1. An instrument for measuring hearing activity for pure tones of normally audible frequencies. 听度''。'计'。''，听力''。'计'。''对正常可听单音频的听觉能力测定仪。
2. On dictation equipment, a device that gives an audible or visual signal at the end of the recording medium. 口述记录设备上的一种装置，当到达记录媒体末端时发出一个声响信号或可视信号。
3. PWM testing procedures after running through control of the Super Terminal can change frequency audible and change. PWM测试程序，运行后通过控制超级终端可以改变频率值及改变发声。
英英解释
n.
1. a football play is changed orally after both teams have assumed their positions at the line of scrim
2. heard or perceptible by the ear
网络释义
audible 听得见的;
可听的;
可闻的;
可听的、听得见的;
audible noise 可闻噪声;
声频噪声;
可闻声;
声频噪声，可闻声音;
audible frequency 声频;
音频，声频，可听频率;
声频，听音频率;
释义：(成)声频(率);
