WO2004081923A1 - 情報記録装置および媒体情報通知方法 - Google Patents
情報記録装置および媒体情報通知方法 Download PDFInfo
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- WO2004081923A1 WO2004081923A1 PCT/JP2004/000603 JP2004000603W WO2004081923A1 WO 2004081923 A1 WO2004081923 A1 WO 2004081923A1 JP 2004000603 W JP2004000603 W JP 2004000603W WO 2004081923 A1 WO2004081923 A1 WO 2004081923A1
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- Prior art keywords
- dvd
- information
- data
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- recording medium
- Prior art date
Links
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Classifications
-
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- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
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- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
- G11B19/122—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of an identification or authentication mark
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- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
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- G11B20/10—Digital recording or reproducing
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- 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
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- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
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- G11B27/34—Indicating arrangements
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- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
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- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
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- G11B2220/20—Disc-shaped record carriers
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- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2541—Blu-ray discs; Blue laser DVR discs
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- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
Definitions
- DVD-ROM a read-only optical disk
- DVD-ROM player a write-once optical recording medium such as DVD-R (DVD-Recordable) or a rewritable optical recording medium
- a medium such as DVD-RW (DVD Rewritable) is provided.
- the recording format used for recording image data and the like on the above-mentioned DVD-R and DVD-RW includes a DVD video format (DVD Video Format).
- DVD video recording format As a recording format that can be used for recording a DVD.
- a red laser having a wavelength of 635 nm (nanometer) or 65 nm (nanometer) is generally used.
- a blue laser with a short wavelength of, for example, 405 nm may be used, and a blue laser with a wavelength of about 405 nm will be used to record data.
- the recording surface density is about four times that of a DVD for a red laser in which data is recorded using a current red laser, that is, the recording capacity is about four times.
- the DVD to be used depends on whether the DVD to be used is a red laser DVD or a blue laser DVD. It is desirable that the laser beam used for recording can be automatically selected.
- FIG. 7A and 7B are diagrams for explaining a DVD having a burst cutting area.
- FIG. 13 is used in step S 30 of the process shown in FIG.
- FIG. 4 is a diagram for explaining a disk type determination table.
- the information processing unit 1 having a function as a host device unit will be described.
- the information processing section 1 includes a camera section 11, a color LCD (Liquid Crystal Display) 12, a video / audio interface section (hereinafter referred to as a video / audio IZF section) 13, and Compression / expansion signal processing section 14, data control section 15, drive control section 16, external device interface section (hereinafter referred to as external device I / F) 17, system control section 18, program memory 19 And a user interface unit (hereinafter, referred to as a user IZF unit) 20.
- the user I / F 20 has multiple function keys and button switches. It is composed of a key, a slide key, etc., and can receive various instruction inputs from a user such as shooting start and shooting end, playback start and playback end, and notify the system control unit 18 of this. .
- the system control unit 18 controls each unit according to an instruction input from the user, thereby performing a process according to the user's instruction.
- the camera unit 11 and the color LCD 12 are connected to the video / audio I / F unit 13. Has been.
- the video Z audio I / F section 13 accepts an analog video signal from the camera section 11 and an analog audio signal from the microphone microphone, and processes these digital signals in a format that can be processed by itself. Then, the converted video data and audio data are supplied to the compression / expansion signal processing unit 14 at the subsequent stage.
- the video / audio I / F unit 13 has a function of capturing video and audio from the camera unit 11 and the like into its own device.
- the video / audio IF unit 13 converts the decompressed video data and audio data from the compression / decompression signal processing unit 14 into analog signals, and converts the analog video signals into color LCDs 12 And an analog audio signal to the speaker.
- the video / audio I / F unit 13 has a function of outputting video and audio from its own device.
- the optical head unit 27 irradiates the DVD 30 with a laser beam for reading, receives the reflected light, converts it into an electric signal, and converts it into an electric signal.
- the writing / reading unit 26 performs demodulation processing, CRC error correction code decoding processing and error correction on the electric signal from the optical head unit 27, and the like.
- the demodulated data is supplied to the host IZF section 22 through the memory control section 24.
- the demodulated data is supplied to the information processing unit 1 through the host IZF unit 22.
- DVDs that can be used by being loaded into the DVD drive 2 of the DVD digital video camera of this embodiment include DVD-ROM, DVD-R, There are D VD—RW, each of which has a conventional type in which data is written using a red laser beam, and a DVD—in which data is written using a blue laser beam—B 1 ue.
- the information shall be recorded on the reflective layer of the disk.
- DVDs in which disc identification information is recorded using burst cutting and it is also possible to use this.
- the DVD_ROM for red laser or the DVD for blue laser is determined based on the type identification code of the innermost read area 101.
- _ ROM can be identified, and depending on the level of the reflected light from the management data area 102, it can be identified whether it is a DVD-ROM or any other disk. .
- DVD—R200 was recorded. Open information and the like read when starting reproduction of the recorded information are recorded in the information recording process.
- file system information area 205 information indicating the file structure of the record information is recorded.
