Low-complexity spectral analysis/synthesis using selectable time resolution
    31.
    发明授权
    Low-complexity spectral analysis/synthesis using selectable time resolution 有权
    使用可选择的时间分辨率的低复杂度光谱分析/综合

    公开(公告)号:US08392202B2

    公开(公告)日:2013-03-05

    申请号:US12675461

    申请日:2008-08-25

    Applicant: Anisse Taleb

    Inventor: Anisse Taleb

    CPC classification number: G10L19/02 G10L19/022

    Abstract: The signal processing is based on the concept of using a time-domain aliased (12, TDA) frame as a basis for time segmentation (14) and spectral analysis (16), performing segmentation in time based on the time-domain aliased frame and performing spectral analysis based on the resulting time segments. The time resolution of the overall ?segmented? time-to-frequency transform can thus be changed by simply adapting the time segmentation to obtain a suitable number of time segments based on which spectral analysis is applied. The overall set of spectral coefficients, obtained for all the segments, provides a selectable time-frequency tiling of the original signal frame.

    Abstract translation: 信号处理基于使用时域混叠(12,TDA)帧作为时间分割(14)和频谱分析(16)的基础的概念,基于时域混叠帧在时间上执行分割,并且 基于所得到的时间段进行光谱分析。 因此,通过简单地调整时间分割以基于哪个频谱分析被应用来获得合适数量的时间段,可以改变整个“分段”时间 - 频率变换的时间分辨率。 对于所有段获得的总体频谱系数集合提供了原始信号帧的可选择的时频平铺。

    Network processing node and method for manipulating packets
    32.
    发明授权
    Network processing node and method for manipulating packets 有权
    网络处理节点和操作数据包的方法

    公开(公告)号:US08315238B2

    公开(公告)日:2012-11-20

    申请号:US13195315

    申请日:2011-08-01

    Abstract: A network processing node (e.g., MGW, MRFP) and method are described herein that can: (1) receive packets on a first heterogeneous link (e.g., wireless link); (2) manipulate the received packets based on known characteristics about a second heterogeneous link (e.g., “Internet” link); and (3) send the manipulated packets on the second heterogeneous link (e.g., “Internet” link). For example, the network processing node can manipulate the received packets by adding redundancy, removing redundancy, frame aggregating (re-packetizing), recovering lost packets and/or re-transmitting packets.

    Abstract translation: 本文描述了可以:(1)在第一异构链路(例如,无线链路)上接收分组的网络处理节点(例如,MGW,MRFP)和方法; (2)基于关于第二异构链路(例如,因特网链路)的已知特性来操纵所接收的分组; 和(3)在第二异构链路(例如,因特网链路)上发送被操纵的分组。 例如,网络处理节点可以通过添加冗余,去除冗余,帧聚合(重新分组),恢复丢失的分组和/或重新发送分组来操纵所接收的分组。

    Method and arrangement for a decoder for multi-channel surround sound
    33.
    发明授权
    Method and arrangement for a decoder for multi-channel surround sound 有权
    用于多通道环绕声解码器的方法和装置

    公开(公告)号:US08126152B2

    公开(公告)日:2012-02-28

    申请号:US12295172

    申请日:2007-03-28

    Applicant: Anisse Taleb

    Inventor: Anisse Taleb

    CPC classification number: H04S3/02 G10L19/008 H04S2420/03

    Abstract: The basic concept of the present invention is to extrapolate a partially known spatial covariance matrix of a multi-channel signal in the parameter domain. The extrapolated covariance matrix is used with the downcoded downmix signal in order to efficiently generate an estimate of a linear combination of the multi-channel signals.

    Abstract translation: 本发明的基本概念是推断参数域中的多信道信号的部分已知的空间协方差矩阵。 外推协方差矩阵与降频缩减信号一起使用,以有效地产生多信道信号的线性组合的估计。

    Fidelity-optimized variable frame length encoding
    34.
    发明授权
    Fidelity-optimized variable frame length encoding 有权
    保真优化可变帧长度编码

    公开(公告)号:US07809579B2

    公开(公告)日:2010-10-05

    申请号:US11011765

    申请日:2004-12-15

    CPC classification number: G10L19/008 G10L19/022

    Abstract: Polyphonic signals are used to create a main signal, typically a mono signal, and a side signal. A number of encoding schemes for the side signal are provided. Each encoding scheme is characterized by a set of sub-frames of different lengths. The total length of the sub-frames corresponds to the length of the encoding frame of the encoding scheme. The encoding scheme to be used on the side signal is selected dependent on the present signal content of the polyphonic signals. In a preferred embodiment, a side residual signal is created as the difference between the side signal and the main signal scaled with a balance factor. The balance factor is selected to minimize the side residual signal. The optimized side residual signal and the balance factor are encoded and provided as encoding parameters representing the side signal.

    Abstract translation: 复音信号用于创建主信号,通常为单声道信号和侧信号。 提供了用于侧信号的多种编码方案。 每个编码方案的特征在于一组不同长度的子帧。 子帧的总长度对应于编码方案的编码帧的长度。 在侧信号上使用的编码方案根据和弦信号的当前信号内容而选择。 在优选实施例中,产生侧残留信号作为侧平衡信号和主信号之间的差以平衡系数进行了缩放。 选择平衡因子以最小化侧残留信号。 优化的侧残留信号和平衡因子被编码并作为表示侧信号的编码参数提供。

    METHOD AND ARRANGEMENT FOR A DECODER FOR MULTI-CHANNEL SURROUND SOUND
    35.
    发明申请
    METHOD AND ARRANGEMENT FOR A DECODER FOR MULTI-CHANNEL SURROUND SOUND 有权
    用于多通道环绕声解码器的方法和装配

    公开(公告)号:US20090110203A1

    公开(公告)日:2009-04-30

    申请号:US12295172

    申请日:2007-03-28

    Applicant: Anisse Taleb

    Inventor: Anisse Taleb

    CPC classification number: H04S3/02 G10L19/008 H04S2420/03

    Abstract: The basic concept of the present invention is to extrapolate a partially known spatial covariance matrix of a multi-channel signal in the parameter domain. The extrapolated covariance matrix is used with the downcoded downmix signal in order to efficiently generate an estimate of a linear combination of the multi-channel signals.

