D类音频放大器设计：音频放大器的目的是以要求的音量和功率水平在发声输出元件上重新产生真实、高效和低失真的输入音频信号-Class D audio amplifier design: the audio amplifier is the purpose of the volume and power requirements of the level of sound output device in the re-created real, efficient, and low distorti

伴随着科学技术的迅速发展，人们生活水平的不断提高，对音频功率放大器的要求越来越高。音频是多媒体中的一种重要媒体。人能够听见的音频信号的频率范围大约是 60Hz-20kHz 其中语音大约分布在300Hz-4kHz之内，-With the rapid development of science and technology, improve people' s living standard, the audio power amplifiers have become increasing