loudness

名词 loudness:

1. the magnitude of sound (usually in a specified direction)
   同义词：volume, intensity
2. tasteless showiness
   同义词：flashiness, garishness, gaudiness, brashness, meretriciousness, tawdriness, glitz

1. A change in stress, pitch, loudness, or tone of the voice; an inflection of the voice.
   变音在语调、音高、音量或音调上的变化; 声音的一种转调
2. The amplitude or loudness of a sound.
   音量声音的响度或强度
3. The act or an instance of gradually diminishing in brightness, loudness, or strength until actual disappearance occurs.
   逐渐消失在亮度、响度或精力上逐渐减弱直至全部消失的活动或例子