数字电视业的蓬勃发展,爆发出喜人的活力,而图像和声音正是影响观众满意度的两个重要因素,声音的不统一,音量忽高忽低会严重影响观众的满意度水平,影响数字电视的进一步发展。本文分析了几种数字电视音量的控制方案,并进行了对比,认为基于IP软交换技术的数字电视平台的软件解决方案是未来的发展方向,能够很好满足音量均衡的功能。 The thriving development of the digital television industry has witnessed a gratifying vitality. The image and sound are two important factors that affect the audience’s satisfaction. The voices are not uniform and the volume fluctuates sharply, which will seriously affect the level of audience satisfaction and affect the figures The further development of television. This paper analyzes several digital TV volume control programs, and compared, that IP softswitch-based digital television platform software solutions are the future direction of development, can well meet the volume balance function.