ATE268077T1 - Verfahren zur entzerrung von komplementären trägern in einem am verträglichen digitalen rundfunksystem - Google Patents

Verfahren zur entzerrung von komplementären trägern in einem am verträglichen digitalen rundfunksystem

Info

Publication number
ATE268077T1
ATE268077T1 AT99945484T AT99945484T ATE268077T1 AT E268077 T1 ATE268077 T1 AT E268077T1 AT 99945484 T AT99945484 T AT 99945484T AT 99945484 T AT99945484 T AT 99945484T AT E268077 T1 ATE268077 T1 AT E268077T1
Authority
AT
Austria
Prior art keywords
signals
signal
digital broadcasting
amplitude modulated
compatible digital
Prior art date
Application number
AT99945484T
Other languages
English (en)
Inventor
Don R Goldston
David Carl Hartup
Marcus M Matherne
Original Assignee
Ibiquity Digital Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibiquity Digital Corp filed Critical Ibiquity Digital Corp
Application granted granted Critical
Publication of ATE268077T1 publication Critical patent/ATE268077T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
AT99945484T 1998-10-02 1999-09-02 Verfahren zur entzerrung von komplementären trägern in einem am verträglichen digitalen rundfunksystem ATE268077T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/207,894 US6292511B1 (en) 1998-10-02 1998-10-02 Method for equalization of complementary carriers in an AM compatible digital audio broadcast system
PCT/US1999/020277 WO2000021228A1 (en) 1998-10-02 1999-09-02 Method for equalization of complementary carriers in an am compatible digital audio broadcast system

Publications (1)

Publication Number Publication Date
ATE268077T1 true ATE268077T1 (de) 2004-06-15

Family

ID=22772412

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99945484T ATE268077T1 (de) 1998-10-02 1999-09-02 Verfahren zur entzerrung von komplementären trägern in einem am verträglichen digitalen rundfunksystem

Country Status (13)

