KR19990024262U - Automatic viewing environment control device for satellite broadcasting multi HDTV - Google Patents

Abstract

The present invention is a multi-HDTV capable of receiving satellite broadcasts, and relates to an automatic viewing environment control device for satellite broadcast receiving multi-HDTV is automatically set according to the characteristics of the received program. In the satellite broadcasting received by the satellite broadcasting module, the user selects a desired program and decodes program environment control information encoded in each selected program so that the video and audio environments suitable for the characteristics of each program can be automatically adjusted. According to the decoded information, adjust the deflection circuit if the information corresponds to the aspect ratio, adjust the video environment means if the information is related to the video environment, and adjust the audio environment means if the information is related to the audio environment. An automatic viewing environment control device for a satellite broadcast receiving multi-HDTV in which the voice environment is automatically set is presented.

Description

Automatic viewing environment control device for satellite broadcasting multi HDTV

The present invention is a multi-HDTV for processing various types of video signals, the satellite to control the video and audio according to the control method by decoding the control information about the video and audio included in the program transmitted from the broadcasting station when receiving the satellite broadcast The present invention relates to an automatic viewing environment control apparatus for broadcast receiving multi-HDTV.

In general, high-definition television (HDTV) displays extremely delicate television images on a wide screen screen of large screens to achieve new attractions, such as a sense of force and realism, which are not available in current television broadcasts. This is escalating.

The high definition television (HDTV) is defined as a new TV system capable of realizing a 16: 9 screen configuration having a wider aspect ratio than a conventional TV system and a double vertical and horizontal resolution. Although there is no general definition of the transmission method of the HDTV, it is defined as a band compression transmission method that does not significantly damage the image quality under the premise of broadcasting using DBS.

In addition, HDTV is improving its technology by adding multi functions to process general TV, video, satellite broadcasting, PC and Internet video signals as well as programs transmitted in general HD.

1 is a schematic block diagram of a general multi HDTV.

Referring to FIG. 1, a general multi-HDTV is described. The HD video signal, the PC and Internet video signals, the general television and video signals of the NTSC system, and the satellite broadcast video signals are respectively the HD input unit 100 and the PC input unit 200. Each signal is input through the NTSC input unit 300. Each input signal is selected by the user, the microcomputer 900 switching HD video signal, HD switching unit 400, PC and Internet video signal switching unit 500, NTSC general television, The NTSC switching unit 600 which switches video and satellite broadcast video signals is switched to apply each input video signal to the image processing unit 700. The image processor 700 processes each input image signal according to each method, and the image signal related to the aspect ratio is controlled by the microcomputer 900 in a 16: 9 or 4: 3 manner by controlling the deflection circuit unit 800. To be printed. After all the above processes, the various video signals input in different ways are displayed on the water pipe 1000 according to their characteristics.

When receiving satellite broadcasts in the multi-HDTV system as described above, satellite programs generally transmit and store data related to video and audio control for each program, for example, sports, drama, news, movies, and concerts. However, since the multi-HDTV has no device for processing the video and audio in accordance with the control information by decoding the information, the video and audio control related to the program has to be set by the user.

The present invention is devised to solve the above problems, and an object of the present invention is to decode the audio and image control information of each program transmitted from satellite broadcasting, and to decode the image according to the image and the audio control information according to the characteristics of each program. The present invention provides an automatic viewing environment control apparatus for a satellite broadcasting receiving multi-HDTV that executes an optimal program image and audio environment by controlling the control means related to the control means related to the decoded information.

1 is a schematic block diagram of a typical multi HDTV

2 is a block diagram illustrating an automatic viewing environment control apparatus for multi-HDTV receiving satellite broadcasting.

Figure 3 is a flow chart for explaining the automatic viewing environment control apparatus of the multi-channel HDTV reception

4 is a diagram showing a list of programs output to the OSD when receiving satellite broadcasting

<Description of the symbols for the main parts of the drawings>

10: satellite broadcasting module 15: switching IC

20: voice processing IC 25: speaker

30: image processing IC 35: water pipe

40: deflection IC 45: OSD

50: program information decoder 55: microcomputer

Hereinafter will be described with respect to one embodiment and action to achieve the object of the present invention.

