Longitudinal study of ASR performance on ageing voices. - Ravichander Vipperla; Steve Renals; Joe Frankel (INTERSPEECH, 2008)

Speech Input from Older Users in Smart Environments: Challenges and Perspectives. - Ravichander Vipperla; Maria Klara Wolters; Kallirroi Georgila; Steve Renals (HCI (6), 2009)

Age recognition for spoken dialogue systems: do we need it? - Maria Klara Wolters; Ravichander Vipperla; Steve Renals (INTERSPEECH, 2009)

Augmentation of adaptation data. - Ravichander Vipperla; Steve Renals; Joe Frankel (INTERSPEECH, 2010)

Ageing Voices: The Effect of Changes in Voice Parameters on ASR Performance. - Ravichander Vipperla; Steve Renals; Joe Frankel (EURASIP J. Audio Speech Music. Process., 2010)

Online Pattern Learning for Non-Negative Convolutive Sparse Coding. - Dong Wang 013; Ravichander Vipperla; Nicholas W. D. Evans (INTERSPEECH, 2011)

Parallel and Hierarchical Decision Making for Sparse Coding in Speech Recognition. - Dong Wang 013; Ravichander Vipperla; Nicholas W. D. Evans (INTERSPEECH, 2011)

On the vulnerability of automatic speaker recognition to spoofing attacks with artificial signals. - Federico Alegre; Ravichander Vipperla; Nicholas W. D. Evans; Benoit G. B. Fauve (EUSIPCO, 2012)

Speech overlap detection using convolutive non-negative sparse coding: New improvements and insights. - Jürgen T. Geiger; Ravichander Vipperla; Nicholas W. D. Evans; Björn W. Schuller; Gerhard Rigoll (EUSIPCO, 2012)

Speech overlap detection and attribution using convolutive non-negative sparse coding. - Ravichander Vipperla; Jürgen T. Geiger; Simon Bozonnet; Dong Wang 013; Nicholas W. D. Evans; Björn W. Schuller; Gerhard Rigoll (ICASSP, 2012)

Spoofing countermeasures for the protection of automatic speaker recognition systems against attacks with artificial signals. - Federico Alegre; Ravichander Vipperla; Nicholas W. D. Evans (INTERSPEECH, 2012)

Phone Adaptive Training for Speaker Diarization. - Simon Bozonnet; Ravichander Vipperla; Nicholas W. D. Evans (INTERSPEECH, 2012)

Convolutive Non-Negative Sparse Coding and New Features for Speech Overlap Handling in Speaker Diarization. - Jürgen T. Geiger; Ravichander Vipperla; Simon Bozonnet; Nicholas W. D. Evans; Björn W. Schuller; Gerhard Rigoll (INTERSPEECH, 2012)

Direct posterior confidence for out-of-vocabulary spoken term detection. - Dong Wang 013; Simon King 001; Joe Frankel; Ravichander Vipperla; Nicholas W. D. Evans; Raphaël Troncy (ACM Trans. Inf. Syst., 2012)

A new speaker verification spoofing countermeasure based on local binary patterns. - Federico Alegre; Ravichander Vipperla; Asmaa Amehraye; Nicholas W. D. Evans (INTERSPEECH, 2013)

Evolutionary discriminative confidence estimation for spoken term detection. - Javier Tejedor; Alejandro Echeverría; Dong Wang 013; Ravichander Vipperla (Multim. Tools Appl., 2013)

Online Non-Negative Convolutive Pattern Learning for Speech Signals. - Dong Wang 013; Ravichander Vipperla; Nicholas W. D. Evans; Thomas Fang Zheng (IEEE Trans. Signal Process., 2013)

Collaborative Joint Training With Multitask Recurrent Model for Speech and Speaker Recognition. - Zhiyuan Tang; Lantian Li; Dong Wang 013; Ravichander Vipperla (IEEE ACM Trans. Audio Speech Lang. Process., 2017)

ShrinkML: End-to-End ASR Model Compression Using Reinforcement Learning. - Lukasz Dudziak; Mohamed S. Abdelfattah; Ravichander Vipperla; Stefanos Laskaridis; Nicholas D. Lane (INTERSPEECH, 2019)

Learning to Listen... On-Device: Present and future perspectives of on-device ASR. - Ravichander Vipperla; Samin Ishtiaq; Rui Li 052; Sourav Bhattacharya; Ilias Leontiadis; Nicholas D. Lane (GetMobile Mob. Comput. Commun., 2019)

Iterative Compression of End-to-End ASR Model Using AutoML. - Abhinav Mehrotra; Lukasz Dudziak; Jinsu Yeo; Young-Yoon Lee; Ravichander Vipperla; Mohamed S. Abdelfattah; Sourav Bhattacharya; Samin Ishtiaq; Alberto Gil C. P. Ramos; SangJeong Lee; Daehyun Kim; Nicholas D. Lane (INTERSPEECH, 2020)

Bunched LPCNet: Vocoder for Low-Cost Neural Text-To-Speech Systems. - Ravichander Vipperla; Sangjun Park; Kihyun Choo; Samin Ishtiaq; Kyoungbo Min; Sourav Bhattacharya; Abhinav Mehrotra; Alberto Gil C. P. Ramos; Nicholas D. Lane (INTERSPEECH, 2020)

NAS-Bench-ASR: Reproducible Neural Architecture Search for Speech Recognition. - Abhinav Mehrotra; Alberto Gil C. P. Ramos; Sourav Bhattacharya; Lukasz Dudziak; Ravichander Vipperla; Thomas Chau 001; Mohamed S. Abdelfattah; Samin Ishtiaq; Nicholas Donald Lane (ICLR, 2021)

CN-Celeb: Multi-genre speaker recognition. - Lantian Li; Ruiqi Liu; Jiawen Kang 002; Yue Fan; Hao Cui; Yunqi Cai; Ravichander Vipperla; Thomas Fang Zheng; Dong Wang 013 (Speech Commun., 2022)

Expressive Machine Dubbing Through Phrase-level Cross-lingual Prosody Transfer. - Jakub Swiatkowski; Duo Wang; Mikolaj Babianski; Giuseppe Coccia; Patrick Lumban Tobing; Ravichander Vipperla; Viacheslav Klimkov; Vincent Pollet (INTERSPEECH, 2023)

Cross-lingual Prosody Transfer for Expressive Machine Dubbing. - Jakub Swiatkowski; Duo Wang; Mikolaj Babianski; Patrick Lumban Tobing; Ravichander Vipperla; Vincent Pollet (INTERSPEECH, 2023)

Mapache: Masked Parallel Transformer for Advanced Speech Editing and Synthesis. - Guillermo Cámbara; Patrick Lumban Tobing; Mikolaj Babianski; Ravichander Vipperla; Duo Wang; Ron Shmelkin; Giuseppe Coccia; Orazio Angelini; Arnaud Joly; Mateusz Lajszczak; Vincent Pollet (ICASSP, 2024)