Country Link
US (2) US6292511B1 (de)
EP (1) EP1119928B1 (de)
JP (1) JP2002527933A (de)
KR (1) KR20010075490A (de)
CN (2) CN1134127C (de)
AT (1) ATE268077T1 (de)
AU (1) AU763811B2 (de)
BR (1) BR9914261A (de)
CA (1) CA2345616A1 (de)
DE (1) DE69917665T2 (de)
MX (1) MXPA01003332A (de)
RU (1) RU2222871C2 (de)
WO (1) WO2000021228A1 (de)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292511B1 (en) * 1998-10-02 2001-09-18 Usa Digital Radio Partners, Lp Method for equalization of complementary carriers in an AM compatible digital audio broadcast system
KR100362571B1 (ko) * 1999-07-05 2002-11-27 삼성전자 주식회사 직교주파수분할다중 시스템에서 파일럿 심볼을 이용한 주파수 오류 보상장치 및 방법
JP2001313594A (ja) * 2000-04-28 2001-11-09 Fujitsu Ltd Ｄｍｔシステムのタイムドメインイコライザーの係数更新方法、レシーブ方法、ｄｍｔシステム及びｄｍｔモデム
FR2808635B1 (fr) * 2000-05-02 2002-08-02 Sagem Annulation de signaux perturbants dans un recepteur de modem xdsl
US6671340B1 (en) * 2000-06-15 2003-12-30 Ibiquity Digital Corporation Method and apparatus for reduction of interference in FM in-band on-channel digital audio broadcasting receivers
GB2364866B (en) * 2000-07-12 2004-05-19 Conexant Systems Inc Television receiver
EP1821480B1 (de) * 2000-08-24 2009-10-21 Sony Deutschland Gmbh Kommunikationseinrichtung zum Senden und Empfangen von OFDM Signalen in einem Funkkommunikationssystem
US7099385B2 (en) * 2001-07-18 2006-08-29 Massana Research Limited Compensation for interference in data receivers
US7158567B2 (en) * 2001-09-11 2007-01-02 Vitesse Semiconductor Corporation Method and apparatus for improved high-speed FEC adaptive equalization
EP1370017A1 (de) * 2002-06-07 2003-12-10 Sony International (Europe) GmbH Interferenzverminderung für Simulcastsignalen
US7116726B2 (en) 2002-08-12 2006-10-03 Cubic Corporation Method and apparatus for transferring multiple symbol streams at low bit-error rates in a narrowband channel
US6898249B2 (en) * 2002-12-17 2005-05-24 Ibiquity Digital Corporation Method and apparatus for AM digital audio broadcasting with amplitude scaled tertiary subcarriers
US6922440B2 (en) * 2002-12-17 2005-07-26 Scintera Networks, Inc. Adaptive signal latency control for communications systems signals
US7321550B2 (en) * 2004-02-17 2008-01-22 Industrial Technology Research Institute Method of equalization in an OFDM system
US7193802B2 (en) * 2004-03-25 2007-03-20 Hitachi Global Storage Technologies Netherlands, B.V. Apparatus for providing dynamic equalizer optimization
US8565449B2 (en) * 2006-02-07 2013-10-22 Bongiovi Acoustics Llc. System and method for digital signal processing
US9281794B1 (en) 2004-08-10 2016-03-08 Bongiovi Acoustics Llc. System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US9413321B2 (en) 2004-08-10 2016-08-09 Bongiovi Acoustics Llc System and method for digital signal processing
US8160274B2 (en) * 2006-02-07 2012-04-17 Bongiovi Acoustics Llc. System and method for digital signal processing
US8462963B2 (en) * 2004-08-10 2013-06-11 Bongiovi Acoustics, LLCC System and method for processing audio signal
US7254243B2 (en) * 2004-08-10 2007-08-07 Anthony Bongiovi Processing of an audio signal for presentation in a high noise environment
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
KR100626370B1 (ko) * 2004-12-29 2006-09-20 삼성전자주식회사 주파수 등화 성능이 향상된 다중 부반송파 통신 시스템 및그 방법
US7706474B2 (en) * 2005-11-14 2010-04-27 Ibiquity Digital Corporation Carrier tracking for AM in-band on-channel radio receivers
US7697620B2 (en) * 2005-11-14 2010-04-13 Ibiquity Digital Corporation Equalizer for AM in-band on-channel radio receivers
US20090296959A1 (en) * 2006-02-07 2009-12-03 Bongiovi Acoustics, Llc Mismatched speaker systems and methods
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US9195433B2 (en) 2006-02-07 2015-11-24 Bongiovi Acoustics Llc In-line signal processor
US8705765B2 (en) * 2006-02-07 2014-04-22 Bongiovi Acoustics Llc. Ringtone enhancement systems and methods
WO2007092420A2 (en) * 2006-02-07 2007-08-16 Anthony Bongiovi Collapsible speaker and headliner
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US9348904B2 (en) 2006-02-07 2016-05-24 Bongiovi Acoustics Llc. System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US20080152184A1 (en) * 2006-02-07 2008-06-26 Anthony Bongiovi Collapsible speaker system
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US8229136B2 (en) * 2006-02-07 2012-07-24 Anthony Bongiovi System and method for digital signal processing
WO2009059320A1 (en) * 2007-11-01 2009-05-07 National Public Radio A method for determining audio broadcast transmission signal coverage
DE102007056163A1 (de) * 2007-11-21 2009-06-04 Ali Corporation DVB-S Empfänger geeignet zur Anzeige der Intensität und Qualität eines empfangenen RF-Signals
US8693715B2 (en) 2009-11-17 2014-04-08 Phonak Ag Hearing assistance system and method
EP2502429B1 (de) 2009-11-17 2014-06-25 Phonak AG Hörhilfesystem und verfahren
US8948272B2 (en) 2012-12-03 2015-02-03 Digital PowerRadio, LLC Joint source-channel decoding with source sequence augmentation
US8595590B1 (en) 2012-12-03 2013-11-26 Digital PowerRadio, LLC Systems and methods for encoding and decoding of check-irregular non-systematic IRA codes
US9191256B2 (en) 2012-12-03 2015-11-17 Digital PowerRadio, LLC Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems
US9344828B2 (en) 2012-12-21 2016-05-17 Bongiovi Acoustics Llc. System and method for digital signal processing
EP2770635A1 (de) 2013-02-25 2014-08-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Entzerrungsfilterkoeffizientdeterminator, Vorrichtung, Entzerrungsfilterkoeffizientprozessor, System und Verfahren
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9398394B2 (en) 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US9397629B2 (en) 2013-10-22 2016-07-19 Bongiovi Acoustics Llc System and method for digital signal processing
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
AU2019252524A1 (en) 2018-04-11 2020-11-05 Bongiovi Acoustics Llc Audio enhanced hearing protection system
US10959035B2 (en) 2018-08-02 2021-03-23 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
CN119094934B (zh) * 2024-08-30 2025-07-25 深圳市金富强技术科技有限公司 一种麦克风均衡性自适应调整方法、装置和设备
CN119788055B (zh) * 2025-03-12 2025-05-16 山东云海国创云计算装备产业创新中心有限公司 自适应组合均衡电路及其自适应电路、方法、装置及设备
CN120338290B (zh) * 2025-06-18 2025-09-19 江苏省设备成套股份有限公司 一种基于边缘计算的碳计量系统及计算方法

