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    • 53. 发明申请
    • Audio coding and decoding apparatuses and methods, and recording mediums storing the methods
    • 音频编码和解码装置和方法以及存储方法的记录介质
    • US20060206316A1
    • 2006-09-14
    • US11333342
    • 2006-01-18
    • Hosang SungRakesh TaoriKangeun Lee
    • Hosang SungRakesh TaoriKangeun Lee
    • G10L11/04
    • G10L19/24G10L19/06G10L19/09G10L19/093
    • Audio coding and decoding apparatuses and methods that can optimize the quality of an audio signal including harmonics, and recording mediums storing the methods. An audio coding apparatus includes: a first harmonic coding module performing first harmonic coding on an input audio signal using a pitch lag of the input audio signal and producing a quantized linear prediction coding coefficient; a first detector detecting a first difference audio signal from a difference between an audio signal output from the first harmonic coding module and the input audio signal; a second harmonic coding module performing harmonic coding on the first difference audio signal using the quantized linear prediction coding coefficient and a previous harmonic coding result; a second detector detecting a second difference audio signal obtained from a difference between an audio signal output from the second harmonic coding module and the first difference audio signal; and a code excited linear prediction (CELP) module CELP coding the second difference audio signal using the quantized linear prediction coding coefficient obtained from the first harmonic coding module.
    • 可以优化包括谐波的音频信号的质量的音频编码和解码装置和方法,以及存储方法的记录介质。 音频编码装置包括:第一谐波编码模块,使用输入音频信号的音调滞后对输入音频信号执行一次谐波编码,并产生量化的线性预测编码系数; 第一检测器,从第一谐波编码模块输出的音频信号与输入音频信号之间的差检测第一差分音频信号; 使用量化线性预测编码系数和先前的谐波编码结果对第一差分音频信号执行谐波编码的二次谐波编码模块; 第二检测器,检测从二次谐波编码模块输出的音频信号与第一差音频信号之间的差获得的第二差分音频信号; 以及使用从第一谐波编码模块获得的量化线性预测编码系数对第二差音频信号进行编码的码激励线性预测(CELP)模块CELP。
    • 54. 发明授权
    • Method of and system for coding and decoding sound signals
    • 声音信号的编码和解码方法和系统
    • US07069210B2
    • 2006-06-27
    • US09725415
    • 2000-11-29
    • Rakesh Taori
    • Rakesh Taori
    • G10L19/10
    • G10L19/02G10L19/005H03M13/00
    • Method of and system for coding a sound signal (10) as multiple independent streams of frames (14, 15) by creating frames (1,2,3,4,5,6) using sinusoidal coding and then placing frame i into stream i modulo the number of streams, method of and system for reconstructing a sound signal (23) by decoding frames from multiple streams (21, 22) in an interleaved fashion and reconstructing missing frames by using information from surrounding frames, system for recording and playing back sound signals implementing the above two methods, where under normal circumstances both streams (31, 32) of a coded signal are stored, and when capacity on the storage medium (35) is low, only one of the two streams of a coded signal is stored while one of the two streams of existing coded signals is overwritten and allowing a decoder (37) to reconstruct a sound signal by using either both or the one available stream for that sound signal.
