sistema receptor de radiofusão, código de programa de computador, código de computador, computador, e, mídia legível por computador

摘要

A broadcast receiver system comprising: a tuner circuit operable to detect a plurality of modulated radio frequency signals, including TV broadcast signals, and comprising at least one signal path each comprising an analogue mixer and analogue filter circuitry arranged respectively to frequency convert and pre-select received analogue signals; further circuitry comprising an analogue to digital converter and digital filter circuitry; a data interface to a software demodulation module operable to engage a general purpose processor of a computer in data demodulation and decoding functions; a control, interface; and a microcontroller arranged to receive control information from said computer via the control interface.