Invention Grant
- Patent Title: Radio receiver having digital signal processing
- Patent Title (中): 具有数字信号处理的无线电接收机
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Application No.: US343413Application Date: 1995-02-14
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Publication No.: US5661809APublication Date: 1997-08-26
- Inventor: Djahanyar Chahabadi , Matthias Herrmann , Lothar Vogt , Juergen Kaesser
- Applicant: Djahanyar Chahabadi , Matthias Herrmann , Lothar Vogt , Juergen Kaesser
- Applicant Address: DEX Hildesheim
- Assignee: Blaupunkt-Werke GmbH
- Current Assignee: Blaupunkt-Werke GmbH
- Current Assignee Address: DEX Hildesheim
- Priority: DEX4309518.6 19930324
- Main IPC: H03H17/04
- IPC: H03H17/04 ; H03H17/02 ; H04B1/10 ; H04B1/16 ; H04B1/26 ; H04B1/30 ; H04B1/64 ; H04H20/88 ; H04H5/00
Abstract:
A radio receiver is provided having digital signal processing, a first and a second auxiliary signal derived from a received stereo multiplex signal, the first auxiliary signal being dependent upon the existence of signal components, whose frequency lies above the fundamental frequency range of the stereo multiplex signal, and the second auxiliary signal being dependent upon the symmetry of the sidebands of the stereo subcarrier. The first and the second auxiliary signal are combined to form an interference signal indicating the existence of interference. At least one control signal is derived from the interference signal to influence the audio signals acquired by decoding the stereo multiplex signal.
Public/Granted literature
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