KR20030039059A - 디지털 방송 프로그램에서의 저배속 재생방법 - Google Patents
디지털 방송 프로그램에서의 저배속 재생방법 Download PDFInfo
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- KR20030039059A KR20030039059A KR1020010069860A KR20010069860A KR20030039059A KR 20030039059 A KR20030039059 A KR 20030039059A KR 1020010069860 A KR1020010069860 A KR 1020010069860A KR 20010069860 A KR20010069860 A KR 20010069860A KR 20030039059 A KR20030039059 A KR 20030039059A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
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- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002789 length control Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- GUGNSJAORJLKGP-UHFFFAOYSA-K sodium 8-methoxypyrene-1,3,6-trisulfonate Chemical compound [Na+].[Na+].[Na+].C1=C2C(OC)=CC(S([O-])(=O)=O)=C(C=C3)C2=C2C3=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1 GUGNSJAORJLKGP-UHFFFAOYSA-K 0.000 description 1
- KFZUDNZQQCWGKF-UHFFFAOYSA-M sodium;4-methylbenzenesulfinate Chemical compound [Na+].CC1=CC=C(S([O-])=O)C=C1 KFZUDNZQQCWGKF-UHFFFAOYSA-M 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Classifications
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- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
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- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (8)
- 디지털 방송 프로그램의 트랜스포트 스트림에서 저배속 재생하는 방법에 있어서,상기 트랜스포트 스트림에서 B-픽처를 제거하는 1단계;상기 트랜스포트 스트림의 각 픽처 사이에, 상기 저배속 요청 재생 속도에 상응하는 회수만큼 엠프티 픽처를 삽입하는 2단계; 및상기 재구성된 트랜스포트 스트림을 재생하는 3단계를 포함하여 이루어지는 것을 특징으로 하는 디지털 방송 프로그램의 저배속 재생방법.
- 제 1항에 있어서,상기 엠프티 픽처의 재생 회수는, 상기 저배속 재생속도에 반비례하게 결정하되, 삽입 엠프티 픽처는 홀수개인 것을 특징으로 하는 디지털 방송 프로그램의 저배속 재생방법.
- 제 1항에 있어서,상기 엠프티 픽처는, I-픽처인 것을 특징으로 하는 디지털 방송 프로그램의 저배속 재생방법.
- 제 1항에 있어서,상기 엠프티 픽처는, P-픽처인 것을 특징으로 하는 디지털 방송 프로그램의 저배속 재생방법.
- 제 1항에 있어서,상기 엠프티 픽처는, 보간 픽처인 것을 특징으로 하는 디지털 방송 프로그램의 저배속 재생방법.
- 제 1항에 있어서,상기 엠프티 픽처는, 적어도 상기 I-픽처 또는 P-픽처와, P-픽처가 보간된 제1 엠프티 픽처와, 상기 제1 엠프티 픽처와 I-픽처가 보간된 제2 엠프티 픽처, 그리고, 상기 제1 엠프티 픽처와 P-픽처가 보간된 제3 엠프티 픽처가 각각 간삽되되, 그 간삽 순서는 제2, 제1, 제3 엠프티 픽처 순으로 간삽되는 것을 특징으로 하는 디지털 방송 프로그램에서의 저배속 재생방법.
- 디지털 방송 프로그램의 트랜스포트 스트림에서 저배속 재생하는 방법에 있어서,상기 트랜스포트 스트림에서 B-픽처를 제거하는 1단계;상기 트랜스포트 스트림의 로우 딜레이 플래그(Low_Delay Flag)를 세트시키는 2단계; 및상기 저배속 재생속도에 따라, 상기 로우 딜레이 플래그가 세트된 스트림 내의 각 픽처의 임시 참조(Temporal Reference) 번호를 가변 설정하여, 저배속 재생동작을 수행하는 3단계를 포함하여 이루어지는 것을 특징으로 하는 디지털 방송 프로그램의 저배속 재생방법.
