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111.发明授权公开(公告)号：US09252899B2
公开(公告)日：2016-02-02
申请号：US13533556
申请日：2012-06-26
Applicant: Ashwini Pahuja , Jason Tsuchi Jen
Inventor： Ashwini Pahuja , Jason Tsuchi Jen
CPC classification number: H04H40/36 , H04H2201/18
Abstract: A method and apparatus are provided for smoothly blending analog and digital portions of a composite digital audio broadcast signal by using look ahead metrics computed from previously received audio frames to dynamically adjust either stereo separation or bandwidth or both of the digital audio portion of the digital audio broadcast signal to produce an adjusted digital audio portion that is blended with the analog audio portion.
Abstract translation: 提供了一种方法和装置，用于通过使用从先前接收到的音频帧计算出的前瞻度量来动态地调整数字音频的数字音频部分的立体声分离或带宽或两者，来平滑地混合复合数字音频广播信号的模拟和数字部分 广播信号以产生与模拟音频部分混合的经调整的数字音频部分。
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112.发明申请METHOD AND APPARATUS FOR TRANSMISSION AND RECEPTION OF IN-BAND ON-CHANNEL RADIO SIGNALS INCLUDING COMPLEMENTARY LOW DENSITY PARITY CHECK CODING 有权用于传输和接收带内通道无线电信号的方法和装置，包括补充低密度奇偶校验码的编码公开(公告)号：US20150341049A1
公开(公告)日：2015-11-26
申请号：US14817423
申请日：2015-08-04
Applicant: iBiquity Digital Corporation
Inventor： Brian W. Kroeger , Paul J. Peyla
CPC classification number: H03M13/1105 , G06F11/10 , H03M13/1102 , H03M13/1154 , H03M13/1515 , H03M13/255 , H03M13/2906 , H03M13/31 , H03M13/63 , H03M13/6362 , H04H20/30 , H04H2201/18 , H04L1/0013 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0063 , H04L1/0068 , H04L1/0071 , H04L1/04 , H04L1/08 , H04L5/0044 , H04L27/2697 , H04L2001/0093
Abstract: A method includes: constructing complementary low density parity check codewords by generating a first codeword having a first code rate; and partitioning the first codeword by assigning groups of bits of the first codeword to four quarter-partitions, wherein each of the quarter partitions includes bits in one half of one of four independently decodable semi-codewords each having a second code rate that is larger than the first code rate. Receivers that receive signals produced by the method are also disclosed.
Abstract translation: 一种方法包括：通过产生具有第一码率的第一码字来构造互补的低密度奇偶校验码字; 以及通过将所述第一码字的比特组分配给四分之一四分区来分割所述第一码字，其中所述四分之一分区中的每一个包括四个独立可解码的半码字中的一个的一半，每个具有大于 第一个代码率。 还公开了接收由该方法产生的信号的接收机。
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113.发明授权Method and apparatus for transmission and reception of in-band on-channel radio signals including complementary low density parity check coding 有权用于发送和接收带内通道无线电信号的方法和装置，包括互补低密度奇偶校验编码公开(公告)号：US09136874B2
公开(公告)日：2015-09-15
申请号：US13835011
申请日：2013-03-15
Applicant: iBiquity Digital Corporation
Inventor： Brian W. Kroeger , Paul J. Peyla
IPC: H03M13/11 , H04L1/00 , H03M13/29 , H04H20/30 , H04L1/04 , H04L5/00 , H03M13/31 , H03M13/00 , H03M13/25 , H04L1/08 , H03M13/15
CPC classification number: H03M13/1105 , G06F11/10 , H03M13/1102 , H03M13/1154 , H03M13/1515 , H03M13/255 , H03M13/2906 , H03M13/31 , H03M13/63 , H03M13/6362 , H04H20/30 , H04H2201/18 , H04L1/0013 , H04L1/0041 , H04L1/0045 , H04L1/0057 , H04L1/0063 , H04L1/0068 , H04L1/0071 , H04L1/04 , H04L1/08 , H04L5/0044 , H04L27/2697 , H04L2001/0093
Abstract: A method of transmitting digital information includes: receiving a plurality of information bits representing audio information and/or data; encoding the information bits using complementary low density parity check coding to produce a composite codeword and a plurality of independently decodable semi-codewords; modulating at least one carrier signal with the forward error corrected bits; and transmitting the carrier signal(s). Transmitters that implement the method, and receivers that receive signals produced by the method, are also provided.
