JP4869147B2 - 画像記録再生装置 - Google Patents
画像記録再生装置 Download PDFInfo
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- JP4869147B2 JP4869147B2 JP2007125454A JP2007125454A JP4869147B2 JP 4869147 B2 JP4869147 B2 JP 4869147B2 JP 2007125454 A JP2007125454 A JP 2007125454A JP 2007125454 A JP2007125454 A JP 2007125454A JP 4869147 B2 JP4869147 B2 JP 4869147B2
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- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 238000013139 quantization Methods 0.000 description 5
- 238000007906 compression Methods 0.000 description 4
- 230000002123 temporal effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001454 recorded image Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
-
- 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
- H04N21/42646—Internal components of the client ; Characteristics thereof for reading from or writing on a non-volatile solid state storage medium, e.g. DVD, CD-ROM
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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
- H04N21/440254—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 signal-to-noise parameters, e.g. requantization
-
- 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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/466—Learning process for intelligent management, e.g. learning user preferences for recommending movies
- H04N21/4667—Processing of monitored end-user data, e.g. trend analysis based on the log file of viewer selections
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Signal Processing For Recording (AREA)
Description
12 操作装置
14 システム制御装置
16 記録媒体
18 復号化装置
20 表示装置
22 動画像符号化装置
24 符号化レート決定装置
26 記録媒体
28 視聴操作履歴記憶装置
30 入力バッファ
32 可変長復号化装置
34 逆量子化器
36 逆離散コサイン変換装置
38 加算器
40 フレームメモリ
42 動き補償装置
50 入力バッファ
52 減算器
54 離散コサイン変換装置
56 量子化器
58 可変長符号化装置
60 出力バッファ
62 符号量制御装置
64 逆量子化器
66 逆離散コサイン変換装置
68 加算器
70 フレームメモリ
72 動き検出装置
74 動き補償装置
Claims (3)
- 符号化動画像を記録する記録媒体から符号化動画データを読み出す読み出し手段と、
前記符号化動画データを復号化する復号化手段と、
前記符号化動画データに係る動画像の複数の期間を参照し、当該参照された期間のシーンを任意の順序で再生するためのプレイリストを記憶するプレイリスト記憶手段と、
前記復号化手段によって復号化された動画像を再符号化する符号化手段と、
前記符号化手段による再符号化時の符号化レートを決定する符号化レート決定手段
とを具備する画像記録再生装置であって、
前記符号化レート決定手段は、前記プレイリスト記憶手段に記憶された前記プレイリストに従って、前記プレイリストによって参照された期間に対しては、前記再符号化時の符号化レートを前記プレイリストによって参照されていない期間よりも高くするように決定し、
前記符号化手段は、前記符号化レート決定手段で決定された符号化レートに従って動作する、可変符号化レート(VBR)符号化方式による符号量制御手段を備える
ことを特徴とする画像記録再生装置。 - 前記符号化レート決定手段は、前記プレイリストによって参照された期間について、前記プレイリストによる参照回数が多いほど、前記再符号化時の符号化レートを高くすることを特徴とする請求項1に記載の画像記録再生装置。
- 前記符号化レート決定手段は、前記符号化手段で再符号化する動画像に対応する符号化動画データについてのプレイリストが前記プレイリスト記憶手段に記憶されていない場合には、予め決められた基準符号化レートを前記符号量制御手段に適用することを特徴とする請求項1又は2に記載の画像記録再生装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007125454A JP4869147B2 (ja) | 2007-05-10 | 2007-05-10 | 画像記録再生装置 |
US12/116,129 US8355432B2 (en) | 2007-05-10 | 2008-05-06 | Image-processing apparatus and method |
US13/717,496 US8948244B2 (en) | 2007-05-10 | 2012-12-17 | Image-processing apparatus and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007125454A JP4869147B2 (ja) | 2007-05-10 | 2007-05-10 | 画像記録再生装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008283432A JP2008283432A (ja) | 2008-11-20 |
JP2008283432A5 JP2008283432A5 (ja) | 2010-06-17 |
JP4869147B2 true JP4869147B2 (ja) | 2012-02-08 |
Family
ID=39969499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007125454A Expired - Fee Related JP4869147B2 (ja) | 2007-05-10 | 2007-05-10 | 画像記録再生装置 |
Country Status (2)
Country | Link |
---|---|
US (2) | US8355432B2 (ja) |
JP (1) | JP4869147B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011217197A (ja) * | 2010-03-31 | 2011-10-27 | Sony Corp | 電子機器、再生制御システム、再生制御方法及びプログラム |
US8630501B1 (en) | 2011-01-28 | 2014-01-14 | Dr Systems, Inc. | Dual technique compression |
