CN1226876C - 存储器管理方法和处理视频信号的缓冲系统 - Google Patents

存储器管理方法和处理视频信号的缓冲系统 Download PDF

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Publication number
CN1226876C
CN1226876C CNB001203746A CN00120374A CN1226876C CN 1226876 C CN1226876 C CN 1226876C CN B001203746 A CNB001203746 A CN B001203746A CN 00120374 A CN00120374 A CN 00120374A CN 1226876 C CN1226876 C CN 1226876C
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CN
China
Prior art keywords
signal
memory
buffer
format
video
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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 - Fee Related
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CNB001203746A
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English (en)
Chinese (zh)
Other versions
CN1281312A (zh
Inventor
查尔斯·W·沃雷尔
迈克尔·E·克拉布
安德鲁·K·弗利克纳
李文华
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THOMSON LICENSING CORP
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THOMSON LICENSING CORP
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Publication date
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Publication of CN1281312A publication Critical patent/CN1281312A/zh
Application granted granted Critical
Publication of CN1226876C publication Critical patent/CN1226876C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • 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
    • H04N21/440218—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 transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4435—Memory management
    • 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
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Software Systems (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Television Signal Processing For Recording (AREA)
CNB001203746A 1999-07-15 2000-07-14 存储器管理方法和处理视频信号的缓冲系统 Expired - Fee Related CN1226876C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14415299P 1999-07-15 1999-07-15
US60/144,152 1999-07-15

Publications (2)

Publication Number Publication Date
CN1281312A CN1281312A (zh) 2001-01-24
CN1226876C true CN1226876C (zh) 2005-11-09

Family

ID=22507311

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB001203746A Expired - Fee Related CN1226876C (zh) 1999-07-15 2000-07-14 存储器管理方法和处理视频信号的缓冲系统

Country Status (8)

Country Link
US (1) US6633344B1 (enExample)
EP (1) EP1069768B1 (enExample)
JP (1) JP4515607B2 (enExample)
KR (1) KR100671985B1 (enExample)
CN (1) CN1226876C (enExample)
DE (1) DE60013968T2 (enExample)
MX (1) MXPA00006970A (enExample)
MY (1) MY125108A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6559890B1 (en) * 1999-04-21 2003-05-06 Ascent Media Group, Inc. Methods and apparatus for correction of 2-3 field patterns
US20040061530A1 (en) * 2002-08-12 2004-04-01 Satoru Tanigawa Clock conversion apparatus, clock conversion method, video display apparatus, and memory address setting method
US7301582B2 (en) * 2003-08-14 2007-11-27 Broadcom Corporation Line address computer for providing line addresses in multiple contexts for interlaced to progressive conversion
WO2006129280A2 (en) * 2005-06-03 2006-12-07 Nxp B.V. Video decoder with hybrid reference texture
US20080030615A1 (en) * 2005-06-29 2008-02-07 Maximino Vasquez Techniques to switch between video display modes
US8072443B2 (en) * 2005-06-29 2011-12-06 Intel Corporation Techniques to switch between video display modes
JP2008301014A (ja) 2007-05-30 2008-12-11 Fujifilm Corp 撮影装置および方法並びにプログラム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3719496A1 (de) 1987-06-11 1988-12-29 Bosch Gmbh Robert Speicheranordnung fuer ein digitales videobandgeraet
JP2698105B2 (ja) 1987-07-28 1998-01-19 三洋電機株式会社 ディジタルテレビジョン受像機
JP2559478B2 (ja) 1988-10-14 1996-12-04 株式会社日立製作所 ビデオメモリ回路
JP3020528B2 (ja) * 1989-12-14 2000-03-15 キヤノン株式会社 画像処理装置
US5170251A (en) * 1991-05-16 1992-12-08 Sony Corporation Of America Method and apparatus for storing high definition video data for interlace or progressive access
KR0159109B1 (ko) * 1991-09-19 1999-01-15 강진구 화상신호의 종횡비 및 주사선 수 변환장치
GB2260053B (en) * 1991-09-27 1995-03-08 Sony Broadcast & Communication Image signal processing
GB2264417B (en) * 1992-02-17 1995-12-06 Sony Broadcast & Communication Video standards conversion
JP3154190B2 (ja) * 1992-04-10 2001-04-09 ソニー株式会社 汎用走査周期変換装置
US5861894A (en) 1993-06-24 1999-01-19 Discovision Associates Buffer manager
JPH07236117A (ja) 1994-02-24 1995-09-05 Nec Corp 画像処理装置
US5610661A (en) 1995-05-19 1997-03-11 Thomson Multimedia S.A. Automatic image scanning format converter with seamless switching
JP3378710B2 (ja) 1995-10-16 2003-02-17 三洋電機株式会社 縮小画像の書き込み／読み出し方法及び縮小画像処理回路
JP3617573B2 (ja) * 1996-05-27 2005-02-09 三菱電機株式会社 フォーマット変換回路並びに該フォーマット変換回路を備えたテレビジョン受像機
GB9704027D0 (en) * 1997-02-26 1997-04-16 Discovision Ass Memory manager for mpeg decoder
US6177922B1 (en) * 1997-04-15 2001-01-23 Genesis Microship, Inc. Multi-scan video timing generator for format conversion
US5949441A (en) * 1997-08-01 1999-09-07 International Business Machines Corporation Multimedia terminal with an encoder for converting analog video data to compressed digitized video data
US6297848B1 (en) * 1998-11-25 2001-10-02 Sharp Laboratories Of America, Inc. Low-delay conversion of 3:2 pulldown video to progressive format with field averaging

Also Published As

Publication number Publication date
MXPA00006970A (es) 2003-12-12
EP1069768A3 (en) 2002-06-26
MY125108A (en) 2006-07-31
KR100671985B1 (ko) 2007-01-19
JP4515607B2 (ja) 2010-08-04
US6633344B1 (en) 2003-10-14
CN1281312A (zh) 2001-01-24
DE60013968D1 (de) 2004-10-28
EP1069768A2 (en) 2001-01-17
JP2001069422A (ja) 2001-03-16
KR20010015258A (ko) 2001-02-26
EP1069768B1 (en) 2004-09-22
DE60013968T2 (de) 2005-10-13

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20051109

Termination date: 20120714