KR920005630A - Digital still video recorder player with PIP function - Google Patents

Abstract

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Description

Digital still video recorder player with PIP function

As this is a public information case, the full text was not included.

1 is a block diagram of a still video player having a PIP function according to the present invention.

2 and 3 are diagrams showing the sub-sampling operation state and the sub picture size state when the sub picture is selected.

* Explanation of symbols for main parts of the drawings

10: memory card 12: card interface

14 data recovery circuit 16 first switch

18: judgment circuit 20: interpolation circuit

22: CPU 24: keyboard

26: display part 32, 34, 58, 60: second, third, fourth, fifth switch

36: selection circuit 38, 40: first and second data control

42,50: first and second signal generator 44,46: first and second frame memory

48: frame memory controller 52,54: first, second D / A converter

56: window generator 62: luminance level

64: encoder

Claims (1)

A memory card 10 that stores video data processed by a digital still video camera and a memory card 10 connected to the memory card 10, and inputs an image selection signal and a compression mode signal from the memory card 10; In a digital still video recorder player having a PIP function having a recording information interpolation output circuit 100 for reading and interpolating image data, the main screen and sub screen selection signals, screen size selection signals, and the like. The recording information interpolation output circuit 100 is controlled by a keyboard 24 for inputting a command and a command signal input through the keyboard 24 to determine a compression mode by reading data of the memory card 10, CPU 22 for outputting the PIP function selection signal, the sub-screen selection signal, and the output control signal, a display unit 26 for displaying the processing status of the CPU 22, and the recording information interpolation output. A second switch 32 connected to an output terminal of the furnace 100 and switching according to a mother / child screen selection signal to switch the mother screen and the child screen, and to the child screen output terminal of the second switch 32 And a third switch 34 which selects the size of the sub picture by switching according to the sub picture size selection signal, and inputs the PIP function selection signal of the CPU 22 to the second and third switches 32 and 34. Is connected to the respective output terminals of the third switch 34 and the selection circuit 150 for providing the mother / sub picture selection signal and the sub picture selection signal to the first and second enable signals. First and second data controllers 38 and 40 for sub-sampling and outputting input image data into screen data of a first size and screen data of a second size, respectively; and the CPU 22, first, and first Two data controllers 38 and 40 connected between the first and second data controls according to the sub-screen selection signal of the CPU 22; A first signal generator 42 which operates the first and second enable signals by providing the first and second enable signals to the plurality of detectors 38 and 40, the sub picture output terminal of the second switch 32, and the first and second data. First and second frame memories 44 and 46 which are connected to the output terminals of the controllers 38 and 40, respectively, and store and lead-out image data of the mother screen and the mother screen respectively inputted by predetermined control; And a second signal generator 50 for generating a memory control signal, a window control signal, and an encoder control signal according to the output control signal of the CPU 22, the second signal generator 50, and the first and second frames. Frame memory controller 48 and the second signal generator 50 connected between the memory 44 and the 46 to control input and output of the first and second frame memories 44 and 46 by the memory control signal. A window signal generator 36 for generating a window of the PIP according to the window control signal of The outputs of the first and second D / A converters 52 and 54 for digital-to-analog conversion of the outputs of the Switching according to the output of the window switch generator 56 for outputting a selective switch according to the output of the window signal generator 56, and a boundary signal for setting the brightness of the border between the parent screen and the sub-screen And the encoder 64 for encoding the output of the fifth switch 60 and the output of the fifth switch 60 by the output of the second signal generator 50 to output the monitoring signal. Digital still video recorder player circuit with PIP function. ※ Note: The disclosure is based on the initial application.