Data processing: measuring – calibrating – or testing – Measurement system – Orientation or position
Reexamination Certificate
2006-10-31
2006-10-31
Bui, Bryan (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Orientation or position
C702S152000, C702S153000, C340S988000, C340S990000
Reexamination Certificate
active
07130759
ABSTRACT:
A telemetric contextually based spatial audio system is integrated into a mobile terminal including a headset and antenna. The headset includes an electronic compass which determines head orientation data for the user. The terminal's geographical position can either be determined locally (e.g. onboard GPS) or by network triangulation. The orientation and position data are sent to a server which overlays the position and head orientation data onto a locally stored “floor plan”, describing an object(s) of interest. The floor plan relates the user's viewpoint to a database of contextual audio clips. A regionally significant portion of the database and respective triggers are sent to the terminal. The terminal using the database information recalculates which audio clip(s) to play. The terminal then convolves the respective audio clip(s) via an impulse response function so as to be perceived by the user as emanating from the exact spatial position of the object specified by the system.
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“Introductory Digital Signal Processing with Computer Applications”, by Paul A. Lynn et al., published by John Wiley & Sons, NY, NY, 1989, pp. 32-50.
Katz Joseph
Vollkommer Richard M.
Willins Bruce A.
Bui Bryan
Morgan & Finnegan , LLP
Symbol Technologies Inc.
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