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    Method and apparatus for improved detection of rate error in variable rate receiver
    1.
    发明专利
    Method and apparatus for improved detection of rate error in variable rate receiver 有权
    用于改善可变速率接收机中速率误差检测的方法和装置

    公开(公告)号：JP2009207141A

    公开(公告)日：2009-09-10

    申请号：JP2009038917

    申请日：2009-02-23

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： EL-MALEH KHALED H ,  CHOY EDDIE-LUN TIK ,  ANANTHAPADMANABHAN ARASANIPALA ,  DEJACO ANDREW P ,  HUANG PENGJUN

    IPC: H04B1/707 ,  H04B7/26 ,  H04L1/00 ,  H04L1/08 ,  H04L29/08

    CPC classification number: H04L1/08 ,  H04L1/0046 ,  H04L1/201

    Abstract: PROBLEM TO BE SOLVED: To prevent rate determination algorithm errors from causing audible artifacts such as screeches or beeps, in a system and method for detection of rate determination algorithm errors in variable rate communications system receivers.
    SOLUTION: The disclosed system and method detects frames with incorrectly determined data rates and performs frame erasure processing and/or memory state clean up to prevent propagation of distortion across multiple frames. Frames with incorrectly determined data rates are detected by checking illegal rate transitions, reserved bits, validating unused filter type bit combinations and analyzing relationships between fixed code-book gains and linear prediction coefficient gains.
    COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 要解决的问题：在用于检测可变速率通信系统接收机中的速率确定算法错误的系统和方法中，防止速率确定算法错误引起诸如吱吱声或嘟嘟声的声音伪像。 解决方案：所公开的系统和方法检测具有错误确定的数据速率的帧，并执行帧擦除处理和/或存储器状态清理，以防止跨多个帧的失真传播。 通过检查非法速率转换，保留位，验证未使用的过滤器类型位组合以及分析固定代码簿增益和线性预测系数增益之间的关系来检测具有不正确确定的数据速率的帧。 版权所有（C）2009，JPO＆INPIT

    Method and device for robust voice classification
    2.
    发明专利
    Method and device for robust voice classification 有权
    用于强大的语音分类的方法和设备

    公开(公告)号：JP2010176145A

    公开(公告)日：2010-08-12

    申请号：JP2010072646

    申请日：2010-03-26

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： HUANG PENGJUN

    IPC: G10L11/00 ,  G10L15/02 ,  G10L11/02 ,  G10L11/04 ,  G10L11/06 ,  G10L15/20 ,  G10L19/00 ,  G10L19/12 ,  G10L21/02

    CPC classification number: G10L25/93 ,  G10L19/025 ,  G10L19/22 ,  G10L25/78

    Abstract: PROBLEM TO BE SOLVED: To provide a method of robust voice classification for making the greatest performance of an encoding technique of a variable bit rate of multi-mode possible by changing the voice-mode. SOLUTION: The voice classifier correctly classifies voice segments according to high percentage, codes by the minimum bit rate, and satisfies the necessary conditions of a lower bit rate. By the high precision voice classification, mean coded bit rate becomes further lower, and decoded voice quality becomes further higher. The voice classifier examines a maximum number of parameters for each voice frame, creates a large number of correct voice mode classification for each frame. The voice classifier classifies much voice mode correctly nuder changing environment condition. The voice classifier inputs classifying parameter from an external constitution element, creates internal classifying parameters from input parameter, establishes the threshold value of function of normalized auto-correlation coefficient, selects a parameter analyzer according to signal environment, analyzes the parameter and classifies the voice mode. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种鲁棒的语音分类方法，通过改变语音模式，可以最大限度地实现多模式可变比特率的编码技术。 解决方案：语音分类器根据高百分比，代码按最小比特率对语音段进行正确分类，并满足较低比特率的必要条件。 通过高精度语音分类，平均编码比特率进一步降低，解码语音质量进一步提高。 语音分类器检查每个语音帧的最大参数数量，为每个帧创建大量正确的语音模式分类。 语音分类器将多个语音模式分类为正确的移动环境条件。 语音分类器从外部构成要素输入分类参数，根据输入参数创建内部分类参数，建立归一化自相关系数函数的阈值，根据信号环境选择参数分析器，分析参数并对语音模式进行分类 。 版权所有（C）2010，JPO＆INPIT

    Scalable speech and audio encoding using combinatorial encoding of mdct spectrum
    3.
    发明专利
    Scalable speech and audio encoding using combinatorial encoding of mdct spectrum 审中-公开
    使用MDCT频谱的组合编码的可扩展语音和音频编码

    公开(公告)号：JP2013178539A

    公开(公告)日：2013-09-09

    申请号：JP2013083340

    申请日：2013-04-11

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： YURIY REZNIK ,  HUANG PENGJUN

    IPC: G10L19/16 ,  G10L25/18 ,  H03M7/30

    CPC classification number: G10L19/24 ,  G10L19/038

    Abstract: PROBLEM TO BE SOLVED: To provide an efficient technique for encoding/decoding of MDCT (or similar transform-based) spectrum in scalable speech and audio compression algorithms.SOLUTION: A residual signal which is a difference between an original audio signal and a reconstructed version of the original audio signal is obtained from a Code Excited Linear Prediction (CELP)-based encoding layer and is transformed at a discrete cosine transform (DCT)-type transform layer to obtain a corresponding transform spectrum having a plurality of spectral lines. The transform spectrum spectral lines are transformed using a combinatorial position coding technique. The combinatorial position coding technique generates a lexicographical index for a selected subset of spectral lines, where each lexicographic index represents one of a plurality of possible binary strings representing the positions of the selected subset of spectral lines.

