PBSM: Backdoor attack against Keyword spotting based on pitch boosting and sound masking.

Hanbo Cai Pengcheng Zhang Hai Dong Yan Xiao Shunhui Ji

Published in: CoRR (2022)

Keyphrases

keyword spotting
speech recognition
musical instrument
hidden markov models
printed documents
speech processing
handwritten documents
feature selection
pattern recognition
machine learning
natural language
signal processing
n gram
automatic speech recognition