KR0182004B1 - Mpeg-2 시스템 디코더에서의 채널 호핑 타임 감소방법 - Google Patents
Mpeg-2 시스템 디코더에서의 채널 호핑 타임 감소방법 Download PDFInfo
- Publication number
- KR0182004B1 KR0182004B1 KR1019950044331A KR19950044331A KR0182004B1 KR 0182004 B1 KR0182004 B1 KR 0182004B1 KR 1019950044331 A KR1019950044331 A KR 1019950044331A KR 19950044331 A KR19950044331 A KR 19950044331A KR 0182004 B1 KR0182004 B1 KR 0182004B1
- Authority
- KR
- South Korea
- Prior art keywords
- channel
- pid
- audio
- video
- storage area
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
- H04N21/4384—Accessing a communication channel involving operations to reduce the access time, e.g. fast-tuning for reducing channel switching latency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (2)
- MPEG-2 시스템 디코더에서의 채널 호핑 타임 감소 방법에 있어서, 다수 프로그램에 대한 오디오 및 비디오의 PID값을 검출하여 소정 저장영역에 저장하는 제1과정과; 채널 변경시에 상기 저장영역에 저장된 오디오 및 비디오의 PID를 억세스하여 채널 변경 동작을 수행하는 제2과정을 포함하는 것을 특징으로 하는 MPEG-2 시스템 디코더에서의 채널 호핑 타임 감소방법.
- MPEG-2 시스템 디코더에서의 채널 호핑 타임 감소방법에 있어서, 초기에 채널 설정 수단을 이용하여 채널 설정 동작을 수행함으로써 다수의 프로그램에 대한 PID분석을 위한 PSI처리 동작을 미리 수행하여 오디오 및 비디오의 PID값을 소정 저장영역에 저장하는 제1과정과; 채널 변경시에 상기 저장영역에 저장된 오디오 및 비디오의 PID값을 억세스하여 채널 변경 동작을 수행하는 제2과정과; 전원이 오프되는 경우 상기 저장영역에 전원을 계속적으로 공급하여 상기 저장영역에 저장된 오디오 및 비디오의 PID값을 보존하는 제3과정을 포함하는 것을 특징으로 하는 MPEG-2 시스템 디코더에서의 채널 호핑 타임 감소방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950044331A KR0182004B1 (ko) | 1995-11-28 | 1995-11-28 | Mpeg-2 시스템 디코더에서의 채널 호핑 타임 감소방법 |
| US08/747,316 US6016172A (en) | 1995-11-28 | 1996-11-13 | Method for reducing a channel hopping time in an MPEG-2 system decoder |
| JP30328996A JPH09214951A (ja) | 1995-11-28 | 1996-11-14 | Mpeg−2システムデコーダにおけるチャンネルホッピングタイム減少方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950044331A KR0182004B1 (ko) | 1995-11-28 | 1995-11-28 | Mpeg-2 시스템 디코더에서의 채널 호핑 타임 감소방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970032128A KR970032128A (ko) | 1997-06-26 |
| KR0182004B1 true KR0182004B1 (ko) | 1999-05-01 |
Family
ID=19436121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950044331A Expired - Lifetime KR0182004B1 (ko) | 1995-11-28 | 1995-11-28 | Mpeg-2 시스템 디코더에서의 채널 호핑 타임 감소방법 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6016172A (ko) |
| JP (1) | JPH09214951A (ko) |
| KR (1) | KR0182004B1 (ko) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100626951B1 (ko) * | 2005-04-29 | 2006-09-20 | 주식회사 대우일렉트로닉스 | 디지털 멀티미디어 방송 시스템의 방송 채널 튜닝 방법 |
| KR100631500B1 (ko) * | 2000-02-14 | 2006-10-09 | 엘지전자 주식회사 | 디지털 티브이의 채널 전환 장치 |
| KR100736615B1 (ko) * | 2005-08-29 | 2007-07-09 | 엘지전자 주식회사 | 채널 전환 제어 방법 |
| KR100739108B1 (ko) * | 2005-11-14 | 2007-07-13 | 삼성전자주식회사 | 고속채널전환 디지털방송수신장치 및 그 방법 |
| KR100762667B1 (ko) * | 2006-06-30 | 2007-10-01 | 삼성전자주식회사 | 빠른 채널 전환이 가능한 디지털 방송 수신 장치 및 그방법 |
| KR100768950B1 (ko) * | 2006-01-11 | 2007-10-19 | 삼성전자주식회사 | 채널전환시간을 최소화하는 디지털방송수신장치 및 그의채널전환방법 |