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379947A (en) * 1979-02-02 1983-04-12 Teleprompter Corporation System for transmitting data simultaneously with audio
US4534054A (en) * 1980-11-28 1985-08-06 Maisel Douglas A Signaling system for FM transmission systems
US4425642A (en) * 1982-01-08 1984-01-10 Applied Spectrum Technologies, Inc. Simultaneous transmission of two information signals within a band-limited communications channel
US4881245A (en) * 1983-07-01 1989-11-14 Harris Corporation Improved signalling method and apparatus
US4660193A (en) * 1983-10-11 1987-04-21 Regency Electronics, Inc. Digital modulation method for standard broadcast FM subcarrier
AU589119B2 (en) * 1984-04-17 1989-10-05 Nec Corporation Digital radio communication system utilizing quadrature modulated carrier waves
US5128933A (en) * 1985-07-29 1992-07-07 Baranoff Rossine Dimitri Process and device for the radio transmission of coded data superimposed on a traditional frequency-modulated broadcast
US4881241A (en) * 1988-02-24 1989-11-14 Centre National D'etudes Des Telecommunications Method and installation for digital communication, particularly between and toward moving vehicles
KR0139527B1 (ko) * 1988-10-21 1998-07-01 아르레뜨 다낭제 변조파 전송 방법 및 이 방법을 구현하기 위한 송.수신기
US5134630A (en) * 1989-04-12 1992-07-28 National Research Development Corporation Method and apparatus for transparent tone-in-band transmitter, receiver and system processing
US5134634A (en) * 1989-08-31 1992-07-28 Nec Corporation Multilevel quadrature amplitude demodulator capable of compensating for a quadrature phase deviation of a carrier signal pair
FR2658016B1 (fr) * 1990-02-06 1994-01-21 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant.
US5179576A (en) * 1990-04-12 1993-01-12 Hopkins John W Digital audio broadcasting system
US5020076A (en) * 1990-05-21 1991-05-28 Motorola, Inc. Hybrid modulation apparatus
JP2749456B2 (ja) * 1991-03-06 1998-05-13 三菱電機株式会社 無線通信機
US5315583A (en) * 1991-04-11 1994-05-24 Usa Digital Radio Method and apparatus for digital audio broadcasting and reception
DE4111855C2 (de) * 1991-04-11 1994-10-20 Inst Rundfunktechnik Gmbh Verfahren zum rundfunkmäßigen Übertragen eines digital codierten Datenstroms
US5117195A (en) * 1991-05-17 1992-05-26 General Instrument Corporation Data referenced demodulation of multiphase modulated data
ES2113959T3 (es) * 1991-11-01 1998-05-16 Thomson Consumer Electronics Sistema y receptor de radiodifusion.
JP2904986B2 (ja) * 1992-01-31 1999-06-14 日本放送協会 直交周波数分割多重ディジタル信号送信装置および受信装置
US5465396A (en) * 1993-01-12 1995-11-07 Usa Digital Radio Partners, L.P. In-band on-channel digital broadcasting
US5588022A (en) 1994-03-07 1996-12-24 Xetron Corp. Method and apparatus for AM compatible digital broadcasting
US5673292A (en) 1994-10-07 1997-09-30 Northrop Grumman Corporation AM-PSK system for broadcasting a composite analog and digital signal using adaptive M-ary PSK modulation
US5606576A (en) 1995-01-23 1997-02-25 Northrop Grumman Corporation Adaptive mode control system for AM compatible digital broadcast
US5559830A (en) 1995-01-23 1996-09-24 Xetron Corp. Equalization system for AM compatible digital receiver
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
US5592471A (en) * 1995-04-21 1997-01-07 Cd Radio Inc. Mobile radio receivers using time diversity to avoid service outages in multichannel broadcast transmission systems
US5764706A (en) 1995-08-31 1998-06-09 Usa Digital Radio Partners, L.P. AM compatible digital waveform frame timing recovery and frame synchronous power measurement
US5633896A (en) 1996-02-21 1997-05-27 Usa Digital Radio Partners, L.P. AM compatible digital waveform demodulation using a dual FFT
US5809065A (en) 1996-02-20 1998-09-15 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
US5703954A (en) 1996-02-20 1997-12-30 Usa Digital Radio Partners, L.P. Method and apparatus for improving the quality of AM compatible digital broadcast system signals in the presence of distortion
US5949796A (en) 1996-06-19 1999-09-07 Kumar; Derek D. In-band on-channel digital broadcasting method and system
KR20000052956A (ko) 1996-10-31 2000-08-25 데니스 피셸 직교 주파수 분할 멀티플렉싱을 사용한 디지털 수신기의 단일칩 ｖｌｓｉ 실행
US6128334A (en) * 1997-02-21 2000-10-03 Usa Digital Radio, Inc. Receiver addressable AM compatible digital broadcast system
KR100224863B1 (ko) 1997-08-20 1999-10-15 윤종용 Ofdm 수신기를 위한 등화 방법과 등화기
JP3981898B2 (ja) * 1998-02-20 2007-09-26 ソニー株式会社 信号受信装置および方法、並びに記録媒体
US6452977B1 (en) * 1998-09-15 2002-09-17 Ibiquity Digital Corporation Method and apparatus for AM compatible digital broadcasting
US6292511B1 (en) * 1998-10-02 2001-09-18 Usa Digital Radio Partners, Lp Method for equalization of complementary carriers in an AM compatible digital audio broadcast system
US6295317B1 (en) * 1998-10-02 2001-09-25 Usa Digital Radio Partners, Lp Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal

