论文部分内容阅读
CD是Compact Disc英文的缩写,意思是激光唱片,通常也泛指使用光学(激光)方法的小型数字音响唱片系统。它作为音频数字化的重要成果,标志着数字音响的新时代已经到来。以CD机为代表的数字音响技术已成为当今电子音响技术发展的主流。CD机与一般我们所看到的磁带录音机最本质的区别:一个是数字音响系统, 一个是模拟信号系统。CD机有两个主要的特点:①模拟音频信号数字化,既然是数字音响,自然首先必须把模拟的声音信号转变成′0′、′1′的数字信号,
CD is an abbreviation of Compact Disc English, which means a compact disc, and generally refers to a compact digital audio recording system that uses an optical (laser) method. It as an important result of digital audio, marking a new era of digital audio has arrived. The digital audio technology represented by the CD player has become the mainstream of the development of the electronic audio technology today. CD players and we generally see the tape recorder the most essential difference: one is a digital sound system, one is an analog signal system. CD player has two main features: ① analog audio signal digital, since it is digital audio, of course, the first must be analog audio signal into a ’0’, ’1’ digital signal,