Korean Accent in English: Common Pronunciation Problems and How to Fix Them
A Korean accent in English comes from the Korean sound system. Learn the common pronunciation problems and how to train each American sound.
Chinese Accent in English: Common Pronunciation Problems and How to Fix Them
A Chinese accent in English comes from the Mandarin sound system. Learn the common pronunciation problems and how to train each American sound.
Nigerian Accent in English: Common Pronunciation Problems and How to Fix Them
A Nigerian accent in English comes from the Nigerian English sound system. Learn the common pronunciation problems and how to train each American sound.
Filipino Accent in English: Common Pronunciation Problems and How to Fix Them
A Filipino accent in English comes from the Filipino sound system. Learn the common pronunciation problems and how to train each American sound.
TOEFL Speaking and Listening: How the American Sound System Helps International Students (Plus IELTS, FCE and CAE)

TOEFL speaking and listening for students who want to study in the USA: train the whole American sound system to understand fast English and speak clearly.
InPronunci for ESL Teachers: A Structured Way of Teaching Pronunciation to ESL Students Worldwide

A pronunciation app for ESL teachers and departments worldwide: sound-by-sound lessons, ESL pronunciation activities, AI feedback, free Chapter 1.
How Do Non-Native Speakers Practice English Intonation and Stress Patterns?

A step-by-step way for non-native speakers to practice American English stress, rhythm and intonation, from individual sounds to full paragraphs.
How Long Does It Take to Learn an American Accent?

How long American accent training takes, with real before-and-after timelines from students of Prof. Alex, Ph.D. Accent Coach, and what speeds progress up.
Are AI Pronunciation Feedback Apps Worth Paying For?
Are AI pronunciation apps worth paying for? What research says about AI feedback, 5 checks before you pay, 2026 prices, and how to test an app first.
Arabic Accent in English: Common Pronunciation Problems and How to Fix Them
Why Arabic speakers have an accent in English, the 11 most common pronunciation problems, practice word pairs, and the best American accent training app for Arabic speakers.