Also Published As

Publication number Publication date
BR9914261A (pt) 2001-07-03
AU5807599A (en) 2000-04-26
AU763811B2 (en) 2003-07-31
MXPA01003332A (es) 2004-02-17
US6570943B2 (en) 2003-05-27
DE69917665D1 (de) 2004-07-01
JP2002527933A (ja) 2002-08-27
US6292511B1 (en) 2001-09-18
CN1134127C (zh) 2004-01-07
CN1331871A (zh) 2002-01-16
US20020012392A1 (en) 2002-01-31
KR20010075490A (ko) 2001-08-09
EP1119928B1 (de) 2004-05-26
CA2345616A1 (en) 2000-04-13
RU2222871C2 (ru) 2004-01-27
CN1529432A (zh) 2004-09-15
EP1119928A1 (de) 2001-08-01
WO2000021228A1 (en) 2000-04-13
DE69917665T2 (de) 2005-06-16

Similar Documents

Publication Publication Date Title
ATE268077T1 (de) Verfahren zur entzerrung von komplementären trägern in einem am verträglichen digitalen rundfunksystem
RU2234199C2 (ru) Способ и устройство для уменьшения отношения максимальной мощности к средней в системах цифрового вещания
ATE267491T1 (de) Verfahren und vorrichtung zur demodulation und entzerrung eines am kompatiblen digitalen tonrundfunksignals
RU2001111836A (ru) Способ коррекции комплементарных несущих в системе вещания цифрового аудиосигнала, совместимого с амплитудно-модулированным сигналом
US9130810B2 (en) OFDM communications methods and apparatus
US5682376A (en) Method of transmitting orthogonal frequency division multiplex signal, and transmitter and receiver employed therefor
KR970072724A (ko) 디지탈 오디오 방송용 송신 시스템
CA2212831C (en) Amplitude and phase error normalization of subcarrier generator
ATE201540T1 (de) Verfahren und vorrichtung für am verträglichen digitalrundfunk
EP0752177B1 (de) Entzerrungsverfahren für am verträglichen digital rundfunkempfänger
RU2001111844A (ru) Способ и устройство для демодуляции и коррекции сигнала вещания цифрового аудиосигнала, совместимого с амплитудно-модулированным сигналом
DE19962340A1 (de) Sender zum Versenden von Signalen über Funkkanäle und Verfahren zum Senden von Signalen über Funkkanäle
EP1520349B1 (de) Verfahren und Vorrichtung zum Wavelet-Rauschunterdrücken
EP1276257B1 (de) DRM/AM Simulcast
EP1370017A1 (de) Interferenzverminderung für Simulcastsignalen
KR100941823B1 (ko) Ｄｒｍ/ａｍ 동시 송출
JPH11205274A (ja) 受信装置
RU2005125422A (ru) Одновременная передача мцв/ам сигнала
RU97105426A (ru) Система передачи для цифрового аудиовещания
JPH08251245A (ja) ディジタル復調方法およびディジタル復調装置
DE102005019460A1 (de) Verfahren zur Kompensation von Abtastzeitpunktversätzen bei der DMT-Signalübertragung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties