VQ codebook design is essentially a classification of training vectors.

矢量量化码书设计本质是搜索训练矢量的最佳分类。

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First, the algorithm is used to design the codebook of the speech coding parameters.

首先，采用改进的模拟退火算法设计语音编码参数矢量量化码本。

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So, how to achieve global optimal codebook become the one of key problems of designing VQ algorithm.

因此，如何获得全局最优的码书成为矢量量化算法设计的主要研究问题之一。

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GCHQ, however, remains skeptical, stating that without the exact codebook, or full details of the encryption, it's impossible to verify any alleged solution.

ENGADGET: Alt-week 12.22.12: strange skulls, solar portraits and 17-minute code cracking

Gord Young, from Ontario, inherited a codebook which he thinks holds the key, believing the message relies on a cipher also used in World War I.

ENGADGET: Alt-week 12.22.12: strange skulls, solar portraits and 17-minute code cracking

Sharp like a great codebook of Martian geology.

NEWYORKER: The Martian Chroniclers