Ravichander Vipperla

According to our database, Ravichander Vipperla authored at least 24 papers between 2008 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2022

CN-Celeb: Multi-genre speaker recognition.

Lantian Li, Ruiqi Liu, Jiawen Kang, Yue Fan