公开(公告)号：US09094186B2

公开(公告)日：2015-07-28

申请号：US13795229

申请日：2013-03-12

Applicant: David Corts ,  Bryce Wells ,  Paul Signorelli ,  Lee Hunter ,  Terrance Snyder

Inventor： David Corts ,  Bryce Wells ,  Paul Signorelli ,  Lee Hunter ,  Terrance Snyder

IPC: H04B17/02 ,  H04L5/16 ,  H04L7/04

CPC classification number: H04L7/04 ,  H04H20/18 ,  H04H20/30 ,  H04H20/72 ,  H04H60/23 ,  H04H60/74 ,  H04H2201/183 ,  H04H2201/20 ,  H04N7/165 ,  H04N7/1675 ,  H04N7/173 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/241 ,  H04N21/25816 ,  H04N21/26216 ,  H04N21/4405 ,  H04N21/4516 ,  H04N21/454 ,  H04N21/4542 ,  H04N21/6543 ,  H04N21/6583 ,  H04N21/8113 ,  H04N21/812 ,  H04N21/8126 ,  H04N21/8133 ,  H04N21/84 ,  H04N21/8543 ,  H04N21/858

Abstract: A method and system for the transmission of digital data (210) over existing analog radio frequencies (230) is presented, wherein the digital data may include audio data, visual data or audio-visual data for presentation either with analog broadcast data or at a selectable time. The digital data may be transmitted over a plurality of sub-channels that have varying degrees or reliability (250). A “quality-of-service” process manages the transmission of digital data over various sub-channels based on the reliability of the sub-channel, the amount of digital data and the type of digital data to be transmitted. The digital data may further be encrypted and authenticated.

Abstract translation: 提出了一种用于在现有模拟射频（230）上传输数字数据（210）的方法和系统，其中数字数据可以包括音频数据，视觉数据或视听数据，用于呈现模拟广播数据或者在 可选择时间。 数字数据可以在具有不同程度或可靠性的多个子信道上发送（250）。 “服务质量”过程基于子信道的可靠性，数字数据的数量和要发送的数字数据的类型来管理数字数据在各个子信道上的传输。 数字数据可以进一步被加密和认证。

公开(公告)号：US20150146711A1

公开(公告)日：2015-05-28

申请号：US13795229

申请日：2013-03-12

Applicant: David Corts ,  Bryce Wells ,  Paul Signorelli ,  Lee Hunter ,  Terrance Snyder

Inventor： David Corts ,  Bryce Wells ,  Paul Signorelli ,  Lee Hunter ,  Terrance Snyder

IPC: H04L7/04

CPC classification number: H04L7/04 ,  H04H20/18 ,  H04H20/30 ,  H04H20/72 ,  H04H60/23 ,  H04H60/74 ,  H04H2201/183 ,  H04H2201/20 ,  H04N7/165 ,  H04N7/1675 ,  H04N7/173 ,  H04N21/2385 ,  H04N21/2402 ,  H04N21/241 ,  H04N21/25816 ,  H04N21/26216 ,  H04N21/4405 ,  H04N21/4516 ,  H04N21/454 ,  H04N21/4542 ,  H04N21/6543 ,  H04N21/6583 ,  H04N21/8113 ,  H04N21/812 ,  H04N21/8126 ,  H04N21/8133 ,  H04N21/84 ,  H04N21/8543 ,  H04N21/858

Abstract: A method and system for the transmission of digital data (210) over existing analog radio frequencies (230) is presented, wherein the digital data may include audio data, visual data or audio-visual data for presentation either with analog broadcast data or at a selectable time. The digital data may be transmitted over a plurality of sub-channels that have varying degrees or reliability (250). A “quality-of-service” process manages the transmission of digital data over various sub-channels based on the reliability of the sub-channel, the amount of digital data and the type of digital data to be transmitted. The digital data may further be encrypted and authenticated.

公开(公告)号：US08983365B2

公开(公告)日：2015-03-17

申请号：US12003323

申请日：2007-12-21

Applicant: Armond R. Capparelli ,  Joseph F. D'Angelo ,  Joseph P. Haggerty ,  Steven A. Johnson ,  Bei Li ,  Lia Meller ,  Marek Milbar ,  Jordan Scott ,  Chinmay M. Shah ,  Kun Wang ,  Girish K. Warrier ,  Christopher R. Gould

Inventor： Armond R. Capparelli ,  Joseph F. D'Angelo ,  Joseph P. Haggerty ,  Steven A. Johnson ,  Bei Li ,  Lia Meller ,  Marek Milbar ,  Jordan Scott ,  Chinmay M. Shah ,  Kun Wang ,  Girish K. Warrier ,  Christopher R. Gould

