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    • 5. 发明授权
    • Interface device for transmitting information between input/output means
    • 用于在输入/输出装置之间传送信息的接口装置
    • US06629183B1
    • 2003-09-30
    • US09422784
    • 1999-10-21
    • Udo GortzWolfgang TheimerAri Salomaki
    • Udo GortzWolfgang TheimerAri Salomaki
    • G06F1300
    • H04M1/6075G08G1/096811G08G1/096872G08G1/096894
    • The invention relates to an interface device (10) for transmitting information between input/output means (12, 13) and application units (11) in an information and/or communication system. In order, to be able to operate application units with different output/input means of a user interface without changing their input/output interface, the interface device comprises an interface circuit (14) and a storage device (15), connected to the interface circuit (14) for system data and input/output formats and structures, the interface circuit (14) processing input and/or output information to be transmitted in accordance with the stored system data as a function of the input/output means (12, 13) available with the aid of the stored input/output formats and structures, and outputting said information to the respective application unit (11) and/or to the input/output means (12, 13) available.
    • 本发明涉及一种用于在信息和/或通信系统中的输入/输出装置(12,13)和应用单元(11)之间传送信息的接口装置(10)。 为了能够在不改变其输入/输出接口的情况下操作具有用户界面的不同输出/输入装置的应用单元,接口设备包括连接到接口的接口电路(14)和存储设备(15) 用于系统数据和输入/输出格式和结构的电路(14),所述接口电路(14)根据所输入/输出装置(12,12)的功能,根据所存储的系统数据处理要发送的输入和/或输出信息, 借助于所存储的输入/输出格式和结构可用,并将所述信息输出到可用的各个应用单元(11)和/或输入/输出装置(12,13)。
    • 10. 发明授权
    • Method of synthesizing a block of a speech signal in a celp-type coder
    • 在celp型编码器中合成语音信号块的方法
    • US5893061A
    • 1999-04-06
    • US744683
    • 1996-11-06
    • Udo Gortz
    • Udo Gortz
    • G10L19/113G10L9/14
    • G10L19/113
    • A new scheme to generate the stochastic excitation for a CELP-type speech codec based upon a hybrid stochastic codebook search technique including use of regular pulse excitation codebooks is described. From the ideal RPE sequence the position of the first nonzero pulse and the position of the pulse with maximum amount as well as the overall sign of the RPE sequence are determined. The corresponding target vectors and pulse responses of the synthesis filter are stored in databases belonging to the positions of the maximum pulse, respectively. These databases are used to derive the stochastic codebook via the so-called LBG-algorithm. Once the codebook has become available, the position of the maximum pulse serves as pre-selection measure to limit the search for the "best" candidate vector to a "small" subset of the stochastic codebook.
    • 描述了基于包括使用常规脉冲激励码本的混合随机码本搜索技术来生成用于CELP型语音编解码器的随机激励的新方案。 从理想的RPE序列确定第一非零脉冲的位置和具有最大量的脉冲的位置以及RPE序列的总体符号。 合成滤波器的相应目标矢量和脉冲响应分别存储在属于最大脉冲位置的数据库中。 这些数据库用于通过所谓的LBG算法来导出随机码本。 一旦码本变得可用,最大脉冲的位置用作预选择度量,以将搜索“最佳”候选向量限制到随机码本的“小”子集。