Multi-microphone noise reduction techniques as front-end devices for speech recognition

In this paper, we describe different multi-microphone noise reduction techniques as front-ends for a speaker-independent isolated word recognizer in an office environment. Our focus lies on examining the recognition rate if the noise source is not Gaussian and stationary, but a second speaker in the...

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Veröffentlicht in:	Speech communication 2001-04, Vol.34 (1), p.3-12
Hauptverfasser:	Bitzer, Joerg, Simmer, Klaus Uwe, Kammeyer, Karl-Dirk
Format:	Artikel
Sprache:	eng
Schlagworte:	Coherence Microphone arrays Multi-microphone noise reduction Speech recognition Superdirective beamformer
Online-Zugang:	Volltext
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