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    • 3. 发明公开
    • N-차원 공간 이분법 기반 벡터 양자화기
    • 基于N维空间双曲线的矢量量测器
    • KR1020080077166A
    • 2008-08-21
    • KR1020087014018
    • 2006-11-07
    • 아트멜 코포레이션
    • 삐에베뜨,세바스챤
    • H03M7/00G06F17/10G06K9/36
    • H03M1/066G06K9/6282H03M1/0668H03M3/464H03M3/502H03M7/3008
    • A method and system for quantizing a vector corresponding to an input signal is described. The vector has a plurality of components corresponding to an N-dimensional space. In one aspect, the method and system include recursively dividing the space into equal spaces having one dimension less than a previous recursion until end spaces are formed. Each end space is two-dimensional. The method and system also include asynchronously comparing the components in each end space to determine a sub-space of a particular end space having a closest match to the vector. In another aspect, the method and system include providing tree(s) including a plurality of nodes and asynchronously traversing the tree(s) to determine a closest match to the vector. The nodes correspond to ANDs of comparisons between the components. Each comparison determines whether a first component is greater than a second component.
    • 描述用于量化对应于输入信号的向量的方法和系统。 矢量具有对应于N维空间的多个分量。 在一个方面,方法和系统包括将空间递归地分成等于具有小于先前递归的维度的空间,直到形成最终空格。 每个结束空间都是二维的。 该方法和系统还包括异步地比较每个结束空间中的组件,以确定具有与向量最接近的匹配的特定终端空间的子空间。 在另一方面,所述方法和系统包括提供包括多个节点的树,并且异步地遍历所述树以确定与所述向量最接近的匹配。 节点对应于组件之间的比较的AND。 每个比较确定第一分量是否大于第二分量。