JP2012165181A (ja) * | 2011-02-07 | 2012-08-30 | Sony Corp | 映像再生装置と映像再生方法およびプログラム |
US9164979B1 (en) * | 2012-11-14 | 2015-10-20 | Amazon Technologies, Inc. | Implicit ratings |
US10609405B2 (en) | 2013-03-18 | 2020-03-31 | Ecole De Technologie Superieure | Optimal signal encoding based on experimental data |
US9338450B2 (en) | 2013-03-18 | 2016-05-10 | Ecole De Technologie Superieure | Method and apparatus for signal encoding producing encoded signals of high fidelity at minimal sizes |
US9661331B2 (en) * | 2013-03-18 | 2017-05-23 | Vantrix Corporation | Method and apparatus for signal encoding realizing optimal fidelity |
US9438652B2 (en) | 2013-04-15 | 2016-09-06 | Opentv, Inc. | Tiered content streaming |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE237181T1 (de) * | 1990-01-19 | 2003-04-15 | Sony Corp | Daten-aufzeichnungsgerät und daten- wiedergabegerät |
JP3322998B2 (ja) * | 1994-04-12 | 2002-09-09 | 三菱電機株式会社 | ディジタルvtr |
US6965724B1 (en) * | 1995-03-30 | 2005-11-15 | Thomson Licensing S.A. | Trick-play modes for pre-encoded video |
US6654539B1 (en) * | 1998-10-26 | 2003-11-25 | Sony Corporation | Trick playback of digital video data |
US7333711B2 (en) * | 2000-06-14 | 2008-02-19 | Sony Corporation | Data distribution apparatus and method, and data distribution system |
JP3592210B2 (ja) * | 2000-07-17 | 2004-11-24 | シャープ株式会社 | 記録装置および記録方法 |
JP4408537B2 (ja) * | 2000-07-21 | 2010-02-03 | シャープ株式会社 | 情報圧縮記録装置 |
JP3738353B2 (ja) * | 2001-04-20 | 2006-01-25 | カシオ計算機株式会社 | 動画再生装置及び動画再生プログラム |
JP2003087785A (ja) * | 2001-06-29 | 2003-03-20 | Toshiba Corp | 動画像符号化データの形式変換方法及び装置 |
AU2003264414A1 (en) * | 2002-09-12 | 2004-04-30 | Matsushita Electric Industrial Co., Ltd. | Recording medium, reproduction device, program, reproduction method, and recording method |
US20050187960A1 (en) * | 2002-10-30 | 2005-08-25 | Fujitsu Limited | Stream server |
US20050055710A1 (en) * | 2002-11-22 | 2005-03-10 | Kabushiki Kaisha Toshiba | Motion picture storage apparatus and motion picture distributing system |
JP3903912B2 (ja) * | 2002-12-02 | 2007-04-11 | 株式会社日立製作所 | 記録装置および記録方法 |
JPWO2005013274A1 (ja) * | 2003-07-30 | 2006-09-28 | 松下電器産業株式会社 | データ処理装置 |
US7433815B2 (en) * | 2003-09-10 | 2008-10-07 | Dilithium Networks Pty Ltd. | Method and apparatus for voice transcoding between variable rate coders |
JP2005117541A (ja) * | 2003-10-10 | 2005-04-28 | Sony Corp | 編集装置、編集方法 |
JP4081099B2 (ja) * | 2004-03-25 | 2008-04-23 | 松下電器産業株式会社 | 番組選択装置、番組録画装置およびその方法 |
US7397855B2 (en) * | 2004-04-14 | 2008-07-08 | Corel Tw Corp. | Rate controlling method and apparatus for use in a transcoder |
JP2005317139A (ja) * | 2004-04-28 | 2005-11-10 | Fujitsu Ten Ltd | 記録再生装置 |
US7460178B2 (en) * | 2004-05-14 | 2008-12-02 | Sony Corporation | Image processing apparatus and image processing method |
US20060109900A1 (en) * | 2004-11-23 | 2006-05-25 | Bo Shen | Image data transcoding |
JP4353124B2 (ja) * | 2005-04-05 | 2009-10-28 | 株式会社日立製作所 | 記録装置 |
JP2006311079A (ja) * | 2005-04-27 | 2006-11-09 | Victor Co Of Japan Ltd | 画像ビットストリーム変換装置 |
JP4682759B2 (ja) * | 2005-09-08 | 2011-05-11 | ソニー株式会社 | 再生装置、再生方法および再生プログラム |
-
2007
- 2007-05-10 JP JP2007125454A patent/JP4869147B2/ja not_active Expired - Fee Related
-
2008
- 2008-05-06 US US12/116,129 patent/US8355432B2/en not_active Expired - Fee Related
-
2012
- 2012-12-17 US US13/717,496 patent/US8948244B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2008283432A (ja) | 2008-11-20 |
US20130107939A1 (en) | 2013-05-02 |
US20080279286A1 (en) | 2008-11-13 |
US8948244B2 (en) | 2015-02-03 |
US8355432B2 (en) | 2013-01-15 |
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