BR9713983A - Processo para identificar o primeiro e segundo campos em uma estrutura de segmentos de dados repetitivos, e, sistema de identificação de estrutura - Google Patents
Processo para identificar o primeiro e segundo campos em uma estrutura de segmentos de dados repetitivos, e, sistema de identificação de estruturaInfo
- Publication number
- BR9713983A BR9713983A BR9713983-1A BR9713983A BR9713983A BR 9713983 A BR9713983 A BR 9713983A BR 9713983 A BR9713983 A BR 9713983A BR 9713983 A BR9713983 A BR 9713983A
- Authority
- BR
- Brazil
- Prior art keywords
- segment
- fields
- data segment
- field
- data segments
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
- Synchronizing For Television (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
"PROCESSO PARA IDENTIFICAR O PRIMEIRO E SEGUNDO CAMPOS EM UMA ESTRUTURA DE SEGMENTOS DE DADOS REPETITIVOS, E, SISTEMA DE IDENTIFICAçãO DE ESTRUTURA". Um sinal de televisão digital inclui estruturas sucessivas de dois campos, cada um compreendendo 313 segmentos de dados, com o primeiro segmento de dados em cada campo funcionando como um sincronismo de campo. O segmento de sincronismo de campo compreende uma seq³ência de 511 números pseudo randómicos (PN) e 3 seq³ências 63 PN, com a intermediária das seq³ências 63 PN alternando polaridade em campos sucessivos. Um segmento de dados de referência é comparado com a seq³ência 511 PN em cada segmento de dados e o segmento de dados com o menor número de erros é identificado como o primeiro segmento de dados no campo. A porção correspondente do segmento de referência é comparada com a intermediação das seq³ências 63 PN nos primeiros segmentos de dados identificados e aquelas com o menor número de erro é definida para ser o primeiro segmento na estrutura. Contadores de segurança são usados para assegurar determinações confiáveis.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/751,895 US5978424A (en) | 1996-11-18 | 1996-11-18 | Frame identification system |
PCT/US1997/020800 WO1998023092A1 (en) | 1996-11-18 | 1997-11-13 | Field identification system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9713983A true BR9713983A (pt) | 2000-05-02 |
Family
ID=25023971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9713983-1A BR9713983A (pt) | 1996-11-18 | 1997-11-13 | Processo para identificar o primeiro e segundo campos em uma estrutura de segmentos de dados repetitivos, e, sistema de identificação de estrutura |
Country Status (10)
Country | Link |
---|---|
US (1) | US5978424A (pt) |
JP (1) | JP2001505737A (pt) |
KR (1) | KR100322866B1 (pt) |
CN (1) | CN1155251C (pt) |
AU (1) | AU5356098A (pt) |
BR (1) | BR9713983A (pt) |
CA (1) | CA2265920C (pt) |
HK (1) | HK1023017A1 (pt) |
ID (1) | ID21955A (pt) |
WO (1) | WO1998023092A1 (pt) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9723052D0 (en) * | 1997-10-31 | 1998-01-07 | Thomson Consumer Electronics | High definition television vsb receiver |
US6384858B1 (en) * | 1998-08-24 | 2002-05-07 | Samsung Electronics Co., Ltd. | Suppression of co-channel NTSC interference artifacts when extracting training signal for a DTV receiver equalizer |
KR100304889B1 (ko) * | 1998-12-31 | 2001-09-24 | 구자홍 | 디지털텔레비전의잔류측파대모드검출장치 |
JP4596226B2 (ja) * | 2001-06-27 | 2010-12-08 | ソニー株式会社 | 画像処理装置および方法、記録媒体、並びにプログラム |
JP3596519B2 (ja) * | 2001-12-13 | 2004-12-02 | ソニー株式会社 | 画像信号処理装置及び方法 |
JP3596520B2 (ja) * | 2001-12-13 | 2004-12-02 | ソニー株式会社 | 画像信号処理装置及び方法 |
CN100356783C (zh) * | 2003-02-14 | 2007-12-19 | 上海交通大学 | 数字地面广播传输中的帧场同步方法 |
US7599348B2 (en) | 2003-11-04 | 2009-10-06 | Lg Electronics Inc. | Digital E8-VSB reception system and E8-VSB data demultiplexing method |
CN100356786C (zh) * | 2003-11-13 | 2007-12-19 | 上海交通大学 | 数字电视地面广播传输系统中的信号传输方法 |
TWI279130B (en) * | 2004-07-06 | 2007-04-11 | Realtek Semiconductor Corp | Interference detecting circuit for use in ATSC system and method thereof |
US7804860B2 (en) | 2005-10-05 | 2010-09-28 | Lg Electronics Inc. | Method of processing traffic information and digital broadcast system |
US7840868B2 (en) | 2005-10-05 | 2010-11-23 | Lg Electronics Inc. | Method of processing traffic information and digital broadcast system |
WO2007091779A1 (en) | 2006-02-10 | 2007-08-16 | Lg Electronics Inc. | Digital broadcasting receiver and method of processing data |
