公开(公告)号：US20200312315A1

公开(公告)日：2020-10-01

申请号：US16368403

申请日：2019-03-28

Applicant: Apple Inc.

Inventor： Feipeng Li ,  Mehrez Souden ,  Joshua D. Atkins ,  John Bridle ,  Charles P. Clark ,  Stephen H. Shum ,  Sachin S. Kajarekar ,  Haiying Xia ,  Erik Marchi

IPC: G10L15/20

Abstract: An acoustic environment aware method for selecting a high quality audio stream during multi-stream speech recognition. A number of input audio streams are processed to determine if a voice trigger is detected, and if so a voice trigger score is calculated for each stream. An acoustic environment measurement is also calculated for each audio stream. The trigger score and acoustic environment measurement are combined for each audio stream, to select as a preferred audio stream the audio stream with the highest combined score. The preferred audio stream is output to an automatic speech recognizer. Other aspects are also described and claimed.