KR100265238B1 - 다중각도 영상동시 재생장치 - Google Patents
다중각도 영상동시 재생장치 Download PDFInfo
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- KR100265238B1 KR100265238B1 KR1019970057032A KR19970057032A KR100265238B1 KR 100265238 B1 KR100265238 B1 KR 100265238B1 KR 1019970057032 A KR1019970057032 A KR 1019970057032A KR 19970057032 A KR19970057032 A KR 19970057032A KR 100265238 B1 KR100265238 B1 KR 100265238B1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/2624—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects for obtaining an image which is composed of whole input images, e.g. splitscreen
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
- G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
- G11B20/10231—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation wherein an asynchronous, free-running clock is used; Interpolation of sampled signals
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
- H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
- H04N11/162—Encoding means therefor
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- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/1075—Data buffering arrangements, e.g. recording or playback buffers the usage of the buffer being restricted to a specific kind of data
- G11B2020/10787—Data buffering arrangements, e.g. recording or playback buffers the usage of the buffer being restricted to a specific kind of data parameters, e.g. for decoding or encoding
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
- G11B2020/1225—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc frame, i.e. a subunit of a sector containing user data, e.g. a sync frame
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- 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
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
Claims (12)
- (정정) 다중각도(Multi-Angle)에서 촬상된 영상들이 다중화 기록되어 있는 신호로부터 각각의 각도에 대한 영상들을 분리하여 동시에 재생하기 위한 장치에 있어서, 상기 다중각도에서 촬상된 영상들을 입력받고, 그 시작 및 종료위치정보에 근거하여 다수의 각도데이터들을 각각의 연속된 각도데이터로 분리하는 각도데이터분리부; 상기 분리된 각각의 각도에 대한 영상데이터를 입력받아 복호하는 복호부; 상기 복호부에서 복호된 각각의 각도에 대한 영상들을 입력받아 프레임단위에 대해 동일한 재생시간을 갖도록 저장하고, 이를 신호처리하여 화면상에 동시에 출력하기 위한 영상출력부; 및 상기 복호부로부터 복호화된 다수의 영상들을 동시에 재생하기 위해 상기 복호부의 출력을 제어하고, 기설정된 각도로 출력되는 영상을 제어하는 제어부를 구비하는 다중각도영상 동시 재생장치.
- (정정) 상기 제1항에 있어서, 다중각도영상들이 다중화되어 기록되어 있는 디지털다기능디스크(DVD)로부터 단 하나의 각도데이터만을 재생할 때의 기준속도보다 고속으로 모든 각도데이터를 소정의 시간내에 연속으로 재생하는 고속재생부와, 상기 고속재생부로부터 연속적으로 재생된 데이터를 입력받아 원래의 데이터의 형태로 신호처리하여 상기 각도데이터분리부로 출력하는 채널데이터처리부를 더 구비함을 특징으로 하는 다중각도영상 동시 재생장치.
- 상기 제2항에 있어서, 상기 고속재생부의 재생속도는 동시 재생코자 하는 다중각도영상수를 단 하나의 각도데이터만을 재생할 때의 기준속도에 곱한 값으로 갖는 것을 특징으로 하는 다중각도영상 동시 재생장치.
- 제1항 또는 제2항에 있어서, 상기 복호부는 입력된 각각의 각도에 대한 영상들을 개별적으로 복호하는 복수의 디코더들로 구성됨을 특징으로 하는 다중각도영상 동시 재생장치.
- 제4항에 있어서, 상기 복수의 디코더들은 동기화를 위한 시스템시간을 인가하는 메인디코더와 이를 입력받아 종속적으로 동작하는 복수의 종속디코더들로 구성됨을 특징으로 하는 다중각도영상 동시 재생장치.
- 제1항 또는 제2항에 있어서, 상기 복호부는 상기 분리된 각각의 각도에 대한 영상들을 입력받아 복수의 영상데이터를 고속시분할처리로 복호하는 하나의 디코더를 구비함을 특징으로 하는 다중각도영상 동시 재생장치.
- 제6항에 있어서, 상기 디코더는 동기화를 위하여 단 하나의 각도영상으로부터 취한 프리젠테이션타임코드(Presentation Time Code)를 이용하여 GOP(Group Of Pictures)단위로 복호하는 것을 특징으로 하는 다중각도영상 동시 재생장치.
- 제1항 또는 제2항에 있어서, 상기 영상출력부는 각각의 각도에 대응하는 복수개의 영상을 각각 독립된 영상신호로 디스플레이하는 것을 특징으로 하는 다중각도영상 동시 재생장치.
- 제8항에 있어서, 상기 영상출력부는 상기 복호부에서 복호된 각각의 각도에 대한 영상들을 일시적으로 저장하기 위한 프리젠테이션버퍼와, 상기 프리젠테이션버퍼에 저장된 영상신호들을 입력받아 NTSC 또는 PAL 영상으로 변환하여 디스플레이장치로 출력하는 NTSC/PAL엔코더를 구비함을 특징으로 하는 다중각도영상 동시 재생장치.
- 제1항 또는 제2항에 있어서, 상기 영상출력부는 각각의 각도에 대응하는 복수-개의 영상을 하나의 합성된 영상으로 변환하여 디스플레이함을 특징으로 하는 다중각도영상 동시 재생장치.
- (정정) 제10항에 있어서, 상기 영상출력부는 상기 복호부에서 복호된 각각의 각도에 대한 영상들을 일시적으로 저장하기 위한 프리젠테이션버퍼; 상기 프리젠테이션버퍼에서 출력된 영상들을 입력받아 소정의 다운샘플링비에 해당하는 통과대역을 거쳐 출력하는 로우패스필터; 상기 로우패스필터에서 출력된 데이터를 소정의 클럭비율로 다운샘플링하여 출력하는 다운샘플러; 상기 다운샘플링된 영상신호를 입력받아 프레임단위로 동기시켜 출력하는 프레임버퍼; 및 상기 프레임버퍼에서 출력된 영상신호들을 입력받아 NTSC/PAL 영상으로 변환하여 디스플레이장치로 출력하는 NTSC/PAL엔코더를 구비함을 특징으로 하는 다중각도영상 동시재생장치.
- 제1항 또는 제2항에 있어서, 상기 복호부는 다중음성의 지원용도로 사용할 수 있음을 특징으로 하는 다중각도영상 동시재생장치.
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KR1019970057032A KR100265238B1 (ko) | 1997-10-31 | 1997-10-31 | 다중각도 영상동시 재생장치 |
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KR1019970057032A KR100265238B1 (ko) | 1997-10-31 | 1997-10-31 | 다중각도 영상동시 재생장치 |
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KR19990035263A KR19990035263A (ko) | 1999-05-15 |
KR100265238B1 true KR100265238B1 (ko) | 2000-09-15 |
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JP2001184842A (ja) * | 1999-12-28 | 2001-07-06 | Hitachi Ltd | 情報再生装置 |
KR20030060429A (ko) * | 2002-01-09 | 2003-07-16 | 엘지전자 주식회사 | 영상다중방송 수신장치 및 표시방법 |
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