一、前言音量表又叫节目电平指示器,是广播、电视、电影、唱片等领域中极为重要的一种节目监测用部件,它的技术性能与质量好坏将直接影响到声音的录制和重放质量。目前在声频设备中所使用的音量表尚不完全统一,这对于交换节目,统一电平,压缩节目动态,确定录音标准电平以 First, the preamble Scale, also known as program level indicator, is a very important part of the program monitoring components in the fields of radio, television, film, record and so on, its technical performance and quality will directly affect the sound recording and Replay quality. Currently used in audio devices in the volume meter is not completely unified, which exchange programs, unified level, compressed program dynamics, to determine the recording standard level