数字音频功率放大器发展之现状

本文论述音频放大器的发展过程和当前出现的数字音频功率放大器的国内外现状。通过此文，以引起我国广播电视、电影等专业单位对这一新鲜事物的关注。使得音频放大器这个盲区也能进入数字化时代。

Author discusses the developing process of audio amplifier and introduces current situation of digital audio power amplifier presented recently in this artiele, through which lets local broadcasters and film-makers ect.be aware of this new trend, hoping to make audio amplifier, a blind spot of professional industries, go into digitized era.