KR101019482B1 - 디지털 tv의 채널 전환 장치 및 방법 - Google Patents
디지털 tv의 채널 전환 장치 및 방법 Download PDFInfo
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- KR101019482B1 KR101019482B1 KR1020040074474A KR20040074474A KR101019482B1 KR 101019482 B1 KR101019482 B1 KR 101019482B1 KR 1020040074474 A KR1020040074474 A KR 1020040074474A KR 20040074474 A KR20040074474 A KR 20040074474A KR 101019482 B1 KR101019482 B1 KR 101019482B1
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002194 synthesizing effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 208000003464 asthenopia Diseases 0.000 abstract description 2
- 238000005562 fading Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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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
- H04N21/426—Internal components of the client ; Characteristics thereof
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- 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
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
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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
- H04N21/44016—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 splicing one content stream with another content stream, e.g. for substituting a video clip
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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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
Description
Claims (7)
- 현재 시청중인 채널의 영상 데이터를 스케일링한 주영상을 출력하는 주영상 처리부;채널 전환시 선택 채널의 영상 데이터를 스케일링한 부영상을 출력하는 부영상 처리부;상기 스케일링된 주영상 및 부영상을 저장하는 프레임 메모리; 및상기 프레임 메모리의 입력 포인터 및 출력 포인터를 제어하고 상기 주영상 및 상기 부영상의 출력 위치 및 출력 크기 중 적어도 어느 하나를 조절하여 한 화면에 상기 주영상이 상기 부영상으로 슬라이딩 또는 페이드 인/아웃 형태로 전환되도록 하는 제어부를 포함하는, 디지털 TV의 채널 전환 장치.
- 제 1 항에 있어서,상기 주영상 처리부 및 부영상 처리부는,상기 프레임 메모리에 저장된 각각의 해당 영상 데이터를 상기 입력 포인터 및 출력 포인터를 통해 판독하여 화면에 출력하는 것을 특징으로 하는, 디지털 TV의 채널 전환 장치.
- 제 1 항에 있어서,상기 스케일링된 주영상 및 부영상을 하나의 화면에 출력하는 윈도우 합성부를 더 포함하는, 디지털 TV의 채널 전환 장치.
- 제 1 항에 있어서,상기 프레임 메모리는,상기 주영상을 정지 화상으로, 상기 부영상을 동영상으로 하나의 화면에 출력하도록 복수의 동영상 프레임 영역과, 하나의 정지 영상 프레임 영역으로 구성되는, 디지털 TV의 채널 전환 장치.
- 제 1 항에 있어서,상기 프레임 메모리는,상기 주영상 및 부영상을 동영상으로 하나의 화면에 출력하도록 복수의 주영상용 프레임 영역 및 복수의 부영상용 프레임 영역으로 구성되는, 디지털 TV의 채널 전환 장치.
- 제 1 항에 있어서,상기 제어부는,상기 주영상 및 부영상의 슬라이딩 또는 페이드 인/아웃 형태의 화면 전환에 따라서 증가 또는 감소하는 영상의 크기에 해당하는 영상의 입력 위치를 상기 주영상 처리부 및 부영상 처리부에 실시간으로 입력하는 것을 특징으로 하는, 디지털 TV의 채널 전환 장치.
- 현재 시청중인 채널의 영상 데이터를 스케일링한 주영상을 출력하는 단계;채널 전환시 선택 채널의 영상 데이터를 스케일링한 부영상을 출력하는 단계;상기 스케일링된 주영상 및 부영상을 프레임 메모리에 저장하는 단계; 및상기 프레임 메모리의 입력 포인터 및 출력 포인터를 제어하고 상기 주영상 및 상기 부영상의 출력 위치 및 출력 크기 중 적어도 어느 하나를 조절하여 한 화면에 상기 주영상이 상기 부영상으로 슬라이딩 또는 페이드 인/아웃 형태로 전환하는 단계를 포함하는, 디지털 TV의 채널 전환 방법.
Priority Applications (2)
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KR1020040074474A KR101019482B1 (ko) | 2004-09-17 | 2004-09-17 | 디지털 tv의 채널 전환 장치 및 방법 |
US11/228,590 US20060061688A1 (en) | 2004-09-17 | 2005-09-15 | Apparatus and method for switching channel of digital television |
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KR1020040074474A KR101019482B1 (ko) | 2004-09-17 | 2004-09-17 | 디지털 tv의 채널 전환 장치 및 방법 |
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KR20060025703A KR20060025703A (ko) | 2006-03-22 |
KR101019482B1 true KR101019482B1 (ko) | 2011-03-07 |
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KR1020040074474A KR101019482B1 (ko) | 2004-09-17 | 2004-09-17 | 디지털 tv의 채널 전환 장치 및 방법 |
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US (1) | US20060061688A1 (ko) |
KR (1) | KR101019482B1 (ko) |
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2004
- 2004-09-17 KR KR1020040074474A patent/KR101019482B1/ko active IP Right Grant
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KR20060025703A (ko) | 2006-03-22 |
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