KR970057166A - OSD implementation device and its implementation method in digital DBS receiver - Google Patents

OSD implementation device and its implementation method in digital DBS receiver Download PDF

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KR970057166A
KR970057166A KR1019950050559A KR19950050559A KR970057166A KR 970057166 A KR970057166 A KR 970057166A KR 1019950050559 A KR1019950050559 A KR 1019950050559A KR 19950050559 A KR19950050559 A KR 19950050559A KR 970057166 A KR970057166 A KR 970057166A
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signal
osd
text image
image signal
storage means
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KR1019950050559A
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Korean (ko)
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KR100195714B1 (en
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류충일
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배순훈
대우전자 주식회사
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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
    • H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/14—Aspects of broadcast communication characterised by the type of broadcast system direct broadcast satellite [DBS]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

본 발명은, 디코딩수단으로부터 출력되는 문자영상신호를 저장수단에 저장한 후 버퍼출력신호 선택수단에 의해 저장수단에 저장된 문자영상신호에 대해 반투명배경 미치 불투명배경을 선택적으로 갖춘 문자영상을 영상출력부로 출력할 수 있도록 도니 디지탈 DBS수신기에 있어서 OSD구현장치 및 그 구현방법에 관한 것으로, MPEG2 시스템디먹스(16)를 통해 DBS수신기(8)로부터의 수신영상신호에 대한 VES신호를 디코딩함과 더불어 저장수단(24)으로 문자영상신호를 출력하는 비디오 디코딩수단(18)과, 이 비디오 디코딩수단(18)으로부터의 문자영상신호를 저장되는 저장수단(24), 명령인가부(30)로부터의 선택신호에 의해 상기 저장수단(24)에 저장된 문자영상신호를 OSD부(17)로 출력하는 버퍼출력신호 선택수단(28) 및, 상기 비디오 디코딩수단(18)을 통해 저장수단(24)으로부터의 문자영상신호가 입력되는 OSD부(17)를 구비하여 구성된 것을 특징으로 한다.According to an embodiment of the present invention, a text image signal output from the decoding means is stored in a storage means, and then a text image having a translucent background non-transparent background is selectively provided to the image output part by the buffer output signal selecting means. The present invention relates to an OSD implementation and a method of implementing the same in a digital digital DBS receiver, and to decode and store a VES signal for a received video signal from the DBS receiver (8) through an MPEG2 system demux (16). A video decoding means 18 for outputting a text image signal to the means 24, a storage means 24 for storing the text image signal from the video decoding means 18, and a selection signal from the command application section 30; A buffer output signal selection means 28 for outputting the text image signal stored in the storage means 24 to the OSD unit 17 by means of the video output means 18 and the buffer output signal selection means 28. And an OSD unit 17 for inputting the character image signal from 24.

Description

디지탈 DBS수신기에 있어서 OSD구현장치 및 그 구현방법.OSD Implementation Apparatus and its Implementation Method in Digital DBS Receiver.

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 디지탈 DBS수신기에 있어서 OSD구현장치의 블록도.1 is a block diagram of an OSD implementation in a digital DBS receiver according to the present invention.

제4도의 (가)는 본 발명에 따른 디지탈 DBS수신기에 있어서 반투명배경의 문자영상신호의 출력상태를 나타낸 도면.4A is a diagram showing an output state of a text image signal having a translucent background in a digital DBS receiver according to the present invention.

제4도의 (나)는 본 발명에 따른 디지탈 DBS수신기에 있어서 불투명배경의 문자영상신호의 출력상태를 나타낸 도면.Figure 4 (b) is a view showing the output state of the text image signal of the opaque background in the digital DBS receiver according to the present invention.

제5도는 본 발명에 따른 디지탈 DBS수신기에 있어서 OSD구현장치 및 그 구현방법의 동작흐름을 도시한 흐름도이다.5 is a flowchart illustrating an operation flow of an OSD implementing apparatus and its implementation method in a digital DBS receiver according to the present invention.

Claims (9)

