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
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000002156 mixing Methods 0.000 abstract 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/04—Speech 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
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech 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
- G10L19/04—Speech 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- 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
- H04B1/16—Circuits
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- 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
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- 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
- 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
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.
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) |
Families Citing this family (7)
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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 |
US9832007B2 (en) * | 2016-04-14 | 2017-11-28 | Ibiquity Digital Corporation | Time-alignment measurement for hybrid HD radio™ technology |
US10666416B2 (en) | 2016-04-14 | 2020-05-26 | 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 |
JP7262080B2 (ja) * | 2019-08-20 | 2023-04-21 | パナソニックIpマネジメント株式会社 | 受信装置 |
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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 |
US6473604B1 (en) | 1999-11-11 | 2002-10-29 | Daimlerchrysler Corporation | Audio level matching of different radio input sources |
US7039204B2 (en) | 2002-06-24 | 2006-05-02 | Agere Systems Inc. | Equalization for audio mixing |
AR041413A1 (es) * | 2002-09-27 | 2005-05-18 | Ibiquity Digital Corp | Metodo y aparato para la transmision digital de audio |
EP2408126A1 (en) * | 2004-02-19 | 2012-01-18 | Landmark Digital Services LLC | Method and apparatus for identification of broadcast source |
JP4913038B2 (ja) | 2004-04-08 | 2012-04-11 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 音声レベル制御 |
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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 |
-
2015
- 2015-12-11 US US14/966,716 patent/US9947332B2/en active Active
-
2016
- 2016-12-09 JP JP2018530522A patent/JP6812437B2/ja active Active
- 2016-12-09 KR KR1020187019712A patent/KR102486073B1/ko active IP Right Grant
- 2016-12-09 CA CA3007994A patent/CA3007994C/en active Active
- 2016-12-09 EP EP16826219.4A patent/EP3387765B1/en active Active
- 2016-12-09 CN CN201680079534.5A patent/CN108476077B/zh active Active
- 2016-12-09 MX MX2018007085A patent/MX2018007085A/es unknown
- 2016-12-09 TW TW105140803A patent/TWI723098B/zh active
- 2016-12-09 WO PCT/US2016/065754 patent/WO2017100528A1/en active Application Filing
-
2018
- 2018-03-20 US US15/926,536 patent/US10255926B2/en active Active
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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