Abstract translation: 一种发送数字信息的方法包括：接收表示音频信息和/或数据的多个信息比特; 使用互补低密度奇偶校验编码来对信息比特进行编码以产生复合码字和多个可独立解码的半码字; 用前向纠错比特调制至少一个载波信号; 并发送载波信号。 还提供了实现该方法的发射机和接收由该方法产生的信号的接收机。
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公开(公告)号：US09094139B2
公开(公告)日：2015-07-28
申请号：US13533548
申请日：2012-06-26
Applicant: Ashwini Pahuja
Inventor： Ashwini Pahuja
CPC classification number: H04H40/36 , H04H2201/18
Abstract: A method and apparatus are provided for blending analog and digital portions of a composite digital audio broadcast signal by using look ahead metrics computed from previously received audio frames to guide the blending process and prevent unnecessary blending back and forth between analog and digital if the look ahead metrics indicate that future digital signal quality is degraded or impaired.
Abstract translation: 提供了一种方法和装置，用于通过使用从先前接收到的音频帧计算出的前瞻度量来混合复合数字音频广播信号的模拟和数字部分，以指导混合处理并且防止在模拟和数字之间前后的不必要的混合 指标表明未来的数字信号质量下降或受损。
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公开(公告)号：US09037103B2
公开(公告)日：2015-05-19
申请号：US14296578
申请日：2014-06-05
Applicant: iBiquity Digital Corporation
Inventor： Brian W. Kroeger , Paul J. Peyla , Jeffrey S. Baird
CPC classification number: H04B7/0857 , H04B7/0845 , H04B7/0885 , H04H2201/18
Abstract: A method for processing a radio signal includes: receiving a signal on two antennas; demodulating the signal using first and second independent signal paths that are synchronized by symbol number; maximum ratio combining branch metrics from the two receiver paths; and using the combined branch metrics to produce an output, wherein the receiver paths include an arbitration scheme. A receiver that implements the method is also provided.
Abstract translation: 一种处理无线电信号的方法包括：在两个天线上接收信号; 使用由符号号同步的第一和第二独立信号路径来解调信号; 组合来自两个接收器路径的分支度量的最大比率; 以及使用所述组合分支度量来产生输出，其中所述接收器路径包括仲裁方案。 还提供了一种实现该方法的接收器。
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Patent Agency Ranking
116.发明申请ITERATIVE FORWARD ERROR CORRECTION DECODING FOR FM IN-BAND ON-CHANNEL RADIO BROADCASTING SYSTEMS 审中-公开FM带内通道无线广播系统的迭代前向纠错解码公开(公告)号：US20140331111A1
公开(公告)日：2014-11-06
申请号：US14266907
申请日：2014-05-01
Applicant: iBiquity Digital Corporation
Inventor： Brian W. Kroeger , Paul J. Peyla
IPC: G06F11/10
CPC classification number: G06F11/1004 , H03M13/09 , H03M13/4115 , H03M13/413 , H04H60/11 , H04H2201/18 , H04L1/0041 , H04L1/005 , H04L1/0061 , H04L1/007 , H04L1/0072
Abstract: A method for processing a digital signal includes: receiving a plurality of protocol data units, each having a header including a plurality of control word bits; and a plurality of audio frames, each including a cyclic redundancy check code; decoding the protocol data units using an iterative decoding technique, wherein the iterative decoding technique uses a soft output decoding algorithm for iterations after the first iteration; and using decoded cyclic redundancy check codes to flag the audio frames containing errors. A receiver that implements the method is also provided.
Abstract translation: 一种用于处理数字信号的方法包括：接收多个协议数据单元，每个协议数据单元具有包括多个控制字位的报头; 以及多个音频帧，每个音频帧包括循环冗余校验码; 使用迭代解码技术解码协议数据单元，其中迭代解码技术在第一次迭代之后使用软输出解码算法进行迭代; 并使用解码的循环冗余校验码来标记包含错误的音频帧。 还提供了一种实现该方法的接收器。
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公开(公告)号：US20140254729A1
公开(公告)日：2014-09-11
申请号：US14283648
申请日：2014-05-21
Applicant: Silicon Laboratories Inc.
Inventor： Javier Elenes , Brian D. Green , Michael R. May
CPC classification number: H04B1/086 , H04H20/30 , H04H60/12 , H04H2201/18 , H04L25/03834 , H04L27/0008 , H04W52/0229 , Y02D70/00
Abstract: In one embodiment, a receiver front end circuit can receive and process multiple radio frequency (RF) signals and output downconverted signals corresponding to these signals. In turn, multiple signal processors can be coupled to this front end. Specifically, a first signal processor can receive and process the downconverted signals to output a first signal obtained from content of a first RF signal, and a second signal processor can receive and process the downconverted signals to output a second signal obtained from content of a second RF signal. In addition, the apparatus may include a detection circuit coupled to the receiver front end circuit to detect presence of at least the second signal and enable the second signal processor responsive to the detected presence.