| KR100800837B1 (ko) * | 2006-11-29 | 2008-02-04 | 삼성전자주식회사 | Dvb-h 서비스에서 채널 설정 방법 및 단말과 그 시스템 |
| KR101008638B1 (ko) * | 2004-06-04 | 2011-01-17 | 엘지전자 주식회사 | 디지털 케이블 방송 수신기에서의 채널 전환 방법 |
| KR101241893B1 (ko) * | 2006-07-04 | 2013-03-12 | 엘지전자 주식회사 | 디지털방송 수신기의 채널 재핑방법 및 장치 |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144402A (en) * | 1997-07-08 | 2000-11-07 | Microtune, Inc. | Internet transaction acceleration |
| JPH11196342A (ja) * | 1997-12-26 | 1999-07-21 | Matsushita Electric Ind Co Ltd | 送出装置および端末 |
| DE19813784A1 (de) * | 1998-03-27 | 1999-09-30 | Nokia Deutschland Gmbh | Verfahren zum Erhöhen der Speicherkapazität für Serviceinformation in einem Empfänger für digitale TV-Sendungen |
| JP2000032414A (ja) * | 1998-07-16 | 2000-01-28 | Sony Corp | チャンネル設定方法及び受信装置 |
| EP1033875A3 (en) * | 1999-02-23 | 2006-01-25 | Canon Kabushiki Kaisha | Recording and reproducing apparatus |
| KR100390841B1 (ko) * | 2001-03-27 | 2003-07-10 | 주식회사 하이닉스반도체 | 피아이디 검출을 고속화하기 위한 피아이디 저장 및 비교장치 및 방법 |
| US20050174352A1 (en) * | 2002-01-23 | 2005-08-11 | Maria Gabrani | Image processing method and system to increase perceived visual output quality in cases of lack of image data |
| KR100975967B1 (ko) * | 2002-04-08 | 2010-08-16 | 톰슨 라이센싱 | 채널 변경 지연을 감소시키기 위해 데이터 캐싱하기 위한 장치 및 방법, 및 디지털 통신 장치 |
| KR101008615B1 (ko) * | 2003-09-08 | 2011-01-17 | 엘지전자 주식회사 | 채널전환방법 및 장치를 포함하는 방송신호 수신방법 및장치 |
| US7142255B2 (en) * | 2003-10-08 | 2006-11-28 | Silicon Laboratories Inc. | Transport stream and channel selection system for digital video receiver systems and associated method |
| KR100539886B1 (ko) * | 2004-09-10 | 2005-12-28 | 삼성전자주식회사 | 디지털 방송 수신 장치 및 그 방법 |
| KR100598360B1 (ko) * | 2005-02-14 | 2006-07-06 | 엘지전자 주식회사 | 채널 전환시 영상 표시 지연 시간 단축 장치 및 방법 |
| MX2007014050A (es) * | 2005-05-10 | 2008-02-07 | Thomson Licensing | Metodo y aparato para depositar en cache informacion de acceso para sintonizacion de cable digital mas rapido. |
| US7643508B2 (en) * | 2005-11-02 | 2010-01-05 | Alcatel Lucent | Client side PID translation |
| JP2008011445A (ja) * | 2006-06-30 | 2008-01-17 | Toshiba Corp | デジタル放送受信装置およびデジタル放送受信方法 |
| US20100058386A1 (en) * | 2006-11-06 | 2010-03-04 | Shenzhen Tcl New Technology Ltd | Method and apparatus for tuning a digital television channel |
| WO2008129200A2 (fr) * | 2007-03-16 | 2008-10-30 | Thomson Licensing | Procede d'amelioration du temps de zapping |
| US8634310B2 (en) * | 2007-06-26 | 2014-01-21 | Qualcomm Incorporated | Methods and apparatus for improved program acquisition for use with MPEG-2 based systems |
| KR100862196B1 (ko) * | 2007-09-27 | 2008-10-09 | 한국전자통신연구원 | 채널 변경 시간을 감소시키기 위한 iptv 디지털 방송시스템 및 방법 |
| JP5241331B2 (ja) * | 2008-06-03 | 2013-07-17 | 株式会社日立製作所 | デジタル放送受信装置 |
| US8724809B2 (en) * | 2008-08-12 | 2014-05-13 | Samsung Electronics Co., Ltd. | Method and system for tuning to encrypted digital television channels |
