.
4. Evidence-Based Practice Routines
Diagnostic results pair with established pedagogical methodologies including minimal pair contrasts, Alexander Arguelles speech shadowing drills, and rhythm stress-timing exercises.
Project Background & Attribution
About the Accent Test project, educational sources, and technical foundation
Accent Test is an educational speech technology project created and maintained by independent developer Old Cai (hi@oldcai.com). Our mission is to make high-quality English pronunciation diagnostics freely accessible worldwide.
All educational articles, phonetic guides, and pronunciation drills published on this website are compiled referencing published applied linguistics literature, the International Phonetic Alphabet (IPA), the Common European Framework of Reference (CEFR), and public IELTS/TOEFL speaking assessment descriptors.
IPA Standards
Aligned with 44 English phonemes and vowel spaces
Google Gemini AI
Powers real-time acoustic speech evaluation
CEFR Benchmarks
Focusing on clarity for global exams & business
Privacy by Design: Zero Audio Storage
Your privacy is paramount. Accent Test does not retain or store your voice recordings on our servers; audio is forwarded via secure API to Google Gemini solely to generate the single analysis. See our Privacy Policy。
Editorial Transparency & Sourcing
All educational articles and pronunciation guides cite established linguistic sources and phonetic standards. AI diagnostic feedback is designed for formative practice and self-improvement, complementing formal ESL instruction.
Questions, Feedback, or Inquiries?
Whether you have feedback on our acoustic evaluations or inquiries regarding academic collaboration, our team is here to help. We typically respond within 24–48 hours.