| 摘要 |
An audio apparatus is provided that permits selection of either analog or digital audio signals in execution of a scan operation. A radio receiver 300 comprises a tuner 320 capable of receiving carrier wave signals including at least an analog audio signal and a digital audio signal, a microcomputer 380 for controlling the tuner to search for a receivable broadcast station in sequence, and to receive the carrier wave signal from the broadcast station searched for during a certain period of time, a switch 350 for selecting one audio signal from the analog audio signal and the digital audio signal sent from the tuner 320 during the scan operation, and a speaker 390 for reproducing the audio signal selected by the switch 350.
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