    Abstract translation: 本发明的基本概念是推断参数域中的多信道信号的部分已知空间协方差矩阵。 外推协方差矩阵与降频缩减信号一起使用,以有效地产生多信道信号的线性组合的估计。

    Network processing node and method for manipulating packets
    36.
    发明申请
    Network processing node and method for manipulating packets 审中-公开
    网络处理节点和操作数据包的方法

    公开(公告)号:US20070147314A1

    公开(公告)日:2007-06-28

    申请号:US11275325

    申请日:2005-12-22

    Abstract: A network processing node (e.g., MGW, MRFP) and method are described herein that can: (1) receive packets on a first heterogeneous link (e.g., wireless link); (2) manipulate the received packets based on known characteristics about a second heterogeneous link (e.g., “Internet” link); and (3) send the manipulated packets on the second heterogeneous link (e.g., “Internet”-link). For example, the network processing node can manipulate the received packets by adding redundancy, removing redundancy, frame aggregating (re-packetizing), recovering lost packets and/or re-transmitting packets.

    Abstract translation: 本文描述了可以:(1)在第一异构链路(例如,无线链路)上接收分组的网络处理节点(例如,MGW,MRFP)和方法; (2)基于关于第二异构链路(例如,“因特网”链路)的已知特性来操纵接收的分组; 和(3)在第二异构链路(例如,“因特网”链路)上发送操纵的分组。 例如,网络处理节点可以通过添加冗余,去除冗余,帧聚合(重新分组),恢复丢失的分组和/或重新发送分组来操纵所接收的分组。

    Partial spectral loss concealment in transform codecs
    37.
    发明申请
    Partial spectral loss concealment in transform codecs 有权
    变换编解码器中部分频谱损耗隐藏

    公开(公告)号:US20050163234A1

    公开(公告)日:2005-07-28

    申请号:US11011780

    申请日:2004-12-15

    Applicant: Anisse Taleb

    Inventor: Anisse Taleb

    Abstract: The invention concerns a frequency-domain error concealment technique for information that is represented, on a frame-by-frame basis, by coding coefficients. The basic idea is to conceal an erroneous coding coefficient by exploiting coding coefficient correlation in both time and frequency. The technique is applicable to any information, such as audio, video and image data, that is compressed into coding coefficients and transmitted under adverse channel conditions. The error concealment technique proposed by the invention has the clear advantage of exploiting the redundancy of the original information signal in time as well as frequency. For example, this offers the possibility to exploit redundancy between frames (inter-frame) as well as within frames (intra-frame). The use of coding coefficients from the same frame as the erroneous coding coefficient is sometimes referred to as intra-frame coefficient correlation and it is a special case of the more general frequency correlation.

    Abstract translation: 本发明涉及用于通过编码系数逐帧地表示的信息的频域错误隐藏技术。 基本思想是通过利用时间和频率上的编码系数相关性来隐藏错误的编码系数。 该技术适用于压缩成编码系数并在不利信道条件下发送的任何信息,如音频,视频和图像数据。 本发明提出的错误隐藏技术具有在时间和频率上开发原始信息信号冗余的明显优点。 例如,这提供了利用帧(帧间)以及帧内(帧内)之间的冗余的可能性。 使用与错误编码系数相同的帧的编码系数有时被称为帧内系数相关,并且是更一般的频率相关的特殊情况。

    Fidelity-optimized variable frame length encoding
    38.
    发明申请
    Fidelity-optimized variable frame length encoding 有权
    保真优化可变帧长度编码

    公开(公告)号:US20050149322A1

    公开(公告)日:2005-07-07

    申请号:US11011765

    申请日:2004-12-15

    CPC classification number: G10L19/008 G10L19/022

    Abstract: Polyphonic signals are used to create a main signal, typically a mono signal, and a side signal. A number of encoding schemes for the side signal are provided. Each encoding scheme is characterized by a set of sub-frames of different lengths. The total length of the sub-frames corresponds to the length of the encoding frame of the encoding scheme. The encoding scheme to be used on the side signal is selected dependent on the present signal content of the polyphonic signals. In a preferred embodiment, a side residual signal is created as the difference between the side signal and the main signal scaled with a balance factor. The balance factor is selected to minimize the side residual signal. The optimized side residual signal and the balance factor are encoded and provided as encoding parameters representing the side signal.

    Abstract translation: 复音信号用于创建主信号,通常为单声道信号和侧信号。 提供了用于侧信号的多种编码方案。 每个编码方案的特征在于一组不同长度的子帧。 子帧的总长度对应于编码方案的编码帧的长度。 在侧信号上使用的编码方案根据和弦信号的当前信号内容而选择。 在优选实施例中,产生侧残留信号作为侧平衡信号和主信号之间的差以平衡系数进行了缩放。 选择平衡因子以最小化侧残留信号。 优化的侧残留信号和平衡因子被编码并作为表示侧信号的编码参数提供。

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