KR100293036B1 - The apparatus for stopping video on broadcasting satellite receiver - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screen stop device for a satellite broadcast receiver in which a screen is paused and the sound is continuously output when the satellite broadcast is viewed. In order to pause user's desired screen when watching satellite broadcasting, it is equipped with frame storage means for continuously storing the video signal output through NTSC encoder by one frame unit. A screen stop device of a satellite broadcasting receiver which turns off and displays the stored frame screen on a television monitor and outputs sound as it is.

Description

Screen stopper of satellite broadcasting receiver {The apparatus for stopping video on broadcasting satellite receiver}

The present invention relates to a satellite TV receiver for receiving satellite broadcasts, wherein the screen pause device of the satellite broadcast receiver stops the screen and continuously outputs the sound when watching satellite broadcasts.

Referring to the block diagram of Fig. 1 the reception process of the satellite broadcast through the satellite broadcast receiver is as follows.

1 is a block diagram of a general satellite broadcast receiver.

Referring to FIG. 1, a general satellite broadcast receiver selects an antenna 10 receiving a satellite broadcast signal transmitted from a broadcast satellite and a channel selected by a user from the satellite broadcast signal received from the antenna 10. A desired packet table is selected from the channel unit 20 for frequency amplification, analog conversion, demodulation and application to the demultiplexer 30, and PID (Packet ID) information of the digital satellite broadcast signal applied from the channel unit 20. Depacketizing, the demultiplexer 30 to be applied to the descrambler (40) to descramble the scrambled broadcast signal in the case of euro-pro, and the demultiplexer (30) applied Compression of the descrambler 40 which descrambles the scrambled broadcast signal and reapplies it to the demultiplexer 30, and compresses the depacketized broadcast signal in the demultiplexer 30. The MPEG A / V decoder 50 and the MPEG A / V decoder 50 apply the video signal to the NTSC encoder 60 and the audio signal to the audio D / A converter 70. NTSC encoder 60 to process the video signal out of the unpacked digital broadcast signal to the TV monitor, audio D / A converter 70 to process the audio signal to the speaker, and to operate all operations of the satellite broadcast receiver wirelessly It is composed of a remote controller 90 for controlling.

Referring to the operation of the general satellite broadcast receiver having the above configuration, when the user powers on the satellite broadcast receiver using the remote controller 90, the antenna 10 is a channel part of the satellite broadcast signal transmitted from the broadcast satellite The channel selected in (20) is selected, digitally converted from intermediate frequency amplification, analog, and then demodulated and applied to the demultiplexer 30. The digital broadcast signal selected and demodulated by the channel unit 20 depacketizes a desired packet table among PID (Packet ID) information of the digital satellite broadcast signal in the demultiplexer 30, In this case, the scrambler 40 is applied to the descrambler 40 so as to descramble the scrambled broadcast signal. The scrambled broadcast signal applied from the demultiplexer 30 to the descrambler 40 is descrambled and applied to the demultiplexer 30 again. The depacketized broadcast signal is decompressed by the MPEG A / V decoder 50 in the demultiplexer 30. The video signal is NTSC encoder 60 and the audio signal is audio D / A in the digital broadcast signal. The converter 70 is separated and sent out. The video signal transmitted from the MPEG A / V decoder 50 to the NTSC encoder 60 is processed into a video signal suitable for output and output to the TV monitor, and the audio signal is output from the audio D / A converter 70. The audio signal is processed to be output to the speaker.

When watching a program such as an education broadcast in the general satellite broadcasting receiver as described above, if there is a screen that needs to be paused in order to concentrate more, the program stops according to the speed of the program except for recording and replaying it with a VCR. There was a problem to continue watching without this.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a screen stop device for a satellite broadcast receiver that can pause the screen desired by the user when watching satellite broadcasts.

As a technical idea for achieving the object of the present invention, the switching means for separating and switching the video signal and the audio signal from the satellite broadcast signal, and the video signal is switched by the switching means for storing the screen by one screen and stop the screen A screen stop means for outputting the stored screen, an OSD output means for outputting a selection menu screen for pausing and releasing the screen as an OSD screen, key input means for selecting a required function in the selection menu screen, and a temporary An invention comprising a switching means, a control means for stopping a screen by controlling a screen stop means when selecting a stop is presented.

1 is a block diagram of a typical satellite broadcast receiver

Figure 2 is a block diagram for explaining the screen stop device of the present inventors satellite broadcasting receiver

3 is an exemplary diagram illustrating a selection menu of a screen stop mode.

Figure 4 is a flow chart for explaining the operation of the screen stop device of the present invention satellite broadcast receivers

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

5: broadcast satellite 10: antenna

15 converter 20 channel portion

20a: Tuner 20b: A / D Converter

20c: Link IC 30: Demultiplexer

40: descrambler 50: MPEG A / V decoder

60: NTSC encoder 70: audio D / A converter

75: OSD 80: controller

85: A / V switching unit 90: remote controller

95: frame storage unit

Hereinafter, with reference to the accompanying drawings with respect to the configuration and operation of the embodiment of the present invention will be described.

