MX385279B - Método y aparato para alineación automática de audio en un sistema de radio híbrido. - Google Patents
Método y aparato para alineación automática de audio en un sistema de radio híbrido.Info
- Publication number
- MX385279B MX385279B MX2018007085A MX2018007085A MX385279B MX 385279 B MX385279 B MX 385279B MX 2018007085 A MX2018007085 A MX 2018007085A MX 2018007085 A MX2018007085 A MX 2018007085A MX 385279 B MX385279 B MX 385279B
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- 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)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (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 (2)
| Publication Number | Publication Date |
|---|---|
| MX2018007085A MX2018007085A (es) | 2018-09-18 |
| MX385279B true MX385279B (es) | 2025-03-18 |
Family
ID=57796971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2018007085A MX385279B (es) | 2015-12-11 | 2016-12-09 | Método y aparato para alineación automática de audio en un sistema de radio híbrido. |
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) | MX385279B (es) |
| TW (1) | TWI723098B (es) |
| WO (1) | WO2017100528A1 (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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 |
| 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 |
| JP2006501724A (ja) * | 2002-09-27 | 2006-01-12 | アイビキュイティ・デジタル・コーポレイション | デジタル音声放送システムにおける信号ビットのインターリービング方法及び装置 |
| US7986913B2 (en) * | 2004-02-19 | 2011-07-26 | Landmark Digital Services, Llc | Method and apparatus for identificaton of broadcast source |
| KR101249239B1 (ko) | 2004-04-08 | 2013-04-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 레벨 제어 |
| KR100555663B1 (ko) | 2004-06-10 | 2006-03-03 | 삼성전자주식회사 | 아날로그 방송과 디지털 방송의 음향신호의 자동보정장치및 그 보정방법 |
| 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 |
| US8027419B2 (en) * | 2005-04-08 | 2011-09-27 | Ibiquity Digital Corporation | Method for alignment of analog and digital audio in a hybrid radio waveform |
| US20060229750A1 (en) | 2005-04-12 | 2006-10-12 | Charles Rozier | System and method for providing access to supplemental program services |
| JP2007328133A (ja) * | 2006-06-08 | 2007-12-20 | Tamura Seisakusho Co Ltd | 遅延時間検出装置、方法及びプログラム |
| US7944998B2 (en) | 2006-06-16 | 2011-05-17 | Harman International Industries, Incorporated | Audio correlation system for high definition radio blending |
| US7953183B2 (en) | 2006-06-16 | 2011-05-31 | Harman International Industries, Incorporated | System for high definition radio blending |
| US7995775B2 (en) | 2006-07-14 | 2011-08-09 | Broadcom Corporation | Automatic volume control for audio signals |
| 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 |
| US8520852B2 (en) | 2006-12-22 | 2013-08-27 | Ibiquity Digital Corporation | Method and apparatus for store and replay functions in a digital radio broadcasting receiver |
| US8306156B2 (en) * | 2007-10-17 | 2012-11-06 | Montage Technology Group Limited | Data aided detection of spectrum inversion |
| US8040989B2 (en) | 2008-01-29 | 2011-10-18 | Ibiquity Digital Corporation | System and method for sampling rate adjustment of digital radio receiver |
| US8180470B2 (en) | 2008-07-31 | 2012-05-15 | Ibiquity Digital Corporation | Systems and methods for fine alignment of analog and digital signal pathways |
| US8417179B2 (en) | 2008-08-29 | 2013-04-09 | Mitsubishi Electric Corporation | Radio broadcast receiver |
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| JP2010219649A (ja) | 2009-03-13 | 2010-09-30 | Sanyo Electric Co Ltd | 受信装置 |
| US8451868B2 (en) | 2009-04-15 | 2013-05-28 | Ibiquity Digital Corporation | Systems and methods for transmitting media content via digital radio broadcast transmission for synchronized rendering by a receiver |
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| JP5389214B2 (ja) | 2012-03-30 | 2014-01-15 | 株式会社東芝 | 音量制御装置 |
| US9025773B2 (en) | 2012-04-21 | 2015-05-05 | Texas Instruments Incorporated | Undetectable combining of nonaligned concurrent signals |
| US9094139B2 (en) * | 2012-06-26 | 2015-07-28 | Ibiquity Digital Corporation | Look ahead metrics to improve blending decision |
| US9252899B2 (en) | 2012-06-26 | 2016-02-02 | Ibiquity Digital Corporation | Adaptive bandwidth management of IBOC audio signals during blending |
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| US9407383B2 (en) | 2014-12-23 | 2016-08-02 | Ibiquity Digital Corporation | Apparatus and method for distributing content from an HD radio system |
| US9596044B2 (en) | 2015-02-13 | 2017-03-14 | Ibiquity Digital Corporation | Method and apparatus for analog and digital audio blend for HD radio receivers |
| CA2982341C (en) | 2015-04-09 | 2023-08-08 | Ibiquity Digital Corporation | Systems and methods for detection of signal quality in digital radio broadcast signals |
| 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 |
-
2015
- 2015-12-11 US US14/966,716 patent/US9947332B2/en active Active
-
2016
- 2016-12-09 TW TW105140803A patent/TWI723098B/zh active
- 2016-12-09 CN CN201680079534.5A patent/CN108476077B/zh not_active Expired - Fee Related
- 2016-12-09 KR KR1020187019712A patent/KR102486073B1/ko active Active
- 2016-12-09 JP JP2018530522A patent/JP6812437B2/ja active Active
- 2016-12-09 EP EP16826219.4A patent/EP3387765B1/en active Active
- 2016-12-09 CA CA3007994A patent/CA3007994C/en active Active
- 2016-12-09 WO PCT/US2016/065754 patent/WO2017100528A1/en not_active Ceased
- 2016-12-09 MX MX2018007085A patent/MX385279B/es unknown
-
2018
- 2018-03-20 US US15/926,536 patent/US10255926B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019502310A (ja) | 2019-01-24 |
| CA3007994C (en) | 2023-06-27 |
| WO2017100528A1 (en) | 2017-06-15 |
| US20180308499A1 (en) | 2018-10-25 |
| JP6812437B2 (ja) | 2021-01-13 |
| CA3007994A1 (en) | 2017-06-15 |
| TWI723098B (zh) | 2021-04-01 |
| CN108476077A (zh) | 2018-08-31 |
| US10255926B2 (en) | 2019-04-09 |
| KR20180094022A (ko) | 2018-08-22 |
| CN108476077B (zh) | 2020-04-10 |
| US20170169832A1 (en) | 2017-06-15 |
| EP3387765B1 (en) | 2021-06-16 |
| KR102486073B1 (ko) | 2023-01-06 |
| MX2018007085A (es) | 2018-09-18 |
| US9947332B2 (en) | 2018-04-17 |
| EP3387765A1 (en) | 2018-10-17 |
| TW201731243A (zh) | 2017-09-01 |
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