BR112018068663A2 - método para processamento de um sinal de difusão de áudio digital, e, receptor de rádio. - Google Patents

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

Info

Publication number
BR112018068663A2
BR112018068663A2 BR112018068663A BR112018068663A BR112018068663A2 BR 112018068663 A2 BR112018068663 A2 BR 112018068663A2 BR 112018068663 A BR112018068663 A BR 112018068663A BR 112018068663 A BR112018068663 A BR 112018068663A BR 112018068663 A2 BR112018068663 A2 BR 112018068663A2
Authority
BR
Brazil
Prior art keywords
digital
digital audio
analog
radio receiver
broadcast signal
Prior art date
Application number
BR112018068663A
Other languages
English (en)
Other versions
BR112018068663B1 (pt
Inventor
W Kroeger Brian
S Baird Jeffrey
J Peyla Paul
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 BR112018068663A2 publication Critical patent/BR112018068663A2/pt
Publication of BR112018068663B1 publication Critical patent/BR112018068663B1/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0882—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity
    • H04B7/0885—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using post-detection diversity with combination
    • 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
    • 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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/20—Arrangements for broadcast or distribution of identical information via plural systems
    • H04H20/22—Arrangements for broadcast of identical information via plural broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/11—Arrangements for counter-measures when a portion of broadcast information is unavailable
    • H04H60/12—Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

um método para processamento de um sinal de difusão de áudio digital em um receptor de rádio inclui: receber um sinal de difusão de áudio digital; demodular o sinal de difusão de áudio digital para produzir um fluxo contínuo de áudio analógico e um fluxo contínuo de áudio digital; determinar um valor da qualidade do sinal digital para o fluxo contínuo de áudio digital; mesclar uma saída do receptor de rádio proveniente do fluxo contínuo de áudio analógico no fluxo contínuo de áudio digital quando o valor da qualidade do sinal digital exceder um valor limite analógico para digital adaptativo; e mesclar a saída do receptor de rádio proveniente do fluxo contínuo de áudio digital no fluxo contínuo de áudio analógico quando o valor da qualidade do sinal digital ficar abaixo de um valor limite digital para analógico adaptativo, em que o valor limite digital para analógico adaptativo é inferior ao valor limite analógico para digital adaptativo.
BR112018068663-8A 2016-03-16 2017-03-13 Método para processamento de um sinal de difusão de áudio digital, e, receptor de rádio BR112018068663B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/071,389 US9768853B1 (en) 2016-03-16 2016-03-16 Method and apparatus for blending an audio signal in an in-band on-channel radio system
US15/071,389 2016-03-16
PCT/US2017/022016 WO2017160677A1 (en) 2016-03-16 2017-03-13 Method and apparatus for blending an audio signal in an in-band on-channel radio system

Publications (2)

Publication Number Publication Date
BR112018068663A2 true BR112018068663A2 (pt) 2019-02-05
BR112018068663B1 BR112018068663B1 (pt) 2023-03-07

Family

ID=58455655

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018068663-8A BR112018068663B1 (pt) 2016-03-16 2017-03-13 Método para processamento de um sinal de difusão de áudio digital, e, receptor de rádio

Country Status (10)

Country Link
US (1) US9768853B1 (pt)
EP (1) EP3430742B1 (pt)
JP (1) JP6985284B2 (pt)
KR (1) KR102341976B1 (pt)
CN (1) CN109075880B (pt)
BR (1) BR112018068663B1 (pt)
CA (1) CA3017912C (pt)
MX (1) MX2018011237A (pt)
TW (1) TWI739813B (pt)
WO (1) WO2017160677A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10499229B2 (en) * 2016-01-24 2019-12-03 Qualcomm Incorporated Enhanced fallback to in-band mode for emergency calling
FR3056043B1 (fr) * 2016-09-15 2019-02-01 Continental Automotive France Dispositif de traitement d'un signal audio issu d'un signal radiofrequence
US10638188B2 (en) * 2018-04-23 2020-04-28 Ibiquity Digital Corporation Method of estimating digital audio availability for supplemental audio programs in HD radio broadcast
CN116368750A (zh) * 2020-09-16 2023-06-30 艾比奎蒂数字公司 源选择后的移动混合无线电接收器服务

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6178317B1 (en) 1997-10-09 2001-01-23 Ibiquity Digital Corporation System and method for mitigating intermittent interruptions in an audio radio broadcast 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
JP4053932B2 (ja) * 2003-06-20 2008-02-27 株式会社ケンウッド Ｉｂｏｃ放送受信機。
EP2242231A1 (en) * 2003-11-12 2010-10-20 Qualcomm Incorporated High data rate interface with improved link control
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
US7953183B2 (en) * 2006-06-16 2011-05-31 Harman International Industries, Incorporated System for high definition radio blending
US7944998B2 (en) * 2006-06-16 2011-05-17 Harman International Industries, Incorporated Audio correlation system for high definition radio blending
US8180470B2 (en) 2008-07-31 2012-05-15 Ibiquity Digital Corporation Systems and methods for fine alignment of analog and digital signal pathways
JP2010136183A (ja) * 2008-12-05 2010-06-17 Fujitsu Ten Ltd ラジオ受信装置
US20120316663A1 (en) * 2010-02-19 2012-12-13 Panasonic Corporation Radio broadcast reception device
CN102215076B (zh) * 2011-06-09 2016-05-18 电信科学技术研究院 触发和进行频谱感知的方法、系统及设备
JP2013093813A (ja) * 2011-10-27 2013-05-16 Panasonic Corp 車載用受信装置
US9094139B2 (en) * 2012-06-26 2015-07-28 Ibiquity Digital Corporation Look ahead metrics to improve blending decision
MX350054B (es) * 2013-05-03 2017-08-23 Ibiquity Digital Corp Decodificación de correción de error hacia adelante iterativa para sistemas de radiodifusion fm en canal dentro de banda.
US9596044B2 (en) * 2015-02-13 2017-03-14 Ibiquity Digital Corporation Method and apparatus for analog and digital audio blend for HD radio receivers

Also Published As

Publication number Publication date
CA3017912C (en) 2024-01-23
US20170272143A1 (en) 2017-09-21
TWI739813B (zh) 2021-09-21
TW201737647A (zh) 2017-10-16
CN109075880A (zh) 2018-12-21
EP3430742A1 (en) 2019-01-23
KR102341976B1 (ko) 2021-12-23
JP6985284B2 (ja) 2021-12-22
CN109075880B (zh) 2020-08-21
WO2017160677A1 (en) 2017-09-21
JP2019518344A (ja) 2019-06-27
CA3017912A1 (en) 2017-09-21
EP3430742B1 (en) 2020-11-18
MX2018011237A (es) 2019-05-20
US9768853B1 (en) 2017-09-19
KR20180124930A (ko) 2018-11-21
BR112018068663B1 (pt) 2023-03-07

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 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 13/03/2017, OBSERVADAS AS CONDICOES LEGAIS