公开(公告)号：US12243517B1

公开(公告)日：2025-03-04

申请号：US17500834

申请日：2021-10-13

Applicant: Interactions LLC

Inventor： Mahnoosh Mehrabani ,  Srinivas Bangalore

IPC: G10L15/18 ,  G10L15/02 ,  G10L15/06 ,  G10L15/08

Abstract: A task-oriented dialog system determines an endpoint in a user utterance by receiving incremental portions of a user utterance that is provided in real time during a task-oriented communication session between a user and a virtual agent (VA). The task-oriented dialog system recognizes words in the incremental portions using an automated speech recognition (ASR) model and generates semantic information for the incremental portions of the utterance by applying a natural language processing (NLP) model to the recognized words. An acoustic-prosodic signature of the incremental portions of the utterance is generated using an acoustic-prosodic model. The task-oriented dialog system can generate a feature vector that represents the incrementally recognized words, the semantic information, the acoustic-prosodic signature, and corresponding confidence scores of the model outputs. A model is applied to the feature vector to identify a likely endpoint in the user utterance.