MPEG2 시스템디먹스(16)를 통해 DBS수신기(8)로부터의 수신영상신호에 대한 VES신호를 디코딩함과 더불어 저장수단(24)으로 문자영상신호를 출력하는 비디오 디코딩수단(18)과, 이 비디오 디코딩수단(18)으로부터의 문자영상신호를 저장도는 저장수단(24), 명령인가부(30)로부터의 선택신호에 의해 상기 저장수단(24)에 저장된 문자영상신호를 OSD부(17)로 출력하는 버퍼출력신호 선택수단(28) 및, 상기 비디오 디코딩수단(18)을 통해 저장수단(24)으로부터의 문자영상신호가 입력되는 OSD부(17)를 구비하여 구성된 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.A video decoding means (18) for decoding a VES signal for the received video signal from the DBS receiver (8) through the MPEG2 system demux (16) and outputting a text image signal to the storage means (24); The text image signal stored in the storage means 24 is stored to the OSD unit 17 by the storage means 24 for storing the text image signal from the decoding means 18 and the selection signal from the command application unit 30. A digital DBS receiver comprising a buffer output signal selecting means 28 for outputting and an OSD unit 17 for inputting a text image signal from the storage means 24 through the video decoding means 18. In the OSD implementation. 제1항에 있어서, 상기 문자영상신호는 64비트로 구성된 필드로 이루어지면서 위치영역과 파레트영역 및 이미지영역으로 구성되는 것을 특징으로 하는 디지털 DBS수신기에 잇어서 OSD구현장치.The apparatus of claim 1, wherein the text image signal comprises a 64-bit field and comprises a position area, a pallet area, and an image area. 제2항에 있어서, 상기 위치영역은 1필드로 구성되면서 문자영상신호에 대한 화면상 출력위치 및 크기의 정보와, 반투명배경의 문자영상신호와 배경 동영상신호간의 믹싱비율에 대한 정보를 갖춘 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.The method of claim 2, wherein the location area is composed of one field and has information on the screen output position and size of the text image signal, and information on the mixing ratio between the text image signal of the translucent background and the background video signal. OSD implementation in a digital DBS receiver. 제3항에 있어서, 상기 위치영역은 상기 반투명배경의 문자영상신호와 배경 동영상신호간의 믹싱비율에 대한 정보를 4비트로 나타내는 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.The apparatus of claim 3, wherein the location area represents information about a mixing ratio between the translucent background text image signal and the background video signal in 4 bits. 제2항에 있어서, 상기 파레트영역은 16컬러에 대해 16개의 파레트로 구성되면서 각 파레트는 해당 컬러와 배경과의 믹싱 여부를 결정하는 믹스비트를 갖춘 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.The apparatus of claim 2, wherein the pallet area is composed of 16 pallets for 16 colors, and each pallet has a mix bit for determining whether to mix the color with the background. . 제1항에 있어서, 상기 버퍼출력신호 선택수단(28)은 문자부분의 가독율을 증대시키기 위해 파레트의 문자컬러에 대한 믹스비트를 디스에이블시킴과 더불어 배경에 해당하는 OSD영역의 컬러에 대한 믹스비트를 이네이블시키는 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.The method of claim 1, wherein the buffer output signal selection means 28 disables the mix bits for the character colors of the palette to increase the readability of the character portion, and mixes the colors of the OSD region corresponding to the background. An OSD implementation in a digital DBS receiver characterized in that the bit is enabled. MPEG2 시스템디먹스(16)를 통해 DBS수신기(8)로부터의 수신영상신호에 대한 VES신호를 디코딩하고, 저장수단(24)으로 문자영상신호를 출력하는 단계와; 비디오 디코딩수단(18)으로부터의 문자영상신호가 저장수단에 저장되는 단계; 명령인가부(30)로부터의 OSD모드가 1로 입력되면 마이크로 프로세서(28)가 16개 파레트의 믹스비트를 디스에이블시키고, OSD모드가 0으로 입력되면 15개 파레트의 믹스비트는 이네이블시키면서 백색 파레트의 믹스비트가 이네이블되지 않도록 하는 단계 및; 상기 비디오 디코딩수단(18)을 통해 저장수단(24)으로부터의 문자영상신호가 OSD부(17)를 통해 영상출력부(21)상에 출력되는 단계를 구비하여 이루어진 것을 특징으로 하는 디지탈 DBS수신기에 잇어서 OSD구현방법.Decoding the VES signal for the received video signal from the DBS receiver 8 through the MPEG2 system demux 16, and outputting the text video signal to the storage means 24; Storing the text image signal from the video decoding means 18 in the storage means; When the OSD mode from the command application unit 30 is input as 1, the microprocessor 28 disables 16 pallets of mix bits. When the OSD mode is input as 0, 15 pallets of mix bits are enabled and white. Preventing the mixbits of the pallet from being enabled; And outputting the text image signal from the storage means 24 through the video decoding means 18 onto the image output unit 21 through the OSD unit 17. Followed by OSD implementation method. 제1항에 있어서, 상기 버퍼출력신호 선택수단(28)은 반투명배경을 선택하기 위해 OSD모드가 1로 입력되면 파레트의 믹스비트를 디스에이블시키고, 불투명배경을 선택하기 위해 OSD모드가 0으로 입력되면 믹스비트를 이네이블시키도록 되는 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.2. The buffer output signal selection means (28) according to claim 1, wherein the buffer output signal selection means (28) disables the mix bit of the palette when the OSD mode is input to 1 to select the translucent background, and inputs the OSD mode to 0 to select the opaque background. OSD implementation in the digital DBS receiver, characterized in that to enable the mix bit. 제8항에 있어서, 상기 버퍼출력신호 선택수단(28)은 불투명배경을 선택시 백색 파레트의 믹스비트가 이네이블되지 않도록 하는 것을 특징으로 하는 디지탈 DBS수신기에 있어서 OSD구현장치.10. The apparatus of claim 8, wherein the buffer output signal selecting means (28) prevents the mix bits of the white palette from being enabled when the opaque background is selected. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950050559A 1995-12-15 1995-12-15 Method & apparatus for emboding the osd in a digital dbs receiver KR100195714B1 (en)

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