Keyword 唤醒词检测（Keyword spotting, trigger word detection）
https://github.com/topics/trigger-word-detection
参考论文：
#Michaely, Assaf Hurwitz, et al. "Keyword spotting for google assistant using contextual speech recognition." 2017 IEEE Automatic Speech Recognition and Understanding Workshop (ASRU). IEEE, 2017.
#Anchored Speech Detection, InterSpeech,2016
#Convolutional Neural Networks for Small-footprint Keyword Spottin, InterSpeech, 2015
#Small-footprint keyword spotting using deep neural networks, ICASSP, 2014