KR19990086623A - Recording method of satellite broadcasting receiver - Google Patents

Abstract

The present invention relates to a recording method of a satellite broadcast receiver capable of selectively recording using various recording media in recording a broadcast program received through a satellite broadcast receiver. The satellite is connected to a plurality of external recording media including a video cassette recorder through a mutual data transmission terminal, and when a key signal for recording any broadcast program among various broadcast programs provided from the plurality of channels is input, the satellite is input. Detecting a plurality of recording media connected with the broadcast receiver; Displaying a recording medium selection menu screen including the detected plurality of recording media, and if any one of the displayed recording media is selected, executing a recording mode for the broadcast program on the selected recording media; It includes.

Description

Recording method of satellite broadcasting receiver

The present invention relates to a satellite broadcast receiver, and more particularly, to a recording method of a satellite broadcast receiver suitable for recording various satellite broadcast programs provided through a satellite broadcast receiver through various storage media.

Satellite broadcasting is a broadcasting system that can receive broadcast signals from ground stations (broadcasting earth stations) using broadcast satellites and receive them directly with satellite receiving antennas in each home, and compares the information with existing terrestrial or cable broadcasting systems. It is a broadcasting method in which the selection range is greatly expanded. In the satellite broadcasting system, a digital broadcast signal in the form of a bit stream is received on a packet basis, a broadcast signal of a selected channel is extracted from the broadcast signals received by a transport demultiplexer, and then the extracted broadcast signal is converted into MPEG. (Motion Picture Expert Group) scheme to decode and provide to the display device.

Meanwhile, a satellite broadcast receiver used in such a general satellite broadcast system may record a broadcast program using an external storage medium as in the conventional terrestrial broadcast. In other words, in general satellite broadcasting receiver, a user can record a broadcasting program that he / she wants using a VCR connected to the outside through the A / V terminal. Recently, various recording media (for example, CD-R, DVD- R, PC HDD, etc.) have been developed to record video and audio signals.

However, a conventional satellite broadcast receiver does not provide a method for recording a broadcast program using a recording medium other than a VCR. If such a satellite broadcast receiver also uses a broadcast program using the various recording media as described above. If it is provided with the ability to record video, it will not only improve the performance of the satellite broadcasting receiver, but also meet the needs of a wider variety of users.

Accordingly, the present invention has been made in view of the foregoing, and provides a recording method of a satellite broadcast receiver capable of recording a broadcast program received through a satellite broadcast receiver using various external recording media connected to the satellite broadcast receiver. The purpose is.

In order to achieve the above object, the present invention, a satellite broadcast receiving a broadcast signal for a plurality of channels provided from the satellite and displayed through a predetermined signal processing process, and recording a broadcast program using a variety of recording media connected to the outside In the recording method of the receiver, the satellite broadcast receiver is connected to an external recording medium through a mutual data transmission terminal, and the method performs recording of any broadcast program among various broadcast programs provided from the plurality of channels. A first step of checking input of a key signal for performing; Detecting a plurality of recording media connected to the satellite broadcasting receiver when the key signal is input; A third step of displaying a recording medium selection menu screen including the detected plurality of recording media; If any one of the displayed plurality of recording media is selected, and provides a recording method of the satellite broadcast receiver comprising the step of executing a recording mode for the broadcast program on the selected recording medium.

1 is a block diagram of a satellite broadcast receiver suitable for applying a recording method of a satellite broadcast receiver according to an embodiment of the present invention;

2 is a view for explaining a recording method of a satellite broadcast receiver according to an embodiment of the present invention;

3 is a flowchart illustrating a recording process of a satellite broadcast receiver according to a preferred embodiment of the present invention.

<Description of the code | symbol about the principal part of drawing>

110: key input unit 120: microcomputer

130 tuner and demodulator 140 memory unit

150: MPEG Decoder 160: Video Encoder

170: menu generating unit 180: image synthesizing unit

190: external connection port

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a satellite broadcast receiver suitable for applying a recording method of a satellite broadcast receiver according to an exemplary embodiment of the present invention. The key input unit 110, the microcomputer 120, the tuner and the demodulator 130, The memory unit 140 includes an MPEG decoder 150, a video encoder 160, a menu generator 170, an image synthesizer 180, and an external connection port 190.

