MX2018007085A - Metodo y aparato para alineacion automatica de audio en un sistema de radio hibrido. - Google Patents

Metodo y aparato para alineacion automatica de audio en un sistema de radio hibrido.

Info

Publication number
MX2018007085A
MX2018007085A MX2018007085A MX2018007085A MX2018007085A MX 2018007085 A MX2018007085 A MX 2018007085A MX 2018007085 A MX2018007085 A MX 2018007085A MX 2018007085 A MX2018007085 A MX 2018007085A MX 2018007085 A MX2018007085 A MX 2018007085A
Authority
MX
Mexico
Prior art keywords
consistency
determining
history
inversion status
found
Prior art date
Application number
MX2018007085A
Other languages
English (en)
Inventor
S Olochwoszcz Gabriel
Pahuja Ashwini
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 MX2018007085A publication Critical patent/MX2018007085A/es

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/11Arrangements for counter-measures when a portion of broadcast information is unavailable
    • H04H60/12Arrangements for counter-measures when a portion of broadcast information is unavailable wherein another information is substituted for the portion of broadcast information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H2201/00Aspects of broadcast communication
    • H04H2201/10Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/18Aspects of broadcast communication characterised by the type of broadcast system in band on channel [IBOC]
    • H04H2201/183FM digital or hybrid

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Un método de procesamiento de una señal de radiodifusión digital que incluye: (a) determinar una pluralidad de valores de muestra de correlación actuales representativos de un retardo de tiempo entre muestras en una corriente de muestras de audio analógico y muestras en una corriente de muestras de audio digital; (b) determinar un estado de inversión actual; (c) actualizar una historia de retardos y un historial de estado de inversión; (d) comprobar los valores de muestras de correlación actuales en cuanto a consistencia con un primer umbral de 'confianza; (e) si se encuentra consistencia en la etapa (d), determinar si cada uno de una primera pluralidad de valores en la historia de retardos es consistente dentro de un intervalo predeterminado de los valores de muestra de correlación actuales; (f) si se encuentra consistencia en la etapa (e), determinar si un valor en el historial del estado de inversión es consistente con el estado de inversión actual y (g) si se encuentra consistencia en la etapa (f), permitir la mezcla de una salida a la corriente de muestras de audio digital.
MX2018007085A 2015-12-11 2016-12-09 Metodo y aparato para alineacion automatica de audio en un sistema de radio hibrido. MX2018007085A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/966,716 US9947332B2 (en) 2015-12-11 2015-12-11 Method and apparatus for automatic audio alignment in a hybrid radio system
PCT/US2016/065754 WO2017100528A1 (en) 2015-12-11 2016-12-09 Method and apparatus for automatic audio alignment in a hybrid radio system

Publications (1)

Publication Number Publication Date
MX2018007085A true MX2018007085A (es) 2018-09-18

Family

ID=57796971

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2018007085A MX2018007085A (es) 2015-12-11 2016-12-09 Metodo y aparato para alineacion automatica de audio en un sistema de radio hibrido.

Country Status (9)

Country Link
US (2) US9947332B2 (es)
EP (1) EP3387765B1 (es)
JP (1) JP6812437B2 (es)
KR (1) KR102486073B1 (es)
CN (1) CN108476077B (es)
CA (1) CA3007994C (es)
MX (1) MX2018007085A (es)
TW (1) TWI723098B (es)
WO (1) WO2017100528A1 (es)

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Also Published As

Publication number Publication date
WO2017100528A1 (en) 2017-06-15
CA3007994A1 (en) 2017-06-15
TWI723098B (zh) 2021-04-01
KR20180094022A (ko) 2018-08-22
CN108476077A (zh) 2018-08-31
KR102486073B1 (ko) 2023-01-06
CN108476077B (zh) 2020-04-10
EP3387765A1 (en) 2018-10-17
TW201731243A (zh) 2017-09-01
JP2019502310A (ja) 2019-01-24
US20180308499A1 (en) 2018-10-25
JP6812437B2 (ja) 2021-01-13
CA3007994C (en) 2023-06-27
EP3387765B1 (en) 2021-06-16
US9947332B2 (en) 2018-04-17
US20170169832A1 (en) 2017-06-15
US10255926B2 (en) 2019-04-09

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