The voice dubbing of Elf's national rhyme education is professionally certified by the state organs, registered with the Supervision Bureau, and its business scope is also within the scope permitted by law. Educational dubbing is true. She has participated in various programs of CCTV, Hunan Satellite TV and Sichuan Satellite TV and won various medals.

Guo Yun Education is a new online education institution with rich teachers and various educational products, which provides strong guidance and teaching for students of basic vocal music, instrumental music, broadcasting and dubbing. Excellent teachers and strong after-sales service have formed a set of mature online teaching.

Dubbing is a language art, and it is the creative work of the dubbing actor to shape and perfect various vivid and colorful characters with his own voice and language behind the screen and in front of the microphone.

Guo Yun's courses are produced by many teaching and research, which are unique to the college, rather than recording and broadcasting courses that can be seen everywhere outside. The early stage is to lay a solid foundation, and the later stage is to master skills, refine content and highlight difficulties.

Dubbing is the process of adding sound to movies or multimedia. In a narrow sense, it refers to the language dialogue in which the voice actor matches the voice for the role or replaces the role in the original film with other languages. At the same time, due to the mistakes and omissions in the voice, the process of restoring the dialogue for the segment by the original actor is also called dubbing. When recording a photographic work, the voice of the actor or singing voice is replaced by others, which is also called "dubbing".