Digital broadcast transmitter/receiver having an improved...

Details Digital broadcast transmitter/receiver having an improved... Digital broadcast transmitter/receiver having an improved...

H - Electricity

04

N

H04N 21/2365 (2011.01) H04N 5/44 (2011.01) H04N 5/93 (2006.01) H04N 7/64 (2006.01)

Patent

CA 2685283

A digital broadcast receiver comprises a tuner for receiving a stream, a demodulator for demodulating the received stream and an equalizer for equalizing the demodulated stream. The stream is transmitted from a digital broadcast transmitter which includes a Trellis encoder having a first memory and a first multiplexer (MUX) for outputting an input signal or a value stored in the first memory according to a control signal and a first adder for adding a value output by the first MUX and the value stored in the first memory. The Trellis encoder further includes a second memory, a third memory to be connected to the second memory and store a value shifted from the second memory, a second MUX for outputting an input signal or a value stored in the third memory according to the control signal, and a second adder for adding a value output by the second MUX and the value stored in the third memory and providing the second memory with the added value.

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