2 is a block diagram illustrating a preferred channel switching device of the present invention satellite broadcast receiver.

3 is an exemplary diagram illustrating a selection menu of a screen stop mode.

Referring to FIGS. 2 and 3, the present invention provides an antenna 10 for receiving a satellite broadcast signal transmitted from a broadcast satellite 5, a low noise block-down convert (LNB), a waveguide (Feedhorn), a polarotor, and the like. It consists of a low noise, high amplification of the broadcast signal received from the antenna 10 to the frequency of 1/10, that is, the 12 GHz received signal is converted to the intermediate frequency of the 1 GHz band FM signal as it is and amplified to the required level channel A converter 15 applied to the unit 20, a tuner 20a for tuning a channel selected by a user in the 1 GHz FM broadcast signal sent from the antenna 10 and the converter 15, and the tuner 20a. A / D converter 20b for converting the broadcast signal tuned from the analog to digital, and the digital signal converted from the A / D converter 20b for demodulation and channel decoding to demultiplexer 30. A channel section 20 composed of a Link IC 20c to be sent to Depacketizing the desired packet table among the PID (Packet ID) information of the digital satellite broadcasting signal applied from the null unit 20, and in the case of Europro, the descrambler to descramble the scrambled broadcasting signal. A demultiplexer 30 to be applied to the descrambler 40, a descrambler 40 to descramble the scrambled broadcast signal applied from the demultiplexer 30, and reapply the demultiplexer 30 to the demultiplexer 30, and the demultiplexer 30. MPEG A / V decoder 50 to decompress the depacketized broadcast signal and apply it to the A / V switching unit 85 and the video signal from the broadcast signal output from the MPEG A / V decoder 50. The signal is switched to the NTSC encoder 60 and the audio signal is switched to the audio D / A converter 70. The A / V switching unit 85 and the A / V switching unit 85 switch and output the compressed signal. The unprocessed digital video signal is processed to An NTSC encoder 60 for outputting to a monitor, an audio D / A converter 70 for processing an audio signal and outputting it to a speaker, a remote controller 90 for wirelessly controlling all operations of the satellite broadcasting receiver, and the NTSC A frame storage unit connected to the encoder 60 and storing the video signal output from the NTSC encoder 60 in units of frames according to a control command of the controller 80, and continuously updating (UPDATE) as time passes. 95) and an OSD 75 for allowing a user to output a selection menu screen for pausing and releasing an output screen to an OSD screen to the NTSC encoder 60 under the control of the controller 80, and all of the above functions. In particular, when the user wants to pause the screen, the corresponding menu screen is displayed on the OSD 75, and when the user selects the screen pause on the menu screen, the A / V switching unit 85 controls the output of the video signal. Off, phase It consists of the frame image stored in the frame storage unit 95 to the controller 80 for controlling so as to output to the NTSC encoder 60. FIG.

Referring to the operation of the present invention having the above configuration, when the user powers on the satellite broadcast receiver using the remote controller 90, the antenna 10 receives the satellite broadcast signal transmitted from the broadcast satellite (5) The broadcast signal received by the antenna 10 is low noise and amplified at a frequency of 1/10 at the converter 15, that is, the 12 GHz received signal is converted into an intermediate frequency of 1 GHz as it is an FM signal and the required level is obtained. Amplified to and applied to the channel unit 20. The FM broadcast signal of the 1 GHz band transmitted from the antenna 10 and the converter 15 is tuned to a channel selected by the user in the tuner 20a of the channel unit 20, and the broadcast signal tuned by the tuner 20a is a channel. The broadcast signal converted from analog to digital by the A / D converter 20b of the unit 20 and digitally converted by the A / D converter 20b is demodulated by the Link IC 20c of the channel unit 20. The channel is decoded and applied to the demultiplexer 30. The digital broadcast signal selected and demodulated by the channel unit 20 depacketizes a desired packet table among PID (Packet ID) information of the digital satellite broadcast signal in the demultiplexer 30, and the euro profile. In this case, the descrambler 40 is applied to the descrambler 40 under the control of the controller 80 so as to descramble the scrambled broadcast signal. The scrambled broadcast signal applied from the demultiplexer 30 to the descrambler 40 is descrambled and applied to the demultiplexer 30 again. The depacketized broadcast signal in the demultiplexer 30 is decompressed in the MPEG A / V decoder 50, and the digital broadcast signal is applied to the A / V switching unit 85. The broadcast signal applied from the MPEG A / V decoder 50 to the A / V switching unit 85 is controlled by the controller 80, and the video signal is NTSC encoder 60, and the audio signal is audio D. It is separated into the / A converter 70 and sent out. The video signal transmitted from the A / V switching unit 85 to the NTSC encoder 60 is processed as an image signal suitable for being stored and output while continuously updating the frame storage unit 95 in a frame unit. And output to the TV monitor. The audio signal transmitted from the A / V switching unit 85 to the audio D / A converter 70 is processed as an audio signal suitable for output from the audio D / A converter 70 and output to the speaker. In addition, when the user switches the screen stop mode of the remote controller 90 to pause the screen while watching the satellite broadcast, the controller 80 drives the OSD 75 to display a screen freeze mode selection screen as shown in FIG. The OSD screen is displayed. When the user switches the 'pause only screen' to pause the screen. The controller 80 controls the A / V switching unit 85 to turn off the video signal output to the NTSC encoder 60, and outputs one frame screen stored in the frame storage unit 95 to the NTSC encoder 60. The stored still image is displayed on the TV monitor. In the above, the audio output is continuously output through the speaker regardless of whether the screen is stopped. If the user wants to release the still image, the user selects the freeze mode using the remote controller 90, and the controller 80 drives the OSD 75 to display a freeze mode selection screen as shown in FIG. The OSD screen is displayed. When the user switches 'pause' to freeze the still image. The controller 80 controls the A / V switching unit 85 to turn on the video signal output to the NTSC encoder 60 again, and the frame storage unit 95 stores the frame image as it is, and outputs it from satellite broadcasting. The screen is displayed in the conventional way.