    Abstract translation: 要解决的问题：提供用于在可缩放语音和音频压缩算法中对MDCT（或类似的基于变换的）频谱进行编码/解码的有效技术。解决方案：作为原始音频信号和重构版本之间的差异的残差信号 从基于码激励线性预测（CELP）的编码层获得原始音频信号，并在离散余弦变换（DCT）型变换层处变换，以获得具有多个谱线的对应变换频谱。 使用组合位置编码技术对变换频谱谱线进行变换。 组合位置编码技术为选定的谱线子集生成词典索引，其中每个词典索引表示表示所选择的谱线子集的位置的多个可能的二进制串中的一个。

    METHOD AND APPARATUS FOR IMPROVED DETECTION OF RATE ERRORS IN VARIABLE RATE RECEIVERS
    4.
    发明申请
    METHOD AND APPARATUS FOR IMPROVED DETECTION OF RATE ERRORS IN VARIABLE RATE RECEIVERS 审中-公开
    改进检测可变速率接收机中速率误差的方法和装置

    公开(公告)号：WO0247316A2

    公开(公告)日：2002-06-13

    申请号：PCT/US0144574

    申请日：2001-11-29

    Applicant: QUALCOMM INC

    Inventor： EL-MALEH KHALED H ,  CHOY EDDIE-LUN TIK ,  ANANTHAPADMANABHAN ARASANIPALA ,  DEJACO ANDREW P ,  HUANG PENGJUN

    IPC: H04B7/26 ,  H04L1/00 ,  H04L1/08 ,  H04L29/08

    CPC classification number: H04L1/08 ,  H04L1/0046 ,  H04L1/201

    Abstract: A system and method for detection of rate determination algorithm errors in variable rate communications system receivers. The disclosed embodiments prevent rate determination algorithm errors from causing audible artifacts such as screeches or beeps. The disclosed system and method detects frames with incorrectly determined data rates and performs frame erasure processing and/or memory state clean up to prevent propagation of distortion across multiple frames. Frames with incorrectly determined data rates are detected by checking illegal rate transitions, reserved bits, validating unused filter type bit combinations and analyzing relationships between fixed code-book gains and linear prediction coefficient gains.

    Abstract translation: 一种用于在可变速率通信系统接收机中检测速率确定算法错误的系统和方法。 所公开的实施例防止速率确定算法错误引起可听见的伪影，例如吱吱声或哔哔声。 所公开的系统和方法检测具有错误确定的数据速率的帧，并执行帧擦除处理和/或存储器状态清理，以防止跨多个帧的失真传播。 通过检查非法速率转换，保留位，验证未使用的滤波器类型位组合以及分析固定码本增益和线性预测系数增益之间的关系来检测具有不正确确定的数据速率的帧。

    СИСТЕМА И СПОСОБ ВНУТРИПОЛОСОВОГО МОДЕМА ДЛЯ ПЕРЕДАЧИ ДАННЫХ ПО ЦИФРОВЫМ БЕСПРОВОДНЫМ СЕТЯМ
    10.
    发明专利
    СИСТЕМА И СПОСОБ ВНУТРИПОЛОСОВОГО МОДЕМА ДЛЯ ПЕРЕДАЧИ ДАННЫХ ПО ЦИФРОВЫМ БЕСПРОВОДНЫМ СЕТЯМ 未知

    公开(公告)号：UA99532C2

    公开(公告)日：2012-08-27

    申请号：UAA201015915

    申请日：2009-06-05

    Applicant: QUALCOMM INC

    Inventor： JOETTEN CHRISTOPH A ,  SGRAJA CHRISTIAN ,  FRANK GEORG ,  HUANG PENGJUN ,  PIETSCH CHRISTIAN ,  WERNER MARC W ,  DUNI ETHAN R ,  BAIK EUGENE J

    IPC: H04J3/06 ,  G10L19/00 ,  H04L7/00 ,  H04L25/00

    Abstract: Обеспечиваетсясистемадляпередачиинформациис помощьюречевогокодека (внутриполосыпропускания), например, которыйпроявляетсяв беспроводнойсетисвязи. Модуляторпреобразуетданныев спектральношумоподобныйсигналнаосновепреобразованияформируемогоимпульсав заранеезаданныепозициив пределахкадрамодуляции, иданныйсигналэффективнокодируетсяс помощьюречевогокодека. Последовательностьсинхронизацииобеспечиваетвременноераспределениекадрамодуляциив приемникеи выявляетсянаосновеанализасхемыпиковкорреляции. Протоколзапроса / ответаобеспечиваетнадежнуюпередачуданныхс использованиемизбыточностисообщения, повторнойпередачии / илиустойчивыхрежимовмодуляциив зависимостиотусловийканаласвязи.

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