| With China’s TV vocation in recent years of booming development, TV audience demand for higher quality of television program, therefore the high definition (HD) television technique will come in recent year. From TV sound production perspective, audio engineer work on the subject that how to product stereo even 5.1 surround sound program take the place of mono sound program, and this turn will make TV sound production a great change.Most traditional TV studios can provide mono or one stereo signal. This cannot satisfy the requirements of HD television audio production, therefore the audio system’s redesign and hd remake is needed. This issue will take the JSTV 420㎡ multifunctional studio audio system design as an example to show the design and construction of the high-definition transformation process by the method of data analysis, technical analysis and example analysis. Through to the all above, this issue systematically and analyzes both the studio audio production and the traditional audio production mode. It discusses the similarities and differences of multichannel audio production and mono audio production. And it also discusses the the synchronization problem between audio and video, the loudness consistency problem, the program exchange problems. The main purpose of this issue is to provide reference and practical basis for the later studio HD remake. |