CL2009001399A1 - Metodo y aparato para deteccion del del alineamiento del nivel de una senal de audio analogico y de una senal de audio digital en un sistema de radio hibrido. - Google Patents

Metodo y aparato para deteccion del del alineamiento del nivel de una senal de audio analogico y de una senal de audio digital en un sistema de radio hibrido.

Info

Publication number
CL2009001399A1
CL2009001399A1 CL2009001399A CL2009001399A CL2009001399A1 CL 2009001399 A1 CL2009001399 A1 CL 2009001399A1 CL 2009001399 A CL2009001399 A CL 2009001399A CL 2009001399 A CL2009001399 A CL 2009001399A CL 2009001399 A1 CL2009001399 A1 CL 2009001399A1
Authority
CL
Chile
Prior art keywords
audio signal
alignment
level
detecting
digital audio
Prior art date
Application number
CL2009001399A
Other languages
English (en)
Inventor
William Kroeger Brian
Lannuzzelli Russell
Chalmers Harvey
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 CL2009001399A1 publication Critical patent/CL2009001399A1/es

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
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12—Arrangements for observation, testing or troubleshooting
    • 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
    • H04H60/56—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
    • H04H60/58—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of audio
    • 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]
    • H04H2201/183—FM digital or hybrid
    • 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]
    • H04H2201/186—AM digital or hybrid

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuits Of Receivers In General (AREA)
  • Electromechanical Clocks (AREA)

Abstract

Método para la detección del alineamiento del nivel de una señal de audio analógico y audio digital que comprende: emplear la señal de audio analógico filtrada y la señal de audio digital filtrada para calcular la potencia de ambas señales para producir una señal representativa de la alineación de nivel (divisional de la solicitud 695-06).
CL2009001399A 2005-04-08 2009-06-12 Metodo y aparato para deteccion del del alineamiento del nivel de una senal de audio analogico y de una senal de audio digital en un sistema de radio hibrido. CL2009001399A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/101,795 US8027419B2 (en) 2005-04-08 2005-04-08 Method for alignment of analog and digital audio in a hybrid radio waveform

Publications (1)

Publication Number Publication Date
CL2009001399A1 true CL2009001399A1 (es) 2009-10-02

Family

ID=36572126

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2009001399A CL2009001399A1 (es) 2005-04-08 2009-06-12 Metodo y aparato para deteccion del del alineamiento del nivel de una senal de audio analogico y de una senal de audio digital en un sistema de radio hibrido.

Country Status (16)

Country Link
US (1) US8027419B2 (es)
EP (1) EP1867078A1 (es)
JP (1) JP4918082B2 (es)
KR (1) KR20080007454A (es)
CN (1) CN101167278A (es)
AR (1) AR053161A1 (es)
AU (1) AU2006234862A1 (es)
BR (1) BRPI0609086A2 (es)
CA (1) CA2603190A1 (es)
CL (1) CL2009001399A1 (es)
MX (1) MX2007012305A (es)
MY (1) MY147675A (es)
NZ (1) NZ562999A (es)
RU (1) RU2007141302A (es)
TW (1) TWI387242B (es)
WO (1) WO2006110229A1 (es)

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US8180470B2 (en) * 2008-07-31 2012-05-15 Ibiquity Digital Corporation Systems and methods for fine alignment of analog and digital signal pathways
JP2010219649A (ja) * 2009-03-13 2010-09-30 Sanyo Electric Co Ltd 受信装置
US8976969B2 (en) 2011-06-29 2015-03-10 Silicon Laboratories Inc. Delaying analog sourced audio in a radio simulcast
US8804865B2 (en) 2011-06-29 2014-08-12 Silicon Laboratories Inc. Delay adjustment using sample rate converters
US20130003637A1 (en) * 2011-06-29 2013-01-03 Javier Elenes Dynamic time alignment of audio signals in simulcast radio receivers
KR101388587B1 (ko) * 2012-06-04 2014-04-24 주식회사 글로베인 오디오 신호 제어 장치 및 방법
US9407383B2 (en) 2014-12-23 2016-08-02 Ibiquity Digital Corporation Apparatus and method for distributing content from an HD radio system
CN104902116B (zh) * 2015-03-27 2018-05-25 腾讯科技（深圳）有限公司 一种音频数据与参考信号的时间对齐方法及装置
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
CN105703861A (zh) * 2015-12-31 2016-06-22 南阳理工学院 基于drm+系统的数字频谱平均接入发送方法
CN105656580B (zh) * 2015-12-31 2018-10-30 南阳理工学院 基于drm+的数字功率动态接入方法
US10666416B2 (en) * 2016-04-14 2020-05-26 Ibiquity Digital Corporation Time-alignment measurement for hybrid HD radio technology
US9832007B2 (en) * 2016-04-14 2017-11-28 Ibiquity Digital Corporation Time-alignment measurement for hybrid HD radio™ technology
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
US12425116B2 (en) * 2021-08-13 2025-09-23 Nautel Limited Systems and method for consistent FM/HD1 diversity delay

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Also Published As

Publication number Publication date
JP4918082B2 (ja) 2012-04-18
US20060227814A1 (en) 2006-10-12
MY147675A (en) 2012-12-31
EP1867078A1 (en) 2007-12-19
MX2007012305A (es) 2007-11-21
CA2603190A1 (en) 2006-10-19
TW200707950A (en) 2007-02-16
AR053161A1 (es) 2007-04-25
AU2006234862A1 (en) 2006-10-19
NZ562999A (en) 2010-02-26
CN101167278A (zh) 2008-04-23
BRPI0609086A2 (pt) 2016-11-29
WO2006110229A1 (en) 2006-10-19
TWI387242B (zh) 2013-02-21
US8027419B2 (en) 2011-09-27
KR20080007454A (ko) 2008-01-21
JP2008538063A (ja) 2008-10-02
RU2007141302A (ru) 2009-05-20

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