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音乐界正在测试4种新的防拷贝系统。设计这些系统是为防止消费者将CD拷贝到CD-ROM驱动器上,并使PCM音频文件不能被转换成压缩文件格式(如MP3)而存储在计算机硬盘上。这些系统都利用基本的Red Book CD标准、用于CD-ROM的Yellow Book标准和用于
The music industry is testing four new copy protection systems. These systems are designed to prevent consumers from copying a CD to a CD-ROM drive and storing the PCM audio file on a computer hard disk in a format that can not be converted to a compressed file, such as MP3. These systems make use of the basic Red Book CD standard, the Yellow Book standard for CD-ROMs, and are used