响度控制在广播系统中的应用

Application of Loudness Control in Broadcasting System

同一音频节目或不同音频节目间响度差异过大,会给听众带来听觉的疲惫,严重影响节目的收听效果。因此我们需要在广播系统中进行响度控制。本文介绍了响度的基本概念,并分析了广播音频链路中,制作、播出等环节存在响度一致性问题的原因,在此基础上提出了在制作、播出和传输环节解决响度一致性问题的方案。

Loudness inconsistency among segments in the same audio program or audio programs causes auditory fatigue and impacts the quality of broadcasting. Loudness control is necessary in broadcasting systems. This paper introduces the concept of loudness. Then it analyzes the root of loudness inconsistency issue in audio path of a broadcasting system. Finally, a solution for achieving high loudness consistency in production, broadcasting and transmission is proposed.