声音录制和降低噪声的方法

制作多媒体CAI课件是现代教育技术的一项重要课题．怎样把多媒体CAI课件做得有声有色的关键是把磁带、收音机和电视上的声音或者我们自己的声音录入到电脑中，这就需要我们使用电脑中的录音功能．使用电脑录音牵涉到声卡的安装、驱动程序的设置以及录音程序的应用、噪声去除等技术，这就需要我们钻研和熟练地运用电脑的录音技术．

The recording of sound by Computer

The project of multimedia CAI courseware tends to a major subject in modem education technology. The key to design the multimedia courseware in a move way is to transfer sound to tapes ,radio and TV, and even our own voice to a computer,which involves the use of recording function in computer. The use of computer recording includes the installment of the sound card hardware, the setting up of a driver software and the application of a recording software, silencing of noise etc, which require a deep research and skillfull applying computer recording technology.