    • 用于通过使用正弦编码创建帧(1,2,3,4,5,6)然后将帧i放入流i来将声音信号(10)编码为多个独立的帧流(14,15)的方法和系统 通过以交错方式解码来自多个流(21,22)的帧来重建声音信号(23)的流的数量,方法和系统的方法和系统,并且通过使用来自周围帧的信息,用于记录和回放的系统来重建丢失的帧 实现上述两种方法的声音信号,其中在正常情况下存储编码信号的两个流(31,32),并且当存储介质(35)上的容量低时,编码信号的两个流中只有一个是 存储在两个现有编码信号流中的一个被覆盖,并且允许解码器(37)通过使用该声音信号的两个或一个可用流来重构声音信号。
    • 59. 发明授权
    • Induced answering method and system for circuit switching-based telephony
    • 用于基于电路交换的电话的诱导应答方法和系统
    • US09094502B2
    • 2015-07-28
    • US13290371
    • 2011-11-07
    • Jos den HartogRogier August Caspar Joseph NoldusRakesh Taori
    • Jos den HartogRogier August Caspar Joseph NoldusRakesh Taori
    • H04L12/66H04M1/247H04M3/42H04M7/00
    • H04M1/2471H04M3/42059H04M7/0039H04M2203/2033H04M2203/257
    • A user terminal in a telecommunications network includes a circuit-switched (CS) telephony device and a packet-switched (PS) data processing device. The CS telephony device receives a CS-alert signal from the network for an incoming CS call and derives from the CS-alert signal that an associated PS signal is to be expected within a predetermined time interval. The terminal postpones generation of a call-received alarm for a user during the predetermined time interval. The PS data processing device receives the associated PS signal within the predetermined time interval, wherein the PS signal includes a request that the user terminal automatically answer the incoming CS call. In response to the request, the PS data processing device passes a control signal to the CS telephony device causing the CS telephony device to switch to an automatic answering mode and transmit a CS-answer signal to the network without input from the user.
    • 电信网络中的用户终端包括电路交换(CS)电话设备和分组交换(PS)数据处理设备。 CS电话设备从网络接收用于进入CS呼叫的CS警报信号,并从CS警报信号导出在预定时间间隔内期望相关联的PS信号。 该终端在预定的时间间隔期间推迟用户的呼叫接收警报的生成。 PS数据处理设备在预定时间间隔内接收相关联的PS信号,其中PS信号包括用户终端自动应答呼入CS呼叫的请求。 响应于该请求,PS数据处理设备将控制信号传递给CS电话设备,使得CS电话设备切换到自动应答模式,并且在没有来自用户的输入的情况下将CS应答信号发送到网络。
    • 60. 发明授权
    • Apparatus and method for generating MAC protocol data unit in wireless communication system
    • 在无线通信系统中生成MAC协议数据单元的装置和方法
    • US09037936B2
    • 2015-05-19
    • US12978964
    • 2010-12-27
    • Young-Bin ChangRakesh Taori
    • Young-Bin ChangRakesh Taori
    • G06F11/00H04L1/18
    • H04L1/1874H04L1/1887H04L1/1893
    • An apparatus and a method for transmitting an Automatic Repeat reQuest (ARQ) block in a wireless communication system are provided. The method for transmitting the ARQ block includes when transmitting the ARQ block to a receiving stage in a Not Sent state, transitioning to an Outstanding state to wait to receive one of an ACK and a NACK for the ARQ block, when receiving the NACK for the ARQ block from the receiving stage in the Outstanding state, transitioning to a Waiting for Retransmission state, when determining to retransmit the ARQ block for the NACK by splitting the ARQ block into at least two ARQ sub-blocks in the Waiting for Retransmission state, transitioning to a Rearrangement state, retransmitting the ARQ block for the NACK by splitting the ARQ block into at least two ARQ sub-blocks in the Rearrangement state, and when receiving an ACK for every ARQ sub-block having the same ARQ Sequence Number (SN) in the Rearrangement state, transitioning to a Done state and finishing transmission of the ARQ block having the ARQ SN.
    • 提供了一种用于在无线通信系统中发送自动重复请求(ARQ)块的装置和方法。 用于发送ARQ块的方法包括当在未发送状态下向接收侧发送ARQ块时,转移到未完成状态以等待接收ARQ块的ACK和NACK中的一个,当接收到针对ARQ块的NACK时 ARQ块从处于未完成状态的接收阶段转移到等待重传状态,当通过在等待重传状态中将ARQ块分解为至少两个ARQ子块来确定重传用于NACK的ARQ块时,转换 通过将ARQ块分解为重排状态中的至少两个ARQ子块,并且当对具有相同ARQ序列号(SN)的每个ARQ子块接收到ACK时,重新发送用于NACK的ARQ块, 在重排状态下,转换到完成状态并完成具有ARQ SN的ARQ块的传输。