The satellite broadcasting receiving module 10 which receives an input signal related to satellite broadcasting among various input signals in the multi HDTV, and the satellite broadcasting receiving module 10 is connected to the satellite broadcasting receiving module 10 when the user wins the satellite broadcasting. The switching IC 15 for switching the composite video signal received by the satellite broadcasting receiving module 10 and the audio signal among the composite video signals switched by the switching IC 15 to the speaker 25 under control. The audio processing IC 20 for processing the sound, the speaker 25 outputting the audio signal output from the audio processing IC 20 to the outside, and the video signal of the composite video signal switched by the switching IC 15 An image processing IC 30 for processing the output to the receiving tube 35, a receiving tube 35 for displaying the image signal output from the image processing IC 30, and a screen according to the type of the image signal. The ratio is controlled by the microcomputer 55 at a ratio of 16: 9 or 4: 3. The image and audio control information of each program are detected from the deflection IC 40 and the satellite broadcasting composite video signal switched by the switching IC 15, and the decoded IC 40 is decoded and applied to the microcomputer 55. In the program information decoder 50 and the control information related to each program output from the program information decoder 50, the EQUALIZER, the STEREO, the MONO, and the DOLBY related to the voice are performed. Control the audio processing IC 20 according to the audio control information for controlling the effect, and control the image processing IC 30 according to the image control information for controlling contrast, brightness, etc. Control the deflection IC 40 according to the aspect ratio control information for controlling the aspect ratio, control the OSD 45 to output an initial screen of the OSD state when watching satellite broadcasting, and switch the user to switch when selecting the satellite broadcasting. A microcomputer 55 for controlling the positioning IC 15 and an OSD 45 for outputting an OSD screen to display an initial menu when watching satellite broadcasting.

According to the present invention having the above configuration, the user decodes the environmental control information from the satellite broadcast video signal having environmental control information regarding various video and audio according to the type of the program when viewing satellite broadcasting. All the devices related to video and audio are controlled according to the control information stored in the system, so that the user can adjust the video and audio environment automatically to suit the characteristics of the program to realize the automatic viewing environment adjustment device of the satellite broadcasting reception multi-HDTV. .

Referring to the operation of the present invention with reference to the accompanying drawings as follows.

FIG. 2 is a block diagram illustrating an automatic viewing environment control apparatus for multi-HDTV receiving satellite broadcasting.

3 is a flowchart illustrating an automatic viewing environment control apparatus for a multi-HDTV receiving satellite broadcast.

4 is a diagram illustrating a list of programs output to the OSD when satellite broadcasting is received.

Referring to FIG. 2, a satellite broadcast video signal transmitted from a satellite broadcasting station among various broadcast video signals applied to a multi-HDTV is applied to the satellite broadcast receiving module 10 embedded in the multi-HDTV. When the satellite broadcasting is selected for viewing, the microcomputer 55 switches the switching IC 15 to receive the satellite broadcasting signal. The voice broadcast signal is applied to the voice processing IC 20 and the video broadcast signal is applied to the image processing IC 30 among the applied satellite broadcast video signals. The voice broadcast signal is also applied to the satellite broadcast video signal in addition to the voice broadcast signal and the video broadcast signal. The environmental control information for controlling the environment of the loaded program to be loaded is applied to the program information decoder 50. The voice broadcast signal applied to the voice processing IC 20 is processed into a signal suitable for output to the speaker 25 and applied to the speaker 25, and the speaker 25 is applied from the voice processing IC 20. Output audio signal to outside. The image broadcasting signal applied to the image processing IC 30 is processed into an image signal suitable for display on the receiving tube 35 and applied to the receiving tube 35, and the receiving tube 35 receives the image signal by the user. Display for viewing. In addition, according to the type of the input video signal, the deflection IC 40 adjusts the screen ratio to 4: 3 or 16: 9 according to the control of the microcomputer 55. In addition, when a user watches satellite broadcasts, various kinds of programs can be selected, and the menu of the program is displayed as sports, drama, news, movies, concerts, etc. as shown in FIG. The method is output through the OSD 45 under the control of the microcomputer 55. If a user selects a menu to be selected from the program menu output through the OSD 45, the program environment control information carried in the composite video signal of the program corresponding to the selected menu is applied to the program information decoder 50. do. The environmental control information of the program input to the program information decoder 50 controls the stored EQUALLIZER, STEREO and MONO, DOLBY effects, etc., to suit the environment of each program. It consists of audio control information, image control information for controlling contrast, brightness, and the like, and aspect ratio information for storing a ratio of a 16: 9 or 4: 3 screen, which is decoded by the program information decoder 50. The control information is applied to the microcomputer 55. If the environmental control information applied from the program information decoder 50 is control information related to voice in the microcomputer 55, the voice processing IC 20 is controlled according to the information to implement a suitable voice environment, and control information related to an image. In this case, the image processing IC 30 is controlled according to the information to implement a suitable image environment, and if the information is about the aspect ratio, the deflection IC 40 is controlled according to the information to convert the aspect ratio to the characteristics of the input program. Implement the right video and audio environment.

