KR970057851A - Digital VCR Combined Digital Satellite Broadcast Receiver - Google Patents

Abstract

The present invention relates to a digital VCR coupled digital satellite broadcast receiver, comprising a first second tuner (100a, 100b); First and second QPSK demodulators 102a and 102b; First and second Viterbi / Lead-Solomon decoders 104a and 104b; First and second demultiplexers 106a and 106b; Decryption unit 108; Digital VCR 110; Audio / video decoder 112; Switching rich management system 128; A modem unit 130; And a skat card 132, according to the present invention, while the viewer is currently watching a satellite broadcast, the program being recorded on another channel can be recorded and played again.

Description

Digital VCR Combined Digital Satellite Broadcast Receiver.

Since this is an open matter, no full text was included.

3 is a block diagram of a digital TVCR combined digital satellite broadcasting receiver according to the present invention;

Claims (1)

First and second tuners 100a and 100b which receive a transport stream from a satellite received at an antenna and tune a transport stream desired by a viewer; First and second QPSK demodulators (102a and 102b) for performing QPSK demodulation by receiving QPSK modulated signals tuned by the first tuner (100a) and the second tuner (100b); First and second Viterbi / Lead Solomon decoding the Viterbi / Lead-Solomon coded signals received by the QPSK demodulated signals from the first QPSK demodulator 102a and the second QPSK demodulator 102b. Decoders 104a and 104b; The first Viterbi / Lead-Solomon decoder 104a and the second Viterbi / Lead Solomon decoder 104b receive and demultiplex the Viterbi / Lead-Solomon decoded multiplexed transport streams of the channel desired by the viewer. First and second demultiplexers 106a and 106b for extracting only audio / video data; A decryption unit 108 for decrypting the data so that the subscriber can view the encrypted incoming signal; A digital VCR (110) for recording and reproducing audio / video data input from audio / video data extracted from the first demultiplexer (106a) and the second demultiplexer (106b); An audio / video decoder 112 that receives audio / video data and performs decoding; The audio / video data for the channel to be watched is output to the audio / video decoder 112, and the audio / video data for the channel to be recorded is output to the digital VCR 110. A switching unit 114 for outputting audio / video data recorded on a VCR to the audio / video decoder 112; A video encoder (116) for encoding an analog signal to receive and display video data from the audio / video decoder (112); A modulator (118) for modulating the video signal to output a high frequency signal; A D / A converter 120 which receives audio data from the audio / video decoder 112 and converts the audio data into an analog signal; An audio amplifier 122 for amplifying the D / A converted audio signal and outputting the amplified audio signal; A control unit 126 for controlling the entire system according to the received signal from the remote controller 124; A resource and subscriber management system 128 for controlling and monitoring subscriber access to the program and collecting and storing usage information from the subscriber receiving unit; A modem unit 130 for communication between the resource and subscriber management system 128 and a receiving side; And a smart card 132 that grants the right to decrypt the encrypted data so that only the subscriber having the right to receive the data can receive the data, and provides information about the paid program when the subscriber watches it. Digital VCR Combined Digital Satellite Broadcast Receiver. ※ Note: The disclosure is based on the initial application.