Methods, systems, and computer program products for spoken language grammar evaluation

US7966180B2 · kind B2 · utility

Assignee

• Nuance Communications, Inc. · US

Inventors

• Rajni Bajaj · Manesar, IN
• Sreeram Viswanath Balakrishnan · New Delhi, IN
• Mridula Bhandari · Manesar, IN
• Lyndon J. D'Silva · Manesar, IN
• Sandeep Jindal · Chandigarh, IN
• Pooja Kumar · New Delhi, IN
• Nitendra Rajput · New Delhi, IN
• Ashish Verma · New Delhi, IN

Key dates

• Filing date: Mar 26, 2008
• Grant date: Jun 21, 2011
• Expiry date: Mar 3, 2029

Classification

• Technology area (CPC G): Physics
• CPC primary: G09B19/04
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A method, system, and computer program product for spoken language grammar evaluation are provided. The method includes playing a recorded question to a candidate, recording a spoken answer from the candidate, and converting the spoken answer into text. The method further includes comparing the text to a grammar database, calculating a spoken language grammar evaluation score based on the comparison, and outputting the spoken language grammar evaluation score.