Referring to FIG. 1, the key input unit 110 is configured with key metrics on a remote controller or its own panel to generate a corresponding key signal by a user's operation and provide the corresponding key signal to the microcomputer 120. The tuner and demodulator 130 ) Receives a broadcast signal received through a broadcast signal receiver (i.e., a satellite reception antenna), not shown, based on a control signal provided from the microcomputer 120, and converts and demodulates the received broadcast signal into an intermediate frequency. And it is restored to the transport stream through a process such as error correction. In addition, the tuner and demodulator 130 extracts broadcast signals and PAT / PMT data for each channel, and extracts EIT data of video and audio and service data for each channel from the broadcast signal and PAT / PMT data for each channel, and provides them to the microcomputer 120. do.

The microcomputer 120 stores various additional information (including EIT information) extracted from the above-described tuner and demodulator 130 in a predetermined area of the memory unit 140. The various additional information includes programs for each channel. Information is included. When the user selects an arbitrary broadcasting channel, the microcomputer 120 reads various additional information and ID information stored in the memory unit 140 to output a video signal for the selected channel through the tuner and demodulator 130. The audio signal is demultiplexed so that only the video and audio signals corresponding to the broadcast signal having the set PID are transmitted.

The MPEG decoder 150 may vary the length of the compressed and encoded video signal in consideration of the spatial and spatial correlation of the compressed and encoded audio signal and the video signal of the bit stream output from the tuner and the demodulator 130. The decoding is performed to decode the original signal before encoding using decoding techniques such as decoding, inverse DCT, inverse quantization, and motion compensation. At this time, the digital audio signal decoded and output from the MPEG decoder 150 is converted into an analog audio signal through an audio signal processor (not shown) and output through an speaker not shown. The digital video signal decoded from the MPEG decoder 150 is converted into an NTSC or PAL analog video signal through a predetermined signal processing by the video encoder 160 and then provided to the image synthesizer 180.

In addition, the menu generator 170 reads from the memory unit 140 and provides various types of data provided through the microcomputer 120 into a menu screen of a predetermined type and provides the image screen to the image synthesizer 180. That is, the menu generator 170 pre-stores various types of menu screen format information provided by the satellite broadcasting receiver, and receives various additional data stored in the memory 140 from the microcomputer 120 to provide a menu of a predetermined type. It is configured as a screen and provided to the image synthesizing unit 180. Accordingly, the image synthesizing unit 180 superimposes and displays the decoded video signal provided from the MPEG decoder 150 and the menu screen provided from the menu generator 170.

Meanwhile, the external connection port 190 is a data transmission port provided for mutual data transmission between a satellite broadcasting receiver and an external A / V device or a recording medium (for example, VCR, PC, DVD, etc.), and a plurality of external devices. Simultaneous connection is possible. In addition, a representative data transmission standard for connecting to a plurality of multimedia devices using the external connection port 190 may be an IEEE 1394 serial bus.

The satellite broadcast receiver configured as described above records a desired broadcast program by manipulating the key input unit 110 while a normal viewing mode in which a user watches an arbitrary broadcast program or a program guide screen for each channel is displayed. If a key signal for performing the recording mode of the satellite broadcasting receiver is input from the key input unit 110, the microcomputer 120 may provide information on the type of the external recording medium connected by the external connection port 190. Will be detected.

Then, information on the type of the detected recording medium is provided to the menu generating unit 170, and the menu generating unit 170 is an image synthesizing unit based on the recording medium information and the driving control signal provided from the microcomputer 120. Through 180, the recording medium selection menu screen of the type shown in FIG. 2 is displayed. That is, the recording medium selection menu screen including the type of recording medium connected through the external connection port 190 of the satellite broadcasting receiver is displayed as shown in the drawing, so that the user selects one of the respective recording mediums for broadcasting. You can record the program.

