| 摘要 |
A digital video broadcasting complex module is provided to reproduce SD(Standard Definition) digital video broadcasting through an SD demodulator when reproducing SD satellite broadcasting and perform SD satellite broadcasting signal record and data communication also through a switching circuit by using an HD(High Definition) demodulator. An SD digital video broadcasting tuner(21) and an SD digital video broadcasting demodulator(22) demodulate an SD digital video broadcasting signal. An HD digital video broadcasting tuner(23) and an HD digital video broadcasting demodulator(24) demodulate an HD digital video broadcasting signal. A switching circuit(25) switches and transmits the SD digital video broadcasting signal and a data communication signal between the SD digital video tuner and the HD digital video broadcasting demodulator.
|
