Coder-decoder using single simulation to digital transducer and signal processing method

This invention provides one coding and signal process method to operates single mode digital converter and several analogue signals, which comprises the following parts: one multi-catch modulation module to module several analogue signals into one first multiple memory catch signals to load several first analogue signals; one analogue digital converter coupled to the modulation to sample first multiple catch signals for analogue digital conversion to generate one second memory catch signals; multiple memory demodulation module coupled to analogue digital converter.