7.1

文档摘要

7.1 AIAI——AI——7.1 AI AI7.1 ASRTTSAIAIAIAI AI “”AI Automatic Speech Recognition, ASR“”Text-to-Speech, TTS“”AI“”“” “” “”AI ——AI 1.1 ASR“” Siri“” ASR “”“” ASR ASR Acoustic Feature Extraction MFCCPLPFbank Acoustic Model, AM “” HMMGMMDNNRNNLSTMCNNTransformer Pronunciation Dictionary/Lexicon “apple” /æ/ /p/ /əl/ Language Model, LM “”