- 제 7항에 있어서,상기 임시 참조 번호는, 상기 로우 딜레이 플래그가 세트된 스트림 내의 각 I-픽처와 P-픽처의 재생 표시순서를 지정하기 위한 정보인 것을 특징으로 하는 디지털 방송 프로그램에서의 저배속 재생방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0069860A KR100434740B1 (ko) | 2001-11-09 | 2001-11-09 | 디지털 방송 프로그램에서의 저배속 재생방법 |
EP20020023812 EP1311120A3 (en) | 2001-11-09 | 2002-10-23 | Method for implementing low-speed playback of a digital broadcast program |
CNB021502900A CN1288906C (zh) | 2001-11-09 | 2002-11-08 | 低速重放数字广播节目的方法 |
US10/290,305 US20030091331A1 (en) | 2001-11-09 | 2002-11-08 | Method for implementing low-speed playback of a digital broadcast program |
JP2002327219A JP4156907B2 (ja) | 2001-11-09 | 2002-11-11 | デジタル放送プログラムの低倍速再生方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0069860A KR100434740B1 (ko) | 2001-11-09 | 2001-11-09 | 디지털 방송 프로그램에서의 저배속 재생방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030039059A true KR20030039059A (ko) | 2003-05-17 |
KR100434740B1 KR100434740B1 (ko) | 2004-06-10 |
Family
ID=19715869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0069860A KR100434740B1 (ko) | 2001-11-09 | 2001-11-09 | 디지털 방송 프로그램에서의 저배속 재생방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030091331A1 (ko) |
EP (1) | EP1311120A3 (ko) |
JP (1) | JP4156907B2 (ko) |
KR (1) | KR100434740B1 (ko) |
CN (1) | CN1288906C (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8731378B2 (en) * | 2003-06-30 | 2014-05-20 | Broadcom Corporation | System, method, and apparatus for playing back a plurality of video elementary streams with one playback channel |
JP4249224B2 (ja) * | 2004-04-16 | 2009-04-02 | パナソニック株式会社 | 再生装置、及び記録方法 |
EP1746825B1 (en) * | 2004-04-16 | 2011-06-08 | Panasonic Corporation | Recording medium, reproduction device, program |
WO2006025527A1 (ja) * | 2004-09-03 | 2006-03-09 | Matsushita Electric Industrial Co., Ltd. | 記録媒体、記録装置、プログラム、記録方法 |
TW200704205A (en) * | 2005-04-15 | 2007-01-16 | Sony Corp | Program, information processing apparatus, information processing method and recording medium |
US20090290855A1 (en) * | 2008-05-20 | 2009-11-26 | Francois-Xavier Kowalski | Apparatus And Method For Recording Video Data |
Family Cites Families (22)
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GB8722704D0 (en) * | 1987-09-26 | 1987-11-04 | Quantel Ltd | Processing video signals |
TW224553B (en) * | 1993-03-01 | 1994-06-01 | Sony Co Ltd | Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture |
US5892882A (en) * | 1994-03-23 | 1999-04-06 | Pioneer Electronic Corporation | Moving picture decoding device having a compressed picture data memory |
JPH08140042A (ja) * | 1994-11-07 | 1996-05-31 | Sony Corp | 画像データの再生装置及び記録再生装置 |
JP3281742B2 (ja) * | 1995-02-16 | 2002-05-13 | アルパイン株式会社 | ディスクプレーヤー |
JP3604186B2 (ja) * | 1995-02-16 | 2004-12-22 | 三菱電機株式会社 | 記録媒体の記録方法及び再生方法 |
JP3484834B2 (ja) * | 1995-07-28 | 2004-01-06 | ソニー株式会社 | データ符号化/復号化方法および装置 |
GB2305569B (en) * | 1995-09-21 | 1999-07-21 | Innovision Res Ltd | Motion compensated interpolation |
KR970057096A (ko) * | 1995-12-28 | 1997-07-31 | 배순훈 | 텔레비젼의 mpeg을 이용한 슬로우 비디오 화면 구현방법 |
JPH1093920A (ja) * | 1996-09-17 | 1998-04-10 | Nec Corp | Mpeg2スロー再生装置 |
JP3528524B2 (ja) * | 1997-07-10 | 2004-05-17 | ソニー株式会社 | 記録再生装置および記録再生方法、並びに記録媒体 |
US6560400B1 (en) * | 1997-07-10 | 2003-05-06 | Hitachi Denshi Kabushiki Kaisha | Video information editing method and system, and recording medium having the editing method stored |
US6034731A (en) * | 1997-08-13 | 2000-03-07 | Sarnoff Corporation | MPEG frame processing method and apparatus |
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US6704357B1 (en) * | 1999-09-28 | 2004-03-09 | 3Com Corporation | Method and apparatus for reconstruction of low frame rate video conferencing data |
AU1452801A (en) * | 1999-11-10 | 2001-06-06 | Thomson Licensing S.A. | Fading feature for a dvd recorder |
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KR20020022723A (ko) * | 2000-04-25 | 2002-03-27 | 요트.게.아. 롤페즈 | 비디오 디스플레이 장치 및 응답 시간 감소 방법 |
JP4337248B2 (ja) * | 2000-08-31 | 2009-09-30 | ソニー株式会社 | 画像情報の伝送装置、伝送システムおよび伝送方法 |
US20020136298A1 (en) * | 2001-01-18 | 2002-09-26 | Chandrashekhara Anantharamu | System and method for adaptive streaming of predictive coded video data |
US7215871B2 (en) * | 2001-07-27 | 2007-05-08 | Thomson Licensing | Changing a playback speed for video presentation recorded in a field structure format |
US6577809B2 (en) * | 2001-10-23 | 2003-06-10 | Thomson Licensing S.A. | User selectable variable trick mode speed |
-
2001
- 2001-11-09 KR KR10-2001-0069860A patent/KR100434740B1/ko active IP Right Grant
-
2002
- 2002-10-23 EP EP20020023812 patent/EP1311120A3/en not_active Withdrawn
- 2002-11-08 CN CNB021502900A patent/CN1288906C/zh not_active Expired - Fee Related
- 2002-11-08 US US10/290,305 patent/US20030091331A1/en not_active Abandoned
- 2002-11-11 JP JP2002327219A patent/JP4156907B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20030091331A1 (en) | 2003-05-15 |
JP4156907B2 (ja) | 2008-09-24 |
CN1288906C (zh) | 2006-12-06 |
CN1418011A (zh) | 2003-05-14 |
EP1311120A2 (en) | 2003-05-14 |
EP1311120A3 (en) | 2006-09-27 |
KR100434740B1 (ko) | 2004-06-10 |
JP2003284004A (ja) | 2003-10-03 |
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