Robust speech recognition in additive and channel noise environments using GMM and EM algorithm - Fujimoto, M.; Riki, Y.A. (2004 IEEE International Conference on Acoustics, Speech and Signal Processing, 2004)
Keywords: Acoustic noise; Additive noise; Applied sciences; Detection, estimation, filtering, equalization, prediction; Exact sciences and technology; Information, signal and communications theory; Microphones; Noise robustness; Signal and communications theory; Signal processing; Signal, noise; Speech analysis; Speech enhancement; Speech processing; Speech recognition; Systems, networks and services of telecommunications; Telecommunications; Telecommunications and information theory; Testing; Transfer functions; Transmission and modulation (techniques and equipments); Working environment noise; Additive noise; Parameter estimation; Microphone; Acoustic signal; Mixture theory; Background noise; Mismatching; Characteristic function; Discrimination; Gaussian process; Vocal signal; Channel estimation; Speech recognition; Noise immunity; Transfer function; EM algorithm; Speech processing