Referring to Figure 4 with respect to the flow of the operation of the screen stop device of the present invention satellite broadcast receiver in the above process as follows.

Figure 4 is a flow chart for explaining the operation of the screen stop device of the present invention satellite broadcast receiver.

Referring to Figure 4, the user uses a satellite broadcast receiver to watch the satellite broadcast (S100).

When watching the satellite broadcasting in the process S100, the frame storage unit 95 stores while updating the video signal output from the NTSC encoder 60 to the TV monitor by one frame unit (S200).

If the screen continues to be stored frame by frame in step S200, the user determines whether to pause the screen to view (S300).

According to the result determined in step S300, if the screen is not to be paused, the process is repeated from step S200, and if it is to be paused, the screen stop mode is switched using the remote controller 90 (S400).

When the screen stop mode is switched by the process S400, a selection menu relating to the mode is output to the OSD screen, and the user selects 'pause only the screen' (S500).

When the pause is selected in the process S500, the controller 80 controls the A / V switching unit 85 to turn off the output of the video signal (S600).

Simultaneously with the process S600, the controller 80 controls the frame storage unit 95 to output a frame image signal stored in the frame storage unit 95 to the NTSC encoder 60 to display a still image (S700).

When the still picture is displayed in step S700, the user determines whether to release the still picture for the still picture (S800).

According to the result determined in step S800, if stop release is not selected for the still image, the process is repeated from step S700, and if stop release is selected for the still image, the still image mode is switched using the remote controller 90. (S900).

When the still image mode is switched in step S900, a selection menu regarding the mode is displayed on the OSD screen, and the user selects 'pause release' (S1000).

When the stop release is selected in step S1000, the controller 80 controls the A / V switching unit to turn on the video signal to the original so that the screen is normally displayed (S1100).

Through all the above processes, the screen stop device of the satellite broadcasting receiver is implemented as the present invention intends.

As can be seen from the above description, the present invention includes a frame storing means for continuously storing the video signal output through the NTSC encoder in units of frames so that the user can pause the desired screen when watching satellite broadcasting. When the user applies the pause command, the screen output device of the satellite broadcasting receiver which turns off the existing output image, displays the stored frame screen on the television monitor, and outputs the sound as it is, stops the screen on demand. If necessary, the output image is paused and the sound is output as it is.

Claims (3)

A satellite broadcasting receiver receiving a program from satellite broadcasting and displaying an image through an OSD, Switching means for separating and switching the video and audio signals from the broadcast signals output from the MPEG A / V decoder; Screen stop means for storing the image signals switched and output by the switching means, one screen for each screen, and outputting a storage screen to stop the screen when screen stop is required; OSD output means for outputting a selection menu screen regarding pausing and halting the screen to an OSD screen; Key input means for selecting a required function on a selection menu screen displayed by the OSD output means; And a control means for controlling the switching means and the screen stop means to stop the video screen when the user selects a pause of the video screen on the selection menu screen. The apparatus of claim 1, wherein the screen stop means comprises: an NTSC encoder for outputting a decompressed digital video signal output from an A / V switching unit to a frame storage unit; And a frame storage unit for storing the video signal output from the NTSC encoder in units of one frame according to a control command of a controller and continuously updating the frame as time passes. The method of claim 1, wherein the control unit displays the corresponding menu screen with the OSD when the user wants to pause the screen, and outputs the video signal by controlling the A / V switching unit when the user selects the pause of the screen on the menu screen The apparatus for stopping the screen of the phase broadcast receiver, characterized in that the control unit outputs the frame image stored in the frame storage unit to the NTSC encoder.