BR112014032508A2 - método para processar um sinal de difusão de áudio digital, e, receptor de rádio - Google Patents

método para processar um sinal de difusão de áudio digital, e, receptor de rádio

Info

Publication number
BR112014032508A2
BR112014032508A2 BR112014032508A BR112014032508A BR112014032508A2 BR 112014032508 A2 BR112014032508 A2 BR 112014032508A2 BR 112014032508 A BR112014032508 A BR 112014032508A BR 112014032508 A BR112014032508 A BR 112014032508A BR 112014032508 A2 BR112014032508 A2 BR 112014032508A2
Authority
BR
Brazil
Prior art keywords
processing
broadcast signal
digital audio
radio receiver
audio broadcast
Prior art date
Application number
BR112014032508A
Other languages
English (en)
Other versions
BR112014032508B1 (pt
Inventor
Pahuja Ashwini
Jen Jason
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
Publication of BR112014032508A2 publication Critical patent/BR112014032508A2/pt
Publication of BR112014032508B1 publication Critical patent/BR112014032508B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/18—Aspects of broadcast communication characterised by the type of broadcast system in band on channel [IBOC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
BR112014032508-1A 2012-06-26 2013-06-26 Método para processar um sinal de difusão de áudio digital, e, receptor de rádio BR112014032508B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/533,556 2012-06-26
US13/533,556 US9252899B2 (en) 2012-06-26 2012-06-26 Adaptive bandwidth management of IBOC audio signals during blending
PCT/US2013/047859 WO2014004653A2 (en) 2012-06-26 2013-06-26 Adaptive bandwidth management of iboc audio signals during blending

Publications (2)

Publication Number Publication Date
BR112014032508A2 true BR112014032508A2 (pt) 2017-06-27
BR112014032508B1 BR112014032508B1 (pt) 2022-09-06

Family

ID=49774477

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014032508-1A BR112014032508B1 (pt) 2012-06-26 2013-06-26 Método para processar um sinal de difusão de áudio digital, e, receptor de rádio

Country Status (6)

Country Link
US (1) US9252899B2 (pt)
CN (1) CN104509007B (pt)
BR (1) BR112014032508B1 (pt)
CA (1) CA2877627C (pt)
MX (1) MX341717B (pt)
WO (1) WO2014004653A2 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9312972B2 (en) * 2013-05-31 2016-04-12 Silicon Laboratories Inc. Methods and systems for blending between analog and digital broadcast signals
US9391692B2 (en) * 2013-07-05 2016-07-12 Gilat Satellite Networks Ltd. System for dual frequency range mobile two-way satellite communications
US9837061B2 (en) * 2014-06-23 2017-12-05 Nxp B.V. System and method for blending multi-channel signals
CN105071782A (zh) * 2015-07-29 2015-11-18 无锡思泰迪半导体有限公司 一种可变带宽滤波器芯片
US9819480B2 (en) * 2015-08-04 2017-11-14 Ibiquity Digital Corporation System and method for synchronous processing of analog and digital pathways in a digital radio receiver
US9947332B2 (en) 2015-12-11 2018-04-17 Ibiquity Digital Corporation Method and apparatus for automatic audio alignment in a hybrid radio system
US9755598B2 (en) * 2015-12-18 2017-09-05 Ibiquity Digital Corporation Method and apparatus for level control in blending an audio signal in an in-band on-channel radio system
WO2017186704A1 (en) * 2016-04-27 2017-11-02 Sony Corporation Apparatus and method
EP3337065B1 (en) * 2016-12-16 2020-11-25 Nxp B.V. Audio processing circuit, audio unit and method for audio signal blending
US10484115B2 (en) 2018-02-09 2019-11-19 Ibiquity Digital Corporation Analog and digital audio alignment in the HD radio exciter engine (exgine)
US10177729B1 (en) * 2018-02-19 2019-01-08 Ibiquity Digital Corporation Auto level in digital radio systems
JP2020072463A (ja) * 2018-11-02 2020-05-07 パナソニックＩｐマネジメント株式会社 復調装置、受信装置および復調方法
TWI756730B (zh) * 2020-07-03 2022-03-01 立積電子股份有限公司 調頻解調變裝置及調頻解調變裝置的控制方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956624A (en) 1994-07-12 1999-09-21 Usa Digital Radio Partners Lp Method and system for simultaneously broadcasting and receiving digital and analog signals
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
US5949796A (en) 1996-06-19 1999-09-07 Kumar; Derek D. In-band on-channel digital broadcasting method and system
US6178317B1 (en) 1997-10-09 2001-01-23 Ibiquity Digital Corporation System and method for mitigating intermittent interruptions in an audio radio broadcast system
US6243424B1 (en) 1998-03-27 2001-06-05 Ibiguity Digital Corporation Method and apparatus for AM digital broadcasting
US6259893B1 (en) 1998-11-03 2001-07-10 Ibiquity Digital Corporation Method and apparatus for reduction of FM interference for FM in-band on-channel digital audio broadcasting system
US6590944B1 (en) 1999-02-24 2003-07-08 Ibiquity Digital Corporation Audio blend method and apparatus for AM and FM in band on channel digital audio broadcasting
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
EP1370016B1 (en) * 2002-06-07 2005-04-20 Sony International (Europe) GmbH Method and apparatus for the reception of an audio signal transmitted both in analogue and in higher-quality digital modulation, gradually varying the mixing ratio from digital to analogue in case of poor channel conditions, so as to make the change less perceptible
US7221688B2 (en) 2002-07-31 2007-05-22 Ibiquity Digital Corporation Method and apparatus for receiving a digital audio broadcasting signal
US6970685B2 (en) 2003-02-14 2005-11-29 Ibiquity Digital Corporation Method and apparatus for dynamic filter selection in radio receivers
US7546088B2 (en) * 2004-07-26 2009-06-09 Ibiquity Digital Corporation Method and apparatus for blending an audio signal in an in-band on-channel radio system
US7944998B2 (en) * 2006-06-16 2011-05-17 Harman International Industries, Incorporated Audio correlation system for high definition radio blending
US8014446B2 (en) 2006-12-22 2011-09-06 Ibiquity Digital Corporation Method and apparatus for store and replay functions in a digital radio broadcasting receiver
JP4916974B2 (ja) * 2007-08-03 2012-04-18 オンセミコンダクター・トレーディング・リミテッド Ｆｍチューナ
US8180470B2 (en) 2008-07-31 2012-05-15 Ibiquity Digital Corporation Systems and methods for fine alignment of analog and digital signal pathways

Also Published As

Publication number Publication date
US20130343547A1 (en) 2013-12-26
US9252899B2 (en) 2016-02-02
WO2014004653A2 (en) 2014-01-03
BR112014032508B1 (pt) 2022-09-06
CN104509007A (zh) 2015-04-08
MX2015000062A (es) 2015-06-05
CA2877627C (en) 2021-07-27
WO2014004653A3 (en) 2014-04-03
CN104509007B (zh) 2018-02-13
MX341717B (es) 2016-08-31
CA2877627A1 (en) 2014-01-03

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04H 20/30

Ipc: H04H 40/36 (2008.01)

B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/06/2013, OBSERVADAS AS CONDICOES LEGAIS