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Embedded Multimedia System and Related Digital Audio Broadcasting Demodulator

  • US 20090207942A1
  • Filed: 10/16/2008
  • Published: 08/20/2009
  • Est. Priority Date: 02/19/2008
  • Status: Abandoned Application
First Claim
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1. A digital broadcasting demodulator for an embedded multimedia system, the embedded multimedia system comprising an antenna and an analog demodulator for playing analog audio broadcasting signals, the digital broadcasting demodulator comprising:

  • a digital broadcasting transformation module comprising an input end and an output end, for receiving digital audio signals through the input end, transforming the received digital audio signals into analog audio signals, and outputting the analog audio signals via the output end; and

    a switch module comprising;

    a first end coupled to the antenna;

    a second end coupled to the analog demodulator;

    a third end coupled to the output end of the digital broadcasting transformation module;

    a fourth end coupled to the input end of the digital broadcasting transformation module; and

    a switch unit coupled to the first end, the second end, the third end, and the fourth end, for conducting a signal connection between the first end and the second end, or conducting signal connections between the first end and the fourth end and between the third end and the second end, according to an operating mode of the embedded multimedia system.

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