WO2007126196A1 (en) | 2006-04-29 | 2007-11-08 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
WO2007136166A1 (en) | 2006-05-23 | 2007-11-29 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
US7873104B2 (en) | 2006-10-12 | 2011-01-18 | Lg Electronics Inc. | Digital television transmitting system and receiving system and method of processing broadcasting data |
KR101285887B1 (ko) * | 2007-03-26 | 2013-07-11 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101253185B1 (ko) | 2007-03-26 | 2013-04-10 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101285888B1 (ko) * | 2007-03-30 | 2013-07-11 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR20080090784A (ko) * | 2007-04-06 | 2008-10-09 | 엘지전자 주식회사 | 전자 프로그램 정보 제어 방법 및 수신 장치 |
KR101405966B1 (ko) | 2007-06-26 | 2014-06-20 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101456002B1 (ko) | 2007-06-26 | 2014-11-03 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
WO2009005326A2 (en) | 2007-07-04 | 2009-01-08 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
US8433973B2 (en) | 2007-07-04 | 2013-04-30 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
KR20090012180A (ko) | 2007-07-28 | 2009-02-02 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
WO2009028857A2 (en) | 2007-08-24 | 2009-03-05 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
CN101785302B (zh) * | 2007-08-24 | 2013-07-17 | Lg电子株式会社 | 数字广播系统和在数字广播系统中处理数据的方法 |
CN101785301B (zh) | 2007-08-24 | 2012-06-20 | Lg电子株式会社 | 数字广播系统和在数字广播系统中处理数据的方法 |
CN101785304B (zh) | 2007-08-24 | 2013-04-24 | Lg电子株式会社 | 数字广播系统和数字广播系统中的数据处理方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1431218A (en) * | 1973-06-15 | 1976-04-07 | Marconi Co Ltd | Pseudorandom binary sequence error counters |
US3854011A (en) * | 1973-09-24 | 1974-12-10 | Gen Dynamics Corp | Frame synchronization system for digital multiplexing systems |
DE3905669C2 (de) * | 1989-02-24 | 1996-03-07 | Broadcast Television Syst | Schaltungsanordnung zur Ableitung von Synchronsignalen aus einem digitalen Videosignal |
GB8929152D0 (en) * | 1989-12-22 | 1990-02-28 | Gen Electric | A digital augmentation system for actv-ii |
US5060067A (en) * | 1990-11-26 | 1991-10-22 | Zenith Electronics Corporation | System for negating the effects of DC offsets in an adaptive equalizer |
US5229847A (en) * | 1991-07-12 | 1993-07-20 | General Electric Company | Television signal processing system including modulated auxiliary carrier |
US5260793A (en) * | 1991-07-18 | 1993-11-09 | Zenith Electronics Corporation | Receiver post coder selection circuit |
US5534938A (en) * | 1991-07-18 | 1996-07-09 | Citta; Richard W. | Digital TV system using segment and field sync signals |
US5602595A (en) * | 1993-12-29 | 1997-02-11 | Zenith Electronics Corporation | ATV/MPEG sync system |
US5619269A (en) * | 1995-06-07 | 1997-04-08 | Zenith Electronics Corporation | Frame sync signal for digital transmission system |
-
1996
- 1996-11-18 US US08/751,895 patent/US5978424A/en not_active Expired - Lifetime
-
1997
- 1997-11-13 ID IDW990078A patent/ID21955A/id unknown
- 1997-11-13 AU AU53560/98A patent/AU5356098A/en not_active Abandoned
- 1997-11-13 CN CNB971989117A patent/CN1155251C/zh not_active Expired - Lifetime
- 1997-11-13 CA CA002265920A patent/CA2265920C/en not_active Expired - Lifetime
- 1997-11-13 JP JP52375598A patent/JP2001505737A/ja active Pending
- 1997-11-13 BR BR9713983-1A patent/BR9713983A/pt not_active Application Discontinuation
- 1997-11-13 WO PCT/US1997/020800 patent/WO1998023092A1/en active IP Right Grant
- 1997-11-13 KR KR1019997004356A patent/KR100322866B1/ko not_active IP Right Cessation
-
2000
- 2000-03-23 HK HK00101792A patent/HK1023017A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1155251C (zh) | 2004-06-23 |
WO1998023092A1 (en) | 1998-05-28 |
HK1023017A1 (en) | 2000-08-25 |
CA2265920C (en) | 2003-08-12 |
KR100322866B1 (ko) | 2002-02-08 |
AU5356098A (en) | 1998-06-10 |
CA2265920A1 (en) | 1998-05-28 |
KR20000053336A (ko) | 2000-08-25 |
US5978424A (en) | 1999-11-02 |
JP2001505737A (ja) | 2001-04-24 |
ID21955A (id) | 1999-08-19 |
CN1234163A (zh) | 1999-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ART. 8O COMBINADO 13 DA LPI. |
|
B09B | Patent application refused [chapter 9.2 patent gazette] |
Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL. |