The book CD is book accessory, which explain the book contents with diagram, voice and image.

随书光盘是图书的附件，对图书内容进行图文声像的说明、解释和演绎。

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His latest CD, "With One Voice, " finds the veteran artist returning to his first love, gospel.

NPR: From Jazz to Gospel 'With One Voice'

Fraunhofer's Full-HD Voice technology is already widely used to provide CD-like audio quality for professional video conferencing systems, as well as consumer video telephony applications, such as apple FaceTime.

ENGADGET: Fraunhofer releases its 'CD-like' audio codecs to developers, lends a little HiFi to VoIP apps