An Energy-Efficient Speech-Extraction Processor for Robust User Speech Recognition in Mobile Head-Mounted Display Systems

Jinmook Lee,Seongwook Park,Injoon Hong,Hoi-Jun Yoo

IEEE Transactions on Circuits and Systems II: Express Briefs（2017）

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摘要

An energy-efficient speech extraction (SE) processor is proposed for robust user speech recognition (SR) in head-mounted display (HMD) systems. User SE is essential for robust user SR in a noisy environment. For the low-latency SE, the FastSE algorithm is proposed to overcome the time-consuming constrained-independent-component-analysis-based user speech selection process, which results in <; 2-ms...

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关键词

Speech,Integrated circuits,Speech recognition,Memory management,Speech processing,Robustness,Microphones

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