IPC: H04H40/00 ,  H04H60/06 ,  H04H60/07 ,  H04H60/72 ,  H04H20/16

CPC classification number: H04H60/06 ,  H04H20/16 ,  H04H60/07 ,  H04H60/72 ,  H04H2201/183 ,  H04H2201/186

Abstract: Methods and systems for preparing data for broadcast via digital radio broadcast transmission is disclosed comprising the steps of receiving a plurality of content files corresponding to programming information for program content to be broadcast; receiving an index file having a pointer for each of the plurality of content files, wherein the index file is associated with a first logical address; storing the index file and the plurality of content files; scheduling a broadcast rotation of the index file and the plurality of content files (wherein the index file is scheduled for repeated transmission intermittently relative to selected ones of the content files); and transmitting the index file and the plurality of content files to an importer in accordance with the broadcast rotation.

公开(公告)号：US20100210229A1

公开(公告)日：2010-08-19

申请号：US12310583

申请日：2007-08-30

Applicant: Kazuyoshi Inako ,  Kazuo Koyama ,  Masanori Ishida ,  Naoki Nakajima

Inventor： Kazuyoshi Inako ,  Kazuo Koyama ,  Masanori Ishida ,  Naoki Nakajima

IPC: H04B1/18

CPC classification number: H04H40/18 ,  H04H20/30 ,  H04H2201/183

Abstract: An broadcasting receiver suitable for receiving a broadcasting signal transmitted in an IBOC signal format, includes: a narrowband filtering means suitable for processing an analog broadcasting signal included in the broadcasting signal; a wideband filtering means suitable for processing a digital broadcasting signal included in the broadcasting signal; a demodulating means for demodulating the broadcasting signal; a signal level detecting means for detecting a level of the broadcasting signal; a digital determining means for determining whether the broadcasting signal includes digital broadcasting signal or not; and a filter switching means for switching filtering means for use in processing the broadcasting signal to be input to the demodulating means between the narrowband filtering means and the wideband filtering means, according to the level of the detected broadcasting signal, when the digital determining means determines that the broadcasting signal does not include the digital broadcasting signal.

Abstract translation: 适用于接收以IBOC信号格式发送的广播信号的广播接收机包括：适用于处理广播信号中包含的模拟广播信号的窄带滤波装置; 适用于处理广播信号中包含的数字广播信号的宽带滤波装置; 解调装置，用于解调广播信号; 信号电平检测装置，用于检测广播信号的电平; 数字确定装置，用于确定广播信号是否包括数字广播信号; 以及滤波器切换装置，用于当数字确定装置确定时，根据检测到的广播信号的电平，将滤波装置切换用于处理要输入到窄带滤波装置和宽带滤波装置之间的解调装置的广播信号 广播信号不包括数字广播信号。

公开(公告)号：US07352817B2

公开(公告)日：2008-04-01

申请号：US10672441

申请日：2003-09-26

Applicant: Marek Milbar

Inventor： Marek Milbar

IPC: H04L25/00

CPC classification number: H03M13/2789 ,  H03M13/271 ,  H03M13/2732 ,  H03M13/276 ,  H04H2201/183 ,  H04H2201/186

Abstract: This invention provides a method for interleaving bits of a digital signal representative of data and/or audio in a digital audio broadcasting system, the method comprising the step of: writing a plurality of bits of the digital signal to a matrix; and reading the bits from the matrix, wherein at least one of the writing and reading steps follows a non-sequential addressing scheme. Apparatus for transmitting the interleaved bits, and apparatus for receiving and deinterleaving the bits are also provided.

Abstract translation: 本发明提供了一种用于在数字音频广播系统中交织表示数据和/或音频的数字信号的比特的方法，该方法包括以下步骤：将数字信号的多个比特写入矩阵; 以及从所述矩阵读取所述位，其中所述写入和读取步骤中的至少一个遵循非顺序寻址方案。 还提供了用于发送交错比特的装置，以及用于接收和解交织比特的装置。

公开(公告)号：US07085377B1

公开(公告)日：2006-08-01

申请号：US09364432

申请日：1999-07-30

Applicant: William M. Norr

Inventor： William M. Norr

IPC: H04K1/02

CPC classification number: H04H60/23 ,  H04H60/07 ,  H04H2201/183 ,  H04H2201/20 ,  H04K1/00 ,  H04L9/0827 ,  H04L2209/56 ,  H04L2209/80

Abstract: Audio or other information is delivered to a user via a multi-stream digital broadcasting system in a partially-encrypted form. The information is encoded and separated into multiple bitstreams, at least a subset of which are left unencrypted. Both the encrypted and unencrypted bitstreams are received and stored by the user. A user is able, for at least a limited period of time, to access the information at a first quality level, e.g., an FM-quality level for audio information, without having the corresponding decryption key, by utilizing only the unencrypted bitstreams. The user can then access an electronic-commerce web site to purchase the decryption key. The key may be downloaded from the site to an information processing device of the user, and may be utilized to decrypt the partially-encrypted format, such that the user is provided with access to the information at a second quality level higher than the first quality level, e.g., a CD-quality level for audio information. The multiple bitstreams may correspond, e.g., to subbands of at least first and second digital sidebands of a host carrier signal in an FM in-band on-channel (FM-IBOC) digital audio broadcasting system.