- FIGS. 5A and 5B are diagrams for explaining a case in which image data, audio data, and the like are recorded in DVD-R in the DVD video format.
- FIG. 5A shows a state before the finalizing process
- FIG. 5B shows a state after the finalizing process.
- the lead-in area 204 As shown in Fig. 6, the initial zone 301, system reserved area 302, RW—physical format information area 303, reference zone and buffer zone 304, and emboss bit are recorded. It has a troll data area 305.
- control data area physical format information such as the DVD standard type (book type) and the number of layers of the disc, as well as various kinds of information related to the manufacture of the medium, are also embossed.
- Figures 7A and 7B show a DVD 40 with burst cutting area. It is a figure for explaining 0.
- the DVD 400 having a burst force cutting area has a burst cutting area 401 provided at the innermost periphery of the disc. Outside the burst cutting area 401, as shown in FIG. 7A, a lead-in area (playback-only area 402, recording / playback area 403), a user data area 404, and a read-out area 405 Will be provided.
- the DVD digital video camera of this embodiment is provided with a color LCD12.
- Color LCD 12 has three primary color filters of red (R), green (G), and blue (B), and three primary color emitters of red (R), green (G), and blue (B). Things. Therefore, the long wavelength range (600 nm to 78 O nm, red light such as orange and red), the middle wavelength range (500 nm to 60 O nm, green light such as green and yellow), short wavelength Range (wavelength: 380 nm to 50 O nm, blue light such as blue-violet, indigo, and blue).
- the DVD to be used is for a blue laser.
- the display color of the recorded capacity display and the free space display is blue instead of red.
- the recorded capacity indication G 1 1B in the capacity indication G 1 in the form of a pie chart has a dark blue color.
- the free space indicator G 1 2 B is displayed in pale blue.
- the recordable time display G3 is also displayed.
- the capacity display in the form of a pie chart G1 when the DVD to be used is a DVD-R for a blue laser and has not been finalized, the capacity display in the form of a pie chart G1, the recordable time display G3 In addition, the unfinalized display G 4 is displayed.
- the performance indicator which consists of the played capacity display and the remaining performance capacity, is displayed in blue as the capacity display G 1.
- Recordable time display G 3 is displayed as the remaining playing time display.
- the capacity display may be displayed in a bar graph format. That is, as shown in FIG. 10A, a medium information notification area GG is provided in the lower right part of the display screen of the color LCD 12, and the capacity display GG 1 and the recordable time display GG 2 are displayed here.
- the finalized display GG3 is displayed as shown in FIG. 10B. If the DVD to be used is a DVD-R and the finalization processing has not been performed, the unfinalized display GG4 is displayed as shown in FIG. 10C.
- the position of the medium information display area is not limited to the one described above, and may be provided at an appropriate position on the display screen of the color LCD 12.
- the display such as the capacity display Gl, GG1, the recordable time display G3, GG2 is displayed or not displayed by the user. That is, the user can display the capacity display G1, GG1, the recordable time display G3, GG2, and the like as necessary.
- the information processing unit 1 and the DVD drive 2 use the AT API interface that implements the Mt. Fuji multimedia command set. It is connected. Therefore, when the DVD is loaded, the drive control unit 16 of the information processing unit 1 issues a command of Test Unit Ready (0 Oh), and then drives by the Request Sense. Check that the media has been checked and that the spindle motor has started rotating.
- step S9 the remaining figure is displayed as a figure display of the remaining amount of the whole (step S9).
- the DVD-Video format is used as the recording format, and finally the DVD-ROM drive is used to establish DVD-ROM backward compatibility. It is assumed that finalization processing is performed.
- step S3 based on the information recorded on the loaded disc, the type of recording format is also determined. Identify whether data is to be recorded in VD video format or whether it is to be recorded in DVD video recording format.
- the DVD-RW is a blue laser DVD-RW.
- the recording format is determined to be the DVD video recording format.
- step S14 information as to whether or not the finalizing process has been performed is also obtained, and in step S15, The information on the disc may be displayed in the manner shown in FIGS. 9B and 9C and FIGS. 10B and 10C, and the finalized display or the unfinalized display may be performed. it can.
- the process of notifying information about a disc shown in FIG. 11 is performed not only when a disc is loaded, but also when the DVD digital video camera is powered on, for example. Already loaded It may be performed automatically when it is performed. Of course, it may be performed automatically at any other appropriate timing.
- step S22 If it is determined in the determination processing of step S22 that the loaded DVD is a DVD for red laser, the determination result is stored in the determination result storage area (determination result 2) of step S22. Data indicating "true” is stored (step S26). If it is determined in step S22 that the loaded DVD is not a red laser DVD, the determination result is stored in the area for storing the determination result in step S22 (determination result 2). Is stored as data indicating that is false (step S27).
- the wavelength is 500 ⁇ ⁇ !
