This book is the 11th series of the Journal of Chinese Chinese Music, and the first to third volumes were published in the Commercial Press and moved to China Social Sciences Press from the fourth series. Organized by the Institute of Linguistics of the Chinese Academy of Social Sciences, this book is the most important publishing platform in the field of Chinese and Chinese phonetics, marking the latest achievements in phonetics. There are a large number of experimental phonetic results in this issue, including phonetic analysis of Wu, Cantonese and other Chinese dialects. Phonetics is playing an increasingly important role in network technology and other fields. The main contents of this book include "Speech Implementation of Mandarin Multifocal Tone", "The Influence of Vocal Types on Tone Perception", "Research on the Acoustics and Perception of Dehong Dai Long and Short Vowel", "The Influence of Energy Envelope and Tone Length on Tone Perception in Putonghua", "Pitch Boundary of Flat Tone", etc. With the theme of "speech perception", this issue makes new explorations in the field of speech perception.