Abstract translation: 音频或其他信息通过多流数字广播系统以部分加密形式传送给用户。 信息被编码并分离成多个比特流，其至少一个子集保持未加密。 加密和未加密的比特流都由用户接收和存储。 用户能够在至少有限的时间段内通过仅利用未加密的比特流来以不具有对应的解密密钥的第一质量等级（例如，用于音频信息的FM质量等级）来访问信息。 然后，用户可以访问电子商务网站以购买解密密钥。 密钥可以从站点下载到用户的信息处理设备，并且可以用于解密部分加密的格式，使得用户被提供有访问信息的第二质量水平高于第一质量 级别，例如音频信息的CD级别。 多个比特流可以例如对应于FM带内在线（FM-IBOC）数字音频广播系统中的主载波信号的至少第一和第二数字边带的子带。

公开(公告)号：US20050009478A1

公开(公告)日：2005-01-13

申请号：US10912250

申请日：2004-08-04

Applicant: Chandra Mohan ,  Zhiming Zhang ,  Manuel Apraez

Inventor： Chandra Mohan ,  Zhiming Zhang ,  Manuel Apraez

IPC: H04B1/04 ,  H04B1/16 ,  H04H20/30 ,  H04B1/02 ,  H04B1/66

CPC classification number: H04H20/30 ,  H04H2201/183

Abstract: An FM broadcast transmitter transmits a broadcast signal having a carrier at a broadcast frequency and sidebands, able to be transmitted at full power, within a transmission band-width around the carrier. It includes a source of a modulated FM stereo signal having a carrier at the broadcast frequency and having sidebands with a bandwidth less than the transmission bandwidth representing a stereo signal. It also includes a source of a modulated IBOC signal, having carrier pulses spaced relative to each other to represent the IBOC digital data signal encoded as a variable pulse width encoded signal, and a bandwidth within the transmission bandwidth not overlapping the FM stereo signal sidebands. A signal combiner combines the modulated FM stereo signal and the modulated IBOC signal to form the broadcast signal. An FM broadcast receiver receives a broadcast signal including a first modulated signal representing an FM stereo signal, and a second modulated signal, having carrier pulses spaced relative to each other to represent an in-band-on-channel (IBOC) digital data signal encoded as a variable pulse width encoded signal. It includes a signal separator for generating a first separated signal representing the FM stereo signal and a second separated signal representing the IBOC digital data signal. An FM signal processor generates a stereo audio signal represented by the FM stereo signal. An IBOC signal processor generates a digital data signal represented by the IBOC digital data signal.

Abstract translation: FM广播发射机以广播频率的载波和能够以全功率发送的载波周围的传输带宽内的广播信号发送广播信号。 它包括具有广播频率的载波的调制FM立体声信号的源，并且具有小于表示立体声信号的传输带宽的带宽的边带。 它还包括经调制的IBOC信号的源，其具有相对于彼此间隔开的载波脉冲，以表示被编码为可变脉冲宽度编码信号的IBOC数字数据信号，以及不与FM立体声信号边带重叠的传输带宽内的带宽。 信号组合器将调制的FM立体声信号和调制的IBOC信号组合以形成广播信号。 FM广播接收机接收包括表示FM立体声信号的第一调制信号和第二调制信号的广播信号，所述第二调制信号具有相对于彼此间隔开的载波脉冲，以表示被编码的带内频带（IBOC）数字数据信号 作为可变脉宽编码信号。 它包括用于产生表示FM立体声信号的第一分离信号的信号分离器和表示IBOC数字数据信号的第二分离信号。 FM信号处理器产生由FM立体声信号表示的立体声音频信号。 IBOC信号处理器生成由IBOC数字数据信号表示的数字数据信号。

公开(公告)号：US20040076188A1

公开(公告)日：2004-04-22

申请号：US10465443

申请日：2003-06-19

Inventor： Marek Milbar ,  James C. Stekas

IPC: H04J003/06

CPC classification number: H04L25/03866 ,  H04H20/30 ,  H04H20/95 ,  H04H2201/183 ,  H04H2201/20 ,  H04L27/2601

Abstract: A method for digital audio broadcasting comprising the steps of receiving a plurality of data bits to be transmitted, formatting the plurality of data bits into a plurality of protocol data units, inserting header bits at spaced locations within the protocol data units, and using the protocol data units to modulate a plurality of carriers to produce an output signal. The individual header bits can be positioned at evenly spaced locations in the protocol data units. A first one of the header bits can be offset from an end of the protocol data unit. A method of receiving the digital audio broadcasting signal the transmitters and receivers that operate in accordance with the methods are also provided.

