Stateful, double-buffered dynamic navigation voice prompting
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United States of America Patent
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Jan 17, 2012
Grant Date -
May 14, 2009
app pub date -
Oct 17, 2008
filing date -
Nov 14, 2007
priority date (Note) -
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Abstract
A navigation system written in J2ME MIDP for a client device includes a plurality of media players each respectively comprising a buffer. A navigation program manages the state of the plurality of media players. The plurality of media players are in either one of an acquiring resources state, and a playing and de-allocating state. The use of a plurality of media players each respectively comprising a buffer overcomes the prior art in which navigation system can cut off a voice prompt because of the time-consuming tasks associated with playing a voice prompt.
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