When the user selects one of a plurality of recording media through the above-described process and inputs recording information (for example, recording time and recording channel information) to perform the recording mode, the microcomputer 120 performs a tuner and a copy. The grandmother 130 tunes the broadcast signal of the channel set by the user, and then decodes the video signal and the audio signal of the channel through the MPEG decoder 150 and outputs the same through the video encoder. In this case, the microcomputer 120 provides a video signal and an audio signal of a channel set to be output through a video signal processing process through the video encoder 160 to a recording medium selected by a user through an external connection port 190. In this case, recording of the channel is performed.

3 is a flowchart illustrating a process of performing a recording method of a satellite broadcast receiver according to an exemplary embodiment of the present invention. Hereinafter, a series of processes described above with reference to the accompanying drawings will be described in detail.

The general operation of the satellite broadcasting receiver configured as shown in FIG. 1 is a normal viewing mode for receiving a broadcast signal for a specific channel and displaying it on a screen, or in a standby mode for performing a specific command input through the key input unit 110. During operation (step 301), if a signal for recording a specific broadcast program is input through the key input unit 110 (step 303), the microcomputer 120 connects to the external connection port 190 of the current satellite broadcast receiver. The recording medium connected thereto is detected (step 305). That is, the type of recording device capable of recording a broadcast program provided from the satellite broadcast receiver among the external A / V devices connected to the satellite broadcast receiver is detected.

In addition, the microcomputer 120 generates information on the detected recording medium and a control signal for displaying a menu screen, and provides the microcomputer 120 to the menu generator 170, and the menu generator 170 is provided from the microcomputer 120. Based on the information on the recording medium, the recording medium selection menu screen as shown in FIG. 2 is displayed on the screen through the image synthesizing unit 180 (step 307). Through this process, when the recording medium selection menu screen as shown in FIG. 2 is displayed, the microcomputer 120 checks an input of a key signal for selecting an arbitrary recording medium from the key input unit 110. If a key signal for selecting an arbitrary recording medium is not input for a predetermined time (step 311), the microcomputer 120 automatically sets a VCR among the plurality of recording media displayed on the screen as the recording medium (step 313).

On the contrary, if a key signal for selecting an arbitrary recording medium is input while the recording medium selection menu screen of the satellite broadcasting receiver is displayed through step 307 described above, the microcomputer 120 inputs the input signal. The recording medium corresponding to the received key signal is set as recording means for recording the satellite broadcast program (step 315). Subsequently, when other recording information (eg, recording time, recording channel, etc.) is input through the key input unit 110 and the recording setting process is completed, the microcomputer 120 receives a satellite broadcasting receiver based on the set recording information. The recording mode is executed (step 317).

That is, the broadcast signal output through the tuner and demodulator 130 and the MPEG decoder 150 of the satellite broadcast receiver is again output through a predetermined signal processing process through the video encoder 160, wherein the microcomputer 120 is The recording mode is performed by transmitting a signal for a broadcast program output from the video encoder 160 to the recording medium selected in the above-described step 309 among the plurality of recording media connected through the external connection port 190.

When recording to a specific program of the satellite broadcasting receiver, the user can selectively record using not only a VCR but also various other recording media, thereby improving the function according to the recording mode of the satellite broadcasting receiver. As a result, there is an effect that can satisfy the needs of more diverse users.

Claims (2)

In the recording method of the satellite broadcast receiver for receiving a broadcast signal for a plurality of channels provided from the satellite to display through a predetermined signal processing process, and recording the broadcast program using a variety of recording media connected to the outside, The satellite broadcast receiver is connected to an external recording medium through a mutual data transmission terminal, The method is: A first step of checking an input of a key signal for performing recording on any broadcast program among various broadcast programs provided from the plurality of channels; Detecting a plurality of recording media connected to the satellite broadcasting receiver when the key signal is input; A third step of displaying a recording medium selection menu screen including the detected plurality of recording media; And executing a recording mode for the broadcast program on the selected recording medium, if any one of the displayed recording media is selected. The method of claim 1, wherein the fourth step comprises: automatically selecting the video cassette recorder from among the plurality of recording media to perform the recording mode when the arbitrary recording medium is not selected for a predetermined time. Recording method of a satellite broadcast receiver further comprising.