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    • 3. 发明申请
    • MULTICODEBOOK SOURCE-DEPENDENT CODING AND DECODING
    • 多媒体书源依赖编码和解码
    • US20100057448A1
    • 2010-03-04
    • US12312818
    • 2006-11-29
    • Paolo MassiminoPaolo CoppoMarco Vecchetti
    • Paolo MassiminoPaolo CoppoMarco Vecchetti
    • G10L19/00G10L19/12
    • G10L19/0018G10L19/04G10L2015/025G10L2019/0005
    • A method for coding data, includes: grouping data into frames; classifying the frames into classes; for each class, transforming the frames belonging to the class into filter parameter vectors, which are extracted from the frames by applying a first mathematical transformation; for each class, computing a filter codebook based on the filter parameter vectors belonging to the class; segmenting each frame into subframes; for each class, transforming the subframes belonging to the class into source parameter vectors, which are extracted from the subframes by applying a second mathematical transformation based on the filter codebook computed for the corresponding class; for each class, computing a source codebook based on the source parameter vectors belonging to the class; and coding the data based on the computed filter and source codebooks.
    • 一种编码数据的方法,包括:将数据分组成帧; 将框架分类为类; 对于每个类,将属于该类的帧变换为通过应用第一数学变换从帧中提取的过滤参数向量; 对于每个类,基于属于该类的过滤器参数向量来计算滤波码本; 将每个帧分割成子帧; 对于每个类,将属于该类的子帧转换为从子帧提取的源参数向量,通过对基于相应类计算的滤波码本应用第二数学变换; 对于每个类,基于属于该类的源参数向量计算源码本; 并且基于所计算的滤波器和源码本对数据进行编码。
    • 5. 发明授权
    • Multicodebook source-dependent coding and decoding
    • 多码本源依赖编码和解码
    • US08447594B2
    • 2013-05-21
    • US12312818
    • 2006-11-29
    • Paolo MassiminoPaolo CoppoMarco Vecchietti
    • Paolo MassiminoPaolo CoppoMarco Vecchietti
    • G10L19/12
    • G10L19/0018G10L19/04G10L2015/025G10L2019/0005
    • A method for coding data, includes: grouping data into frames; classifying the frames into classes; for each class, transforming the frames belonging to the class into filter parameter vectors, which are extracted from the frames by applying a first mathematical transformation; for each class, computing a filter codebook based on the filter parameter vectors belonging to the class; segmenting each frame into subframes; for each class, transforming the subframes belonging to the class into source parameter vectors, which are extracted from the subframes by applying a second mathematical transformation based on the filter codebook computed for the corresponding class; for each class, computing a source codebook based on the source parameter vectors belonging to the class; and coding the data based on the computed filter and source codebooks.
    • 一种编码数据的方法,包括:将数据分组成帧; 将框架分类为类; 对于每个类,将属于该类的帧变换为通过应用第一数学变换从帧中提取的过滤参数向量; 对于每个类,基于属于该类的过滤器参数向量来计算滤波码本; 将每个帧分割成子帧; 对于每个类,将属于该类的子帧转换为从子帧提取的源参数向量,通过对基于相应类计算的滤波码本应用第二数学变换; 对于每个类,基于属于该类的源参数向量计算源码本; 并且基于所计算的滤波器和源码本对数据进行编码。