ADAPTIVE NIGHT-TIME HIGH DEFINITION (HD) SIGNAL SENSITIVITY THRESHOLD FOR HD RADIO RECEIVERS

A vehicle has a lighting control module and a HD radio receiver. The lighting control module provides an indication of daytime operation of the vehicle and an indication of night-time operation of the vehicle. The HD radio receiver is configured for selecting between outputting digital format audio...

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Bibliographische Detailangaben
Hauptverfasser:	ELKINS CHARLES RAY, HELMKE JAMES W, TENGLER DAVE RICHARD
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A vehicle has a lighting control module and a HD radio receiver. The lighting control module provides an indication of daytime operation of the vehicle and an indication of night-time operation of the vehicle. The HD radio receiver is configured for selecting between outputting digital format audio content of a radio signal and outputting analog format audio content of the HD radio signal dependent upon a HD signal sensitivity threshold. The HD radio receiver sets the HD signal sensitivity threshold to one of a plurality of different night-time HD signal sensitivity threshold values as a function of a signal strength characteristic of the HD radio signal when the lighting control module provides the indication of night-time operation thereto. The HD radio receiver sets the HD signal sensitivity threshold to a daytime HD signal sensitivity threshold value when the lighting control module provides the indication of daytime operation thereto.