Referring to the flowchart of Figure 3 with respect to the automatic viewing environment control device of the multi-channel TV satellite reception in the above process as follows.

The satellite broadcasting receiving module 10 embedded in the multi HDTV so that the user can watch satellite broadcasting receives the satellite broadcasting (S100).

The satellite broadcast composite video signal received in step S100 is switched by the switching IC 15 under the control of the microcomputer 55 by the user's selection (S200).

The program selection menu initial screen of the satellite broadcast switched and received in step S200 is output through the OSD 45 (S300).

In the program selection menu output in step S300, the user selects a desired program at step S400.

The program environment control information stored in the program selected in step S400 is decoded by the program information decoder 50 (S500).

In the program environment control information decoded in step S500, the microcomputer 55 determines whether there is information on an aspect ratio (S600).

According to the result determined in step S600, if there is no information on the aspect ratio, the microcomputer 55 maintains the aspect ratio set in the existing television as it is (S700).

According to the result determined in step S600, the microcomputer 55 controls the deflection IC 40 according to the aspect ratio, and converts the aspect ratio if there is information on the aspect ratio (S800).

While the aspect ratio is converted by the process S800, the microcomputer 55 determines whether there is information on the video environment in the decoded program environment control information (S900).

According to the result determined in step S900, if there is no information on the video environment, the microcomputer 55 maintains the video environment set in the existing television as it is (S1000).

According to the result determined in step S900, if there is information on the video environment, the microcomputer 55 adjusts the video environment means according to the information (S1100).

While the video environment means is adjusted by the process S1100, the microcomputer 55 determines whether there is information on the sound environment in the decoded program environment control information (S1200).

According to the result determined in step S1200, the microcomputer 55 maintains the voice environment set in the existing television without information on the voice environment (S1300).

According to the result determined in step S1200, the microcomputer 55 adjusts the voice environment means according to the information if there is information on the voice environment (S1400).

Through the above process, the present invention is intended, and the automatic viewing environment control apparatus for the satellite broadcasting reception HDTV is implemented.

As can be seen from the above description, the present invention utilizes the program environment control information encoded in each program of the satellite broadcast in a multi-HDTV capable of receiving satellite broadcasts to provide a video environment and an audio environment suitable for the characteristics of each program. The program environment control information is decoded so as to be automatically adjusted, and the deflection circuit is adjusted if the information corresponds to the aspect ratio according to the decoded information, and the video environment means is adjusted if the information is related to the video environment, If it is information, the video and audio environment is automatically set by simply selecting a program without adjusting the video and audio according to the characteristics of the program by adjusting the audio environment means.

Claims (1)

In HDTV with satellite broadcasting function, Decoding means for decoding the control information in the broadcast signal of the received satellite broadcasting; Control means for determining the presence or absence of aspect ratio information, video environment information, and audio environment information of the viewing environment information from the control information decoded by the decoding means, and outputting a control signal; And a viewing environment processing means for switching the viewing environment according to the control signal applied from the control means.