1. As a book which takes traditional written Chinese as a research object, QunjingYinbian not only quoted abundant classics literature materials, but also contained plenty of language materials such as zhiyin, fanqie, acceptation, derivation by phonetic change, and so on, which is a material mine for research on the phonetics, glossary of traditional written Chinese.
作为一部以古代书音为研究对象的音义兼注著作，《音辨》不仅引录了大量的经学文献资料，而且蕴含着丰富的直音、反切、词义、音变构词等语言研究资料，是研究先秦与汉魏六朝时期文献语言的语音、词义和音变构词法等的资料宝库，因此，它不仅具有较高的文献学价值，而且还具有十分重要的语言本体研究价值。
2. In modern chinese phonetics, tone sandhi of reduplicated adjectives, which is due to the influence of Beijing dialect, is often taught as an important sound change pattern.
在现代汉语语音教学中，叠音形容词变调常作为一条重要的音变规律提出。
3. The tone change in Chinese is one of the important research topics in Phonetics and Dialectology. According to related researches by some experts and professors, the simplification and mergence of tones is the main trend of the tone changes in Chinese dialect.
汉语声调的演变是语音学研究和方言学研究的重要课题之一，声调的简化与合并是汉语声调演变的一大趋势。