| JP5782705B2 (ja) * | 2009-11-26 | 2015-09-24 | 三菱電機株式会社 | デジタル放送受信装置及びその受信方法 |
| EP2418792A1 (de) * | 2010-05-19 | 2012-02-15 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Digital Multimedia Broadcast (DMB) mit effizienter Übertragung der Daten zur Zugangsbeschränkung im Transportstrom-Packet mit der Programmzuordnungstabelle (Program Association Table = PAT) |
| KR20140132507A (ko) | 2013-05-08 | 2014-11-18 | (주)휴맥스 | 선취득한 psi를 사용하는 채널 변경 방법 및 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2511040B2 (ja) * | 1987-06-02 | 1996-06-26 | 株式会社東芝 | 選局装置 |
| US5734589A (en) * | 1995-01-31 | 1998-03-31 | Bell Atlantic Network Services, Inc. | Digital entertainment terminal with channel mapping |
| US5650825A (en) * | 1995-03-31 | 1997-07-22 | Matsushita Electric Corporation Of America | Method and apparatus for sending private data instead of stuffing bits in an MPEG bit stream |
| US5602920A (en) * | 1995-05-31 | 1997-02-11 | Zenith Electronics Corporation | Combined DCAM and transport demultiplexer |
| US5826166A (en) * | 1995-07-06 | 1998-10-20 | Bell Atlantic Network Services, Inc. | Digital entertainment terminal providing dynamic execution in video dial tone networks |
| US5726989A (en) * | 1995-11-06 | 1998-03-10 | Stellar One Corporation | Method for ensuring synchronization of MPEG-1 data carried in an MPEG-2 transport stream |
-
1995
- 1995-11-28 KR KR1019950044331A patent/KR0182004B1/ko not_active Expired - Lifetime
-
1996
- 1996-11-13 US US08/747,316 patent/US6016172A/en not_active Expired - Lifetime
- 1996-11-14 JP JP30328996A patent/JPH09214951A/ja active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100631500B1 (ko) * | 2000-02-14 | 2006-10-09 | 엘지전자 주식회사 | 디지털 티브이의 채널 전환 장치 |
| KR101008638B1 (ko) * | 2004-06-04 | 2011-01-17 | 엘지전자 주식회사 | 디지털 케이블 방송 수신기에서의 채널 전환 방법 |
| KR100626951B1 (ko) * | 2005-04-29 | 2006-09-20 | 주식회사 대우일렉트로닉스 | 디지털 멀티미디어 방송 시스템의 방송 채널 튜닝 방법 |
| KR100736615B1 (ko) * | 2005-08-29 | 2007-07-09 | 엘지전자 주식회사 | 채널 전환 제어 방법 |
| KR100739108B1 (ko) * | 2005-11-14 | 2007-07-13 | 삼성전자주식회사 | 고속채널전환 디지털방송수신장치 및 그 방법 |
| KR100768950B1 (ko) * | 2006-01-11 | 2007-10-19 | 삼성전자주식회사 | 채널전환시간을 최소화하는 디지털방송수신장치 및 그의채널전환방법 |
| KR100762667B1 (ko) * | 2006-06-30 | 2007-10-01 | 삼성전자주식회사 | 빠른 채널 전환이 가능한 디지털 방송 수신 장치 및 그방법 |
| US7796569B2 (en) | 2006-06-30 | 2010-09-14 | Samsung Electronics Co., Ltd. | Digital broadcasting reception apparatus for quick channel switching and method thereof |
| KR101241893B1 (ko) * | 2006-07-04 | 2013-03-12 | 엘지전자 주식회사 | 디지털방송 수신기의 채널 재핑방법 및 장치 |
| KR100800837B1 (ko) * | 2006-11-29 | 2008-02-04 | 삼성전자주식회사 | Dvb-h 서비스에서 채널 설정 방법 및 단말과 그 시스템 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR970032128A (ko) | 1997-06-26 |
| US6016172A (en) | 2000-01-18 |
| JPH09214951A (ja) | 1997-08-15 |
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