Noise robust segment-based word recognition using vector quantisation. - Ramalingam Hariharan; Juha Häkkinen; Kari Laurila; Janne Suontausta (EUROSPEECH, 1997)

Noise robust two-stream auditory feature extraction method for speech recognition. - Jilei Tian; Ramalingam Hariharan; Kari Laurila (ICSLP, 1998)

Improved feature vector normalization for noise robust connected speech recognition. - Juha Häkkinen; Janne Suontausta; Ramalingam Hariharan; Marcel Vasilache; Kari Laurila (EUROSPEECH, 1999)

On combining vocal tract length normalisation and speaker adaptation for noise robust speech recognition. - Ramalingam Hariharan; Olli Viikki (EUROSPEECH, 1999)

Hands-free voice activation in noisy car environment. - Juha Iso-Sipilä; Kari Laurila; Ramalingam Hariharan; Olli Viikki (EUROSPEECH, 1999)

Multi-resolution front-end for noise robust speech recognition. - Ramalingam Hariharan; Imre Kiss; Olli Viikki; Jilei Tian (INTERSPEECH, 2000)

High performance connected digit recognition through gender-dependent acoustic modelling and vocal tract length normalisation. - Ramalingam Hariharan; Olli Viikki (INTERSPEECH, 2000)

Robust end-of-utterance detection for real-time speech recognition applications. - Ramalingam Hariharan; Juha Häkkinen; Kari Laurila (ICASSP, 2001)

Noise robust speech parameterization using multiresolution feature extraction. - Ramalingam Hariharan; Imre Kiss; I. Viikki (IEEE Trans. Speech Audio Process., 2001)

An integrated study of speaker normalisation and HMM adaptation for noise robust speaker-independent speech recognition. - Ramalingam Hariharan; Olli Viikki (Speech Commun., 2002)