This paper designs a CODEC chip of audio signal processing, and the multi-level filter is discussed.
设计了一种可用于语音信号处理的CODEC芯片，讨论了滤波器组的多级实现。
System hardware circuit audio digital signal source achieve this functions: sound signals, sound intensity level control, data communications, liquid crystal display, alarm and power.
系统硬件电路包括音频数字信号源实现声音信号产生、数字声强级控制、多机数据通信、液晶显示和电源等模块单元。
The noise gate is used to mute an audio signal once it falls beneath a set level for controlling background noise.
噪声门可将要求的音频信号在强度低于所选电平时无声以提供背景噪声控制。
Dolby Master Studio: This is targeted at high level users and supports 8-channel 7.1 audio with a signal-to-noise ratio of at leas 95.
杜比大师工作室：这是针对高层次的用户，并支持八声道音频7.1与信号杂讯比在租赁95。
Dolby Master Studio: This is targeted at high level users and supports 8-channel 7.1 audio with a signal-to-noise ratio of at leas 95.
杜比大师工作室：这是针对高层次的用户，并支持八声道音频7.1与信号杂讯比在租赁95。
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