Press the setup button to display the setup menu, and move the highlight down to audio.
按Setup键显示Setup菜单，然后移动亮条到Audio选项上。
Music, of course, is just a special case of general audio, but an important one.
当然，音乐是声波的一种特殊情况，但却是重要的一种。
An electromagnetic wave of audio frequency produced by atmospheric disturbances such as lightning, having a characteristically decreasing frequency responsible for a whistling sound of descending pitch in detection equipment.
啸声干扰一种由于诸如闪电等大气干扰而产生的音频电磁波，具有典型的逐渐减弱频率的特征，该频减引起了检波设备中调逐渐下降的啸声
