Patent ID: 7613565
Filing Date: 2009-11-03
Classification: G01C

Abstract:
1. A voice navigation device, comprising: a receiver, receiving more than one traffic condition message; a voice-guidance-item priority weight data base, which is used to store a voice-guidance-item priority weight table including at least two groups of voice-guidance-item each having different priority weight, with each said voice-guidance-item group including more than one voice-guidance-item, said voice-guidance-item corresponds to said traffic condition message; a voice-guidance-item broadcasting unit, which is used to obtain said voice-guidance-item to broadcast; and a processor connected to the receiver, the voice-guidance-item priority weight data base, and the voice-guidance-item broadcasting unit, so that when said traffic condition message is received at said receiver, said processor is used to obtain the corresponding voice-guidance-item from the voice-guidance-item priority weight data base, which is provided to the voice-guidance-item broadcasting unit to broadcast; and if another traffic condition message is received while the broadcasting of the original voice-guidance-item is still in progress, then another corresponding voice-guidance-item is obtained from said voice-guidance-item priority weight data base, and the priority weight of the original voice-guidance-item and that of the newly obtained voice-guidance-item are evaluated and compared, after the broadcasting of the voice-guidance-item having higher priority weight has finished, then the voice-guidance-item having lower priority weight is broadcasted.