people

Rathinavelu Chengalvarayan

Chengalvarayan, Rathinavelu
180 Park Ave - Building 103
Florham Park, NJ
http://www.linkedin.com/pub/rathi-chengalvarayan/6/2a7/645
Subject matter expert in Robust Feature Extraction, Signal Conditioning, Discriminative Acoustic Modeling, Speaker and Environmental Adaptation for Multilingual Speech Recognition

Technical Documents

Segmentation Strategies for Streaming Speech Translation
Vivek Rangarajan, John Chen, Srinivas Bangalore, Andrej Ljolje, Rathinavelu Chengalvarayan
NAACL-HLT,  2013.  [PDF]  [BIB]

Patents

Method and system for dynamic nametag scoring
Rathinavelu Chengalvarayan, et al
US8626506B2,  2014.  [PDF]  [BIB]

Distinguishing out-of-vocabulary speech from in-vocabulary speech
Rathinavelu Chengalvarayan, et al
US8688451B2,  2014.  [PDF]  [BIB]

Transient noise rejection for speech recognition
Rathinavelu Chengalvarayan, et al
US8560313B2,  2013.  [PDF]  [BIB]

Nametag confusability determination
Rathinavelu Chengalvarayan, et al
US8438028B2,  2013.  [PDF]  [BIB]

Method of using microphone characteristics to optimize speech recognition performance
Rathinavelu Chengalvarayan, et al
US8600741B2,  2013.  [PDF]  [BIB]

Method of recognizing speech
Rathinavelu Chengalvarayan, et al
US8374868B2,  2013.  [PDF]  [BIB]

Method of intelligent vehicle dialing
Rathinavelu Chengalvarayan, et al
US8532674B2,  2013.  [PDF]  [BIB]

In-vehicle circumstantial speech recognition
Rathinavelu Chengalvarayan, et al
US8423362B2,  2013.  [PDF]  [BIB]

Correcting substitution erros during automatic speech recognition by accepting a second best when first best is confusable
Rathinavelu Chengalvarayan, et al
US8600760B2,  2013.  [PDF]  [BIB]

Automated distortion classification
Rathinavelu Chengalvarayan, et al
US8438030B2,  2013.  [PDF]  [BIB]

Voice dialing using a rejection reference
Rathinavelu Chengalvarayan, et al
US8296145B2,  2012.  [PDF]  [BIB]

Voice dialing using a rejection reference
Rathinavelu Chengalvarayan, et al
US8055502B2,  2011.  [PDF]  [BIB]

Speech to DTMF generation
Rathinavelu Chengalvarayan, et al
US8050928B2,  2011.  [PDF]  [BIB]

Sampling rate independent speech recognition
Rathinavelu Chengalvarayan, et al
US7983916B2,  2011.  [PDF]  [BIB]

Method of recognizing speech from a plurality of speaking locations within a vehicle
Rathinavelu Chengalvarayan, et al
US8054990B2,  2011.  [PDF]  [BIB]

Ambient noise injection for use in speech recognition
Rathinavelu Chengalvarayan, et al
US7881929B2,  2011.  [PDF]  [BIB]

Speech recognition method and system
Rathinavelu Chengalvarayan, et al
US7729911,  2010.  [PDF]  [BIB]

Method and system for modifying nametag files for transfer between vehicles
Rathinavelu Chengalvarayan, et al
US7711358,  2010.  [PDF]  [BIB]

Automated speech recognition using normalized in-vehicle speech
Rathinavelu Chengalvarayan, et al
US7676363,  2010.  [PDF]  [BIB]

Applying speech recognition adaptation in an automated speech recognition system of a telematics-equipped vehicle
Rathinavelu Chengalvarayan, et al
US7725316,  2010.  [PDF]  [BIB]

Management of nametags in a vehicle communications system
Rathinavelu Chengalvarayan, et al
US7596370,  2009.  [PDF]  [BIB]

Method and apparatus for improved speech recognition with supplementary information
Rathinavelu Chengalvarayan, et al
US6983244,  2006.  [PDF]  [BIB]

Speech recognizer performance in car and home applications utilizing novel multiple microphone configurations
Rathinavelu Chengalvarayan, et al
US6889189,  2005.  [PDF]  [BIB]

HMM-based echo model for noise cancellation avoiding the problem of false triggers
Rathinavelu Chengalvarayan, et al
US6606595,  2003.  [PDF]  [BIB]

Hierarchial subband linear predictive cepstral features for HMM-based speech recognition
Rathinavelu Chengalvarayan, et al
US6292776,  2001.  [PDF]  [BIB]

Use of periodicity and jitter for automatic speech recognition
Rathinavelu Chengalvarayan, et al
US6055499,  2000.  [PDF]  [BIB]

Speaker adaptation using discriminative linear regression on time-varying mean parameters in trended HMM
Rathinavelu Chengalvarayan, et al
US6112175,  2000.  [PDF]  [BIB]

Linear trajectory models incorporating preprocessing parameters for speech recognition
Rathinavelu Chengalvarayan, et al
US6076058,  2000.  [PDF]  [BIB]

Publications

The AT&T Speech API: A Study on Practical Challenges for Customized Speech to Text Service
Evandro Gouvea, Antonio Moreno-Daniel, Aarthi Reddy, Rathinavelu Chengalvarayan, David Thomson, Andrej Ljolje
Proceedings of the 14th Annual Conference of the International Speech Communication Association (INTERSPEECH),  2013.  [PDF]  [BIB]



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