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    • 8. 发明授权
    • Low complexity target vector identification
    • 低复杂度目标矢量识别
    • US09196255B2
    • 2015-11-24
    • US13988952
    • 2010-11-26
    • Adriana VasilacheLasse Juhani LaaksonenAnssi Sakari RämöMikko Tapio Tammi
    • Adriana VasilacheLasse Juhani LaaksonenAnssi Sakari RämöMikko Tapio Tammi
    • G10L19/00G10L19/038H03M7/30
    • G10L19/0019G10L19/038H03M7/3082
    • It is inter alia disclosed to identify one or more target vectors from a plurality of candidate vectors, each candidate vector having sorted elements and being associated with a respective class of one or more code vectors of a codebook and at least one of the candidate vectors being associated with a respective class of two or more code vectors that comprise the respective candidate vector and at least one code vector obtainable from the respective candidate vector by one of permutation and signed permutation, the target vectors having, among all candidate vectors of the plurality of candidate vectors, smallest distances towards a at least sorted representation of an input vector. The identifying comprises checking, for a candidate vector of the plurality of candidate vectors, at least based on a distance between the candidate vector and a reference vector and on a distance between the reference vector and the at least sorted representation of the input vector, if a distance between the at least sorted representation of the input vector and the candidate vector is larger than a distance between the at least sorted representation of the input vector and the reference vector. The identifying further comprises computing, for the candidate vector, the distance between the at least sorted representation of the input vector and the candidate vector only if the checking yields a negative result.
    • 特别地公开了从多个候选向量中识别一个或多个目标向量,每个候选向量具有排序的元素并且与码本的一个或多个码矢量的相应类别相关联,并且至少一个候选向量是 与相应类别的两个或更多个代码矢量相关联,所述两个或更多个码矢量包括相应的候选矢量和至少一个代码矢量,所述至少一个代码矢量可以通过排列和带符号排列之一从各个候选矢量获得,所述目标矢量在所述多个 候选向量,到输入向量的至少排序表示的最小距离。 所述识别包括至少基于所述候选向量与参考向量之间的距离以及所述参考向量与所述输入向量的所述至少排序表示之间的距离来检查所述多个候选向量中的候选向量,如果 输入向量的至少排序表示与候选向量之间的距离大于输入向量的至少排序表示与参考向量之间的距离。 所述识别还包括仅在所述检查产生否定结果时,为所述候选向量计算所述输入向量的所述至少排序表示与所述候选向量之间的距离。
    • 9. 发明申请
    • AUDIO ENCODER OR DECODER APPARATUS
    • 音频编码器或解码器设备
    • US20130226598A1
    • 2013-08-29
    • US13880038
    • 2010-10-18
    • Lasse Juhani LaaksonenMikko Tapio TammiAdriana VasilacheAnssi Sakari Rämö
    • Lasse Juhani LaaksonenMikko Tapio TammiAdriana VasilacheAnssi Sakari Rämö
    • G10L19/00
    • G10L19/00G10L19/0208G10L19/24G10L21/038
    • An apparatus comprising at least one processor and at least one memory including computer program code the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform: determining from an audio signal at least a first part and a second part; encoding the first part of the audio signal with a first encoder for generating a first encoded audio signal; encoding the second part of the audio signal with a second encoder configured to generate a second encoded audio signal comprising for a first section of the second part an indicator to at least part of the first part of the audio signal; and determining the first section of the second part of the audio signal such that the first encoded audio signal and second encoded audio signal is within a defined encoding efficiency parameter.
    • 一种装置,包括至少一个处理器和包括计算机程序代码的至少一个存储器,所述至少一个存储器和所述计算机程序代码被配置为与所述至少一个处理器一起使得所述设备至少执行:从音频信号 至少第一部分和第二部分; 用用于产生第一编码音频信号的第一编码器对音频信号的第一部分进行编码; 用配置成生成第二编码音频信号的第二编码器对所述音频信号的第二部分进行编码,所述第二编码音频信号包括将所述第二部分的第一部分指示给所述音频信号的所述第一部分的至少一部分; 以及确定音频信号的第二部分的第一部分,使得第一编码音频信号和第二编码音频信号在限定的编码效率参数内。
    • 10. 发明申请
    • LOW COMPLEXITY TARGET VECTOR IDENTIFICATION
    • 低复杂度目标矢量标识
    • US20130238346A1
    • 2013-09-12
    • US13988952
    • 2010-11-26
    • Adriana VasilacheLasse Juhani LaaksonenAnssi Sakari RämöMikko Tapio Tammi
    • Adriana VasilacheLasse Juhani LaaksonenAnssi Sakari RämöMikko Tapio Tammi
    • G10L19/00
    • G10L19/0019G10L19/038H03M7/3082
    • It is inter alia disclosed to identify one or more target vectors from a plurality of candidate vectors, each candidate vector having sorted elements and being associated with a respective class of one or more code vectors of a codebook and at least one of the candidate vectors being associated with a respective class of two or more code vectors that comprise the respective candidate vector and at least one code vector obtainable from the respective candidate vector by one of permutation and signed permutation, the target vectors having, among all candidate vectors of the plurality of candidate vectors, smallest distances towards a at least sorted representation of an input vector. The identifying comprises checking, for a candidate vector of the plurality of candidate vectors, at least based on a distance between the candidate vector and a reference vector and on a distance between the reference vector and the at least sorted representation of the input vector, if a distance between the at least sorted representation of the input vector and the candidate vector is larger than a distance between the at least sorted representation of the input vector and the reference vector. The identifying further comprises computing, for the candidate vector, the distance between the at least sorted representation of the input vector and the candidate vector only if the checking yields a negative result.
    • 特别地公开了从多个候选向量中识别一个或多个目标向量,每个候选向量具有排序的元素并且与码本的一个或多个码矢量的相应类别相关联,并且至少一个候选向量是 与相应类别的两个或更多个代码矢量相关联,所述两个或更多个码矢量包括相应的候选矢量和至少一个代码矢量,所述至少一个代码矢量可以通过排列和带符号排列之一从各个候选矢量获得,所述目标矢量在所述多个 候选向量,到输入向量的至少排序表示的最小距离。 所述识别包括至少基于所述候选向量与参考向量之间的距离以及所述参考向量与所述输入向量的所述至少排序表示之间的距离来检查所述多个候选向量中的候选向量,如果 输入向量的至少排序表示与候选向量之间的距离大于输入向量的至少排序表示与参考向量之间的距离。 所述识别还包括仅在所述检查产生否定结果时,为所述候选向量计算所述输入向量的所述至少排序表示与所述候选向量之间的距离。