摘要
介绍了各种关于电视节目响度测量的标准,以及几种电视节目响度控制的方法,同时提出了基于GY/T 270—2013《数字电视隐藏字幕系统规范》的利用字幕出现的时间同步信息的响度测量设想。该设想与Dolby公司的对白归一方法非常接近,可应用到符合GY/T 270—2013规范的双声道节目中,具有一定的参考价值。
A method for loudness measurement with time information of caption which based on the standard GY/T 270--2013 speefieation of closed caption system for digital television was introduced by this paper. Compared to the other loudness measurement methods, this method is similar to the method of Dolby dialogue normalization, and it has the certain reference value and can he used for two channel TV program which according to the standard GY/T 270--2013.
出处
《电视技术》
北大核心
2016年第8期84-86,共3页
Video Engineering
关键词
响度
对白归一
字幕
同步
loudness
dialogue normalization
caption
synchronization
