用途：用于低电压输出放大，音频静音，直流-直流转换。
Purpose: Low voltage output amplifier, audio muting, DC-DC converter.
对于缓慢的计算机来说，启动和停止音频引擎要花一两秒时间，因而会在输出的事件之间留下不必要的长长的静音。
A slow computer will take a second or two to start and stop the audio engines, leaving unnecessarily large silences between events in the output.
当计算机中只有历时15分钟的电子邮件检查处于活动状态时，或者如果流音频连接在几个小时内一直处于静音播放状态，则关闭系统。
Shut down systems when only 15-minute E-mail checks are active, or when a streaming audio connection is left playing in mute for hours.
应用推荐