Device and method for modifying video image of display apparatus

Abstract

A device and method for modifying a video image of a display apparatus method, for efficiently modifying a size and aspect ratio of a video image, is disclosed. The device includes an on-screen display (OSD) generator providing an on-screen display (OSD) on a display for programming a size and an aspect ratio of a video image, and a video processor modifying a displayed video image in accordance with the size and aspect ratio of the displayed video image programmed by a user. Herein, the video processor modifies the video image from a center point of the video image.

What is claimed is: 
     
       1. A device for modifying a video image of display apparatus, comprising:
 a demultiplexer dividing received broadcast signals into a video signal, an audio signal, and supplementary information;   a video processor converting the video signal received from the demultiplexer into a displayable signal;   a microcomputer controlling the video processor so as to adjust a size and aspect ratio of a displayed video image based on the supplementary information received from the demultiplexer; and   a data processor providing a video image modifying menu for allowing a user to remotely change the size and aspect ratio for a currently displayed video image.   
     
     
       2. The device according to  claim 1 , wherein the microcomputer adjusts the size and aspect ratio of a displayed video image based on a genre information included in broadcast programs. 
     
     
       3. The device according to  claim 1 , further comprising a memory storing a video size value and a video aspect ratio value corresponding to each genre of broadcast programs. 
     
     
       4. A device for modifying a video image of display apparatus, comprising:
 a demultiplexer dividing received broadcast signals into a video signal, an audio signal, and supplementary information;   a video processor converting the video signal received from the demultiplexer into a displayable signal;   a microcomputer controlling the video processor so as to adjust a size and aspect ratio of a displayed video image based on the supplementary information received from the demultiplexer; and   a data processor providing a video image modifying menu for programming and storing a video size and a video aspect ratio for each genre of broadcast programs.   
     
     
       5. The device according to  claim 4 , wherein the video image modifying menu includes an item for programming a position of subtitles. 
     
     
       6. The device according to  claim 4 , wherein the video image modifying menu includes an item for changing a color of upper and lower portions of the displayed video image initially shown as a black screen.  
     
     
       7. A method for modifying a video image of a display apparatus, comprising:
 dividing received broadcast signals into a video signal, an audio signal, and supplementary information;   converting the video signal for adjusting a size and aspect ratio of a displayed video image based on a genre information of broadcast programs included in the supplementary information; and   providing a video image modifying menu for allowing a user to remotely change the size and aspect ratio for a currently displayed video image.   
     
     
       8. A method for modifying a video image of a display apparatus, comprising:
 dividing received broadcast signals into a video signal, an audio signal, and supplementary information;   converting the video signal for adjusting a size and aspect ratio of a displayed video image based on a genre information of broadcast programs included in the supplementary information; and   displaying a video image modifying menu for programming and storing a video size and a video aspect ratio for each genre of broadcast programs.   
     
     
       9. The method according to  claim 7 , further comprising programming and storing a video size and a video aspect ratio for each genre of broadcast programs. 
     
     
       10. A device for modifying a video image of a display apparatus, the device comprising:
 a demultiplexer configured to divide a received broadcast signal into a video signal, an audio signal, and supplementary information;   a video processor;   a microcomputer configured to control the video processor to convert the video signal received from the demultiplexer and to display a video image corresponding to the converted video signal, wherein a size and aspect ratio of the displayed video image is based on the supplementary information received from the demultiplexer; and   a data processor configured to provide a video image modifying menu for allowing a user to remotely change the size and aspect ratio of the displayed video image,   wherein the microcomputer is further configured to control the video processor to convert the video signal for displaying the video image according to the size and aspect ratio remotely changed by the user,   wherein a length or width of the displayed video image is arbitrarily changed based on a received command from a remote controller to remotely change the size and aspect ratio,   wherein an aspect ratio corresponding to the arbitrarily changed length or width is different than a normal aspect ratio of a 4:3 video image or a wide aspect ratio of a 16:9 video image, and   wherein the received command from the remote controller changes the length or width of the video image incrementally step-by-step.   
     
