电脑声音系统模拟信号录音噪声分析  

Analysis on Analog Signal Recording Noise of Computer Voice System

作　　者：李鹏勇 

机构地区：[1]阳城县广播电视台,山西阳城048100

出　　处：《科技情报开发与经济》2011年第22期104-106,共3页Sci-Tech Information Development & Economy

摘　　要：利用Adobe Audition 3.0软件强大的分析处理功能,以ALC655为例,测试了模拟信号录制的A加权噪声电平,分析了造成录音本底噪声过大的电路设计原因,提出改善电脑录音的几种方法。By using stronger analyzing and processing functions of software Adobe Audition 3.0,and taking ALC655 as an example,this paper tests weighted noise level A recorded by analog signal,analyzes the reasons of overloud recording background noise in circuit design,and puts forward some methods for improving the computer recording.

关 键 词：电脑录音 电脑声音系统 模拟信号 ADOBE AUDITION 3.0 噪声电平 

分 类 号：TN911.4[电子电信—通信与信息系统]