- the disk type and the free space may be notified by color display of wavelengths up to 600 nm.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04704766A EP1603121A4 (en) | 2003-03-10 | 2004-01-23 | INFORMATION RECORDING DEVICE AND MEDIUM INFORMATION PUBLICATION PROCEDURE |
US10/547,778 US20060198249A1 (en) | 2003-03-10 | 2004-01-23 | Information recording device and medium information notification method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-063340 | 2003-03-10 | ||
JP2003063340A JP2004273038A (ja) | 2003-03-10 | 2003-03-10 | 情報記録装置および媒体情報通知方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004081923A1 true WO2004081923A1 (ja) | 2004-09-23 |
Family
ID=32984428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/000603 WO2004081923A1 (ja) | 2003-03-10 | 2004-01-23 | 情報記録装置および媒体情報通知方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060198249A1 (ja) |
EP (1) | EP1603121A4 (ja) |
JP (1) | JP2004273038A (ja) |
KR (1) | KR20050111761A (ja) |
CN (1) | CN1759440A (ja) |
TW (1) | TWI270062B (ja) |
WO (1) | WO2004081923A1 (ja) |
Cited By (2)
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GB2408627A (en) * | 2003-11-25 | 2005-06-01 | Dell Products Lp | Optical medium recognition |
WO2006061984A1 (ja) | 2004-12-09 | 2006-06-15 | Sony Corporation | 画像記録装置および画像記録制御方法 |
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JP2007172681A (ja) * | 2005-12-19 | 2007-07-05 | Toshiba Corp | 情報再生装置と情報再生方法 |
JP4144634B2 (ja) * | 2006-06-23 | 2008-09-03 | ソニー株式会社 | 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム |
JP4957149B2 (ja) * | 2006-09-27 | 2012-06-20 | ソニー株式会社 | 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
JP2008099027A (ja) * | 2006-10-12 | 2008-04-24 | Canon Inc | 信号処理装置、撮像装置、及び信号処理方法 |
US8218412B2 (en) * | 2007-11-05 | 2012-07-10 | Mediatek Inc. | Method and system for determining disc format for recovery of data recording |
JP2008257856A (ja) * | 2008-06-02 | 2008-10-23 | Sony Corp | 情報記録装置、および情報記録方法、並びにコンピュータ・プログラム |
US8320738B2 (en) * | 2008-07-17 | 2012-11-27 | Indata Corporation | Video management system and method |
US8923106B2 (en) * | 2013-03-01 | 2014-12-30 | Microsoft Corporation | Media detection during disc insertion |
KR20180037852A (ko) * | 2016-10-05 | 2018-04-13 | 삼성전자주식회사 | 영상 처리 장치 및 그 제어방법 |
CN113419251B (zh) * | 2021-05-17 | 2023-07-18 | 重庆大学 | 基于激光反射的姿态识别、编解码及通信方法 |
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JPH04229455A (ja) * | 1990-12-27 | 1992-08-18 | Sony Corp | 光ディスク再生装置 |
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- 2004-01-23 KR KR1020057016896A patent/KR20050111761A/ko not_active Application Discontinuation
- 2004-01-23 WO PCT/JP2004/000603 patent/WO2004081923A1/ja active Application Filing
- 2004-01-23 US US10/547,778 patent/US20060198249A1/en not_active Abandoned
- 2004-01-23 CN CNA2004800065689A patent/CN1759440A/zh active Pending
- 2004-02-19 TW TW093104114A patent/TWI270062B/zh not_active IP Right Cessation
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Cited By (8)
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GB2408627A (en) * | 2003-11-25 | 2005-06-01 | Dell Products Lp | Optical medium recognition |
GB2408627B (en) * | 2003-11-25 | 2006-02-08 | Dell Products Lp | Optical medium recognition system and method |
US8264929B2 (en) | 2003-11-25 | 2012-09-11 | Dell Products L.P. | Optical medium recognition system and method with an optical drive having plural lasers |
DE102004056766B4 (de) * | 2003-11-25 | 2014-07-31 | Dell Products L.P. | Informationsverarbeitendes System für ein optisches Medium und Verfahren zum Identifizieren eines optischen Mediums |
DE102004064107B4 (de) | 2003-11-25 | 2019-05-09 | Dell Products L.P. | Optisches laufwerk für ein optisches medium und verfahren |
WO2006061984A1 (ja) | 2004-12-09 | 2006-06-15 | Sony Corporation | 画像記録装置および画像記録制御方法 |
EP1821304A1 (en) * | 2004-12-09 | 2007-08-22 | Sony Corporation | Image recording device, and image recording control method |
EP1821304A4 (en) * | 2004-12-09 | 2011-05-25 | Sony Corp | PICTURE RECORDING DEVICE AND PICTURE REGISTER CONTROL PROCEDURE |
Also Published As
Publication number | Publication date |
---|---|
US20060198249A1 (en) | 2006-09-07 |
EP1603121A1 (en) | 2005-12-07 |
TW200426798A (en) | 2004-12-01 |
CN1759440A (zh) | 2006-04-12 |
TWI270062B (en) | 2007-01-01 |
EP1603121A4 (en) | 2008-10-29 |
JP2004273038A (ja) | 2004-09-30 |
KR20050111761A (ko) | 2005-11-28 |
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