Perhaps it is inevitable that non-native speakers' English articulations are displayed with their local accents, which are usually based on their mother tongues or dominant languages. However, fluency in English pronunciation and communication is still achievable by these groups of speakers in outer and expanding circles. In these two circles,…

What is second language fluency? What is a foreign accent? Is it possible for an adult second language learner to speak fluently with a heavy accent or vice versa? What factors contribute to the perception of fluency and a foreign accent? What acoustic attributes correlate with the perception of fluency and a foreign accent? To answer these…