Patent ID: 9714839
Date: 2017-07-25
CPC Classifications: G01C

Claim:
1. A method for announcing content information in a navigation system, wherein the content information relates to non guidance-direction instructions, the method comprising the steps of: receiving route information, the route information comprising a plurality of route segments that constitute a route from a start point to an end point, each route segment having an estimated time period for completion; receiving the content information which is to be announced; determining, by a processor, whether one or more of the route segments comprises an estimated time period for completion which is above a threshold value and, if so, allocating such route segments as silent route segments; partitioning the content information into a plurality of content information segments including a first content information segment and a second content information segment; announcing the first content information segment in a first silent route segment; and announcing the second content information segment in a second silent route segment, wherein a first route segment of the plurality of route segments is allocated as a first silent route segment, a second route segment of the plurality of route segments is allocated as a second silent route segment, the partitioning step comprises the steps of: a) forming a list of the silent route segments and an associated duration of each silent route segment and b) partitioning the content information such that a) the duration of the first content information segment is a function of the duration of the first silent route segment and b) the duration of the second content information segment is a function of the duration of the second silent route segment.