Abstract translation: 一种用于数字音频广播的方法，包括以下步骤：接收要发送的多个数据位，将所述多个数据位格式化成多个协议数据单元，在所述协议数据单元内的间隔位置插入报头位，以及使用所述协议 数据单元来调制多个载波以产生输出信号。 各个标题位可以位于协议数据单元中均匀间隔的位置。 标题位中的第一个可以从协议数据单元的末尾偏移。 还提供了一种接收数字音频广播信号的方法，所述信号是根据所述方法操作的发射机和接收机。

公开(公告)号：US20030207669A1

公开(公告)日：2003-11-06

申请号：US10136136

申请日：2002-05-01

Inventor： Brian William Kroeger

IPC: H04H007/00

CPC classification number: H04H60/11 ,  H04H20/30 ,  H04H2201/183 ,  H04H2201/20

Abstract: A method of receiving an FM digital audio broadcasting signal including a first plurality of subcarriers in an upper sideband of a radio channel and a second plurality of subcarriers in a lower sideband of the radio channel comprises the steps of mixing the digital audio broadcasting signal with a local oscillator signal to produce an intermediate frequency signal, passing the intermediate frequency signal through a bandpass filter to produce a filtered signal, determining if one of the upper and lower sidebands of the digital audio broadcasting signal is corrupted, and adjusting the local frequency oscillator signal to change the frequency of the intermediate frequency signal such that the bandpass filter removes the subcarriers in the upper or lower sideband that has been corrupted. A receiver that processes a digital audio broadcasting signal in accordance with the method is also provided.

Abstract translation: 一种接收FM数字音频广播信号的方法，该FM数字音频广播信号包括无线电信道的上边带中的第一多个子载波和无线电信道的下边带中的第二多个副载波，包括以下步骤：将数字音频广播信号与 本地振荡器信号以产生中频信号，使中频信号通过带通滤波器以产生滤波信号，确定数字音频广播信号的上边带和下边带之一是否损坏，以及调整本地频率振荡器信号 以改变中频信号的频率，使得带通滤波器去除已损坏的上边带或下边带中的子载波。 还提供了根据该方法处理数字音频广播信号的接收机。

公开(公告)号：US06563880B1

公开(公告)日：2003-05-13

申请号：US09298093

申请日：1999-04-22

Applicant: Bill J. Hunsinger ,  Derek D. Kumar

Inventor： Bill J. Hunsinger ,  Derek D. Kumar

IPC: H04H500

CPC classification number: H04L27/2601 ,  H04B1/406 ,  H04B1/707 ,  H04H20/30 ,  H04H20/33 ,  H04H2201/17 ,  H04H2201/183 ,  H04J9/00 ,  H04J13/004 ,  H04J13/12 ,  H04J2013/0037 ,  H04L5/023

Abstract: A system and method for transmitting digital information through a medium such as atmospheric free-space includes a transmitter which generates a signal based on a basis set of mutually orthogonal, spectrally-shaped, sequences of substantially equal length and having predetermined autocorrelation values. The sequences may resemble noise in at least some of their characteristics. The orthogonality or cross-correlation characteristics, the autocorrelation characteristics and the resemblance to noise are due to features derived from sequences of pseudo-random numbers which themselves resemble noise in at least some of their characteristics. The waveform set based on the sequences is modulated digitally. The modulated set may be summed together along with a wideband reference signal of reduced amplitude and optionally an FM analog signal to form a composite signal which is broadcast typically through free space to at least one receiver. The receiver separates the analog FM signal from the digital signal and thereafter demodulates the digital data-carrying waveforms and outputs a stream of digital data. It has been determined to be resistant to multipath degradation.

Abstract translation: 用于通过诸如大气自由空间的介质发送数字信息的系统和方法包括：发射机，其基于基本相等长度的相互正交，频谱形状的序列的基本集合生成信号，并具有预定的自相关值。 这些序列可能至少在其某些特征中类似于噪声。 正交性或互相关特性，自相关特性和与噪声的相似性是由于其自身类似于其至少某些特征中的噪声的伪随机数序列导出的特征。 基于序列的波形集合被数字地调制。 调制集可以与减小幅度的宽带参考信号和可选的FM模拟信号一起被合并在一起，以形成通常通过自由空间广播到至少一个接收机的复合信号。 接收器将模拟FM信号与数字信号分开，然后解调数字数据携带波形并输出数字数据流。 已经确定耐多种降解。