Message recognition using shared language model

• US 20050171783A1
• Filed: 03/22/2005
• Published: 08/04/2005
• Est. Priority Date: 07/17/1999
• Status: Active Grant

• Current Assignee: Buffalo Patents, LLC
• Original Assignee: Optical Research Partners LLC (Intellectual Ventures LLC)
• Inventors: Suominen, Edwin A.
• Granted Patent: US 8,204,737 B2
• Time in Patent Office: Days
• US Class Current: 704/276
• CPC Class Codes: G06F 3/167 Audio in a user interface, e.g. using voice commands for navigating, audio feedback
• CPC Class Codes: G10L 15/22 Procedures used during a speech recognition process, e.g. man-machine dialogue

Abstract

A system is disclosed for generating text responsive to both voice and handwriting input, including a microphone, stylus, and a tablet having an flat-panel display integrated into its surface. The system performs speech and handwriting recognition using a shared language model, which in one embodiment is trainable responsive to user correction of errors in either speech or handwriting recognition. Various other systems and methods are also disclosed.

Claims

1-80. -80. (canceled)

81. A system for generating text responsive to both voice and handwriting input, comprising:

(a) a microphone;

(b) a stylus; and

(c) a tablet including (1) a tablet surface, (2) a flat-panel display integrated into the tablet surface and responsive to freehand input conveyed via manipulation of the stylus on or near the tablet surface to render ink-like indicia of the freehand input, and (3) a message recognizer including a speech recognizer and a handwriting recognizer;

(d) wherein the speech recognizer is responsive to voice input conveyed via the microphone to provide text data in accordance with both a shared language model and an acoustic model; and

(e) the handwriting recognizer is responsive to freehand input conveyed via the stylus to provide text data in accordance with both the shared language model and a handwriting model.

82. The system of claim 81 wherein the microphone is not head-mounted.

83. The system of claim 82 wherein the microphone is housed in the stylus.