     
       11. The device according to claim 10, wherein the length and width is arbitrarily changed based at least one control key of the remote controller. 
     
     
       12. The device according to claim 11, wherein the length or width is increased or decreased by 1 value when the at least one control key is operated once. 
     
     
       13. The device according to claim 10, wherein the video image modifying menu indicates an amount of each of the step-by-step increment changes. 
     
     
       14. The device according to claim 10, wherein a size of the video image modifying menu is not changed as the size or aspect ratio of the displayed video image is changed according to a change by the user. 
     
     
       15. The device according to claim 10, wherein the microcomputer is further configured to adjust the size and aspect ratio of the displayed video image based on genre information associated with a broadcast program. 
     
     
       16. The device according to claim 15, further comprising a memory configured to store a video size and a video aspect ratio corresponding to different genres of broadcast programs. 
     
     
       17. The device according to claim 10, wherein the video image modifying menu includes an item for setting a position of subtitles with respect to the displayed video image. 
     
     
       18. The device according to claim 10, wherein the video image modifying menu includes an item for changing a color of upper and lower black bars of the displayed video image. 
     
     
       19. The device according to claim 10, wherein the size of the displayed video image is adjusted based on a center point of the video image. 
     
     
       20. The device according to claim 10, wherein the video image modifying menu is displayed to overlap the displayed video image such that each change in the size or aspect ratio of the displayed video image is visually verifiable while the video image modifying menu is displayed. 
     
     
       21. A display device comprising:
 a demultiplexer configured to divide a received broadcast signal into a video signal, an audio signal, and supplementary information;   a video processor;   a microcomputer configured to control the video processor to convert the video signal received from the demultiplexer and to display a video image corresponding to the converted video signal, wherein a size and aspect ratio of the displayed video image is based on the supplementary information received from the demultiplexer; and   a data processor configured to provide a video image modifying menu for allowing a user to adjust the size and aspect ratio of the displayed video image via one or more inputs to a remote controller associated with the display device,   wherein the microcomputer is further configured to control the video processor to convert the video signal for displaying the video image according to the adjusted size and aspect ratio according to the one or more inputs,   wherein a length or width of the displayed video image is arbitrarily adjusted according to the one or more inputs,   wherein an aspect ratio corresponding to the arbitrarily adjusted length or width is different than a normal aspect ratio of a 4:3 video image or a wide aspect ratio of a 16:9 video image, and   wherein each of the one or more inputs adjusts a value of the length or width of the video image incrementally step-by-step.   
     
     
       22. The display device according to claim 21, wherein the length or width is arbitrarily adjusted based at least one control key of the remote controller. 
     
     
       23. The display device according to claim 22, wherein the length or width is increased or decreased by 1 value when the at least one control key is operated once. 
     
     
       24. The display device according to claim 21, wherein the video image modifying menu indicates an amount of each of the step-by-step increment adjustments. 
     
     
       25. The display device according to claim 21, wherein a size of the video image modifying menu is not changed as the size or aspect ratio of the displayed video image is adjusted by the user. 
     
     
       26. The display device according to claim 21, wherein the microcomputer is further configured to adjust the size and aspect ratio of the displayed video image based on genre information associated with a broadcast program. 
     
     
       27. The display device according to claim 26, further comprising a memory configured to store a video size and a video aspect ratio corresponding to different genres of broadcast programs. 
     
     
       28. The display device according to claim 21, wherein the video image modifying menu includes an item for setting a position of subtitles with respect to the displayed video image. 
     
     
       29. The display device according to claim 21, wherein the video image modifying menu includes an item for changing a color of upper and lower black bars of the displayed video image. 
     
     
       30. The display device according to claim 21, wherein the size of the displayed video image is adjusted based on a center point of the displayed video image. 
     
     
       31. The display device according to claim 21, wherein the video image modifying menu is displayed to overlap the displayed video image such that each adjustment in the size or aspect ratio of the displayed video image is visually verifiable while the video image modifying menu is displayed.