Noise Robust Voice UI Technology and Its Applications
Masanori Tsujikawa, Koji Okabe, Ken Hanazawa · NEC technical journal · 2013
This paper introduces a technology of noise-robust speech recognition to correctly recognize a user’s speech even in places with a high level of background noise and immediately respond to it, together with applications of this technology. Voice UI is useful when the user’s hands or eyes are busy, but the background noise may cause false operations. The accurate detection of the user’s speech using two microphones and the noise reduction with speech patterns suitable for speech recognition; these techniques enable applications of speech recognition in domains where this has previously been regarded as being difficult. In addition, these techniques also enable the usage of voice UI more natural.