Abstract translation: 在一个实施例中，接收器前端电路可以接收和处理多个射频（RF）信号并输出与这些信号对应的下变频信号。 反过来，多个信号处理器可以耦合到该前端。 具体地，第一信号处理器可以接收并处理下变频信号以输出从第一RF信号的内容获得的第一信号，并且第二信号处理器可以接收并处理下变频信号以输出从第二RF信号的内容获得的第二信号 射频信号。 此外，该装置可以包括耦合到接收器前端电路的检测电路，以检测至少第二信号的存在，并使第二信号处理器能够响应于检测到的存在。
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118.发明申请SYSTEMS AND METHODS FOR OPTIMIZED DECODING OF IN-BAND ON-CHANNEL (IBOC) SERVICES 有权嵌入式通道（IBOC）服务的优化解码的系统和方法公开(公告)号：US20140094111A1
公开(公告)日：2014-04-03
申请号：US13629970
申请日：2012-09-28
Applicant: BINURAJ K. RAVINDRAN , DONGSHENG BI
Inventor： BINURAJ K. RAVINDRAN , DONGSHENG BI
IPC: H04H20/53
CPC classification number: H04H20/53 , H04H60/37 , H04H60/46 , H04H60/65 , H04H2201/18
Abstract: Certain embodiments herein are directed to optimized decoding of in-band on-channel (IBOC) services, such as audio, traffic, and data associated with HD Radio™. Service information, such as service boundaries for one or more segments associated with IBOC services, may be identified and formatted for transmission to a receiver device. The receiver device may use the service boundaries to select or filter segments associated only with a service of interest from a bit stream of segments associated with one or more other services, according to one embodiment.
Abstract translation: 本文中的某些实施例涉及带内在线（IBOC）服务（例如音频，业务和与HD Radio TM相关联的数据）的优化解码。 服务信息，例如与IBOC服务相关联的一个或多个段的服务边界，可以被识别和格式化以便传输到接收机设备。 根据一个实施例，接收机设备可以使用服务边界来从与一个或多个其他服务相关联的段的比特流中选择或过滤与感兴趣的服务相关联的段。
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119.发明授权Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest 有权数字无线电广播接收机，广播方法和标记感兴趣内容的方法公开(公告)号：US08676114B2
公开(公告)日：2014-03-18
申请号：US13725284
申请日：2012-12-21
Applicant: iBiquity Digital Corporation
Inventor： Robert Michael Dillon , Harvey Chalmers , Rodney Bernard Burke , Joseph F D'Angelo
IPC: H04H40/00
CPC classification number: H04H20/71 , H04H20/28 , H04H20/93 , H04H60/27 , H04H60/33 , H04H60/74 , H04H60/82 , H04H2201/18
Abstract: A method for specifying content of interest using a digital radio broadcast receiver is described. A digital radio broadcast signal includes first audio content and first program data, wherein the first program data includes information identifying a first item, and includes second audio content and second program data, wherein the second program data includes information identifying a second item. A user command entered at a user interface during reception of audio content is registered, indicating a user's interest in either the first or second audio content. It is determined whether there is an ambiguity in the content of interest. If there is an ambiguity, a first data structure is stored for the first audio content, and a second data structure is stored for the second audio content. The first data structure includes the information identifying the first item, and the second data structure includes the information identifying the second item.
Abstract translation: 描述使用数字无线电广播接收机来指定感兴趣内容的方法。 数字无线电广播信号包括第一音频内容和第一节目数据，其中第一节目数据包括识别第一项目的信息，并且包括第二音频内容和第二节目数据，其中第二节目数据包括识别第二项目的信息。 在接收音频内容期间在用户界面处输入的用户命令被登记，指示用户对第一或第二音频内容的兴趣。 确定感兴趣的内容是否存在歧义。 如果存在歧义，则存储第一音频内容的第一数据结构，并存储第二音频内容的第二数据结构。 第一数据结构包括识别第一项目的信息，第二数据结构包括识别第二项目的信息。
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120.发明申请公开(公告)号：US20130343547A1
公开(公告)日：2013-12-26
申请号：US13533556
申请日：2012-06-26
Applicant: Ashwini Pahuja , Jason Tsuchi Jen
Inventor： Ashwini Pahuja , Jason Tsuchi Jen
IPC: H04H20/47
CPC classification number: H04H40/36 , H04H2201/18
Abstract: A method and apparatus are provided for smoothly blending analog and digital portions of a composite digital audio broadcast signal by using look ahead metrics computed from previously received audio frames to dynamically adjust either stereo separation or bandwidth or both of the digital audio portion of the digital audio broadcast signal to produce an adjusted digital audio portion that is blended with the analog audio portion.
Abstract translation: 提供了一种方法和装置，用于通过使用从先前接收到的音频帧计算出的前瞻度量来动态地调整数字音频的数字音频部分的立体声分离或带宽或两者，来平滑地混合复合数字音频广播信号的模拟和数字部分 广播信号以产生与模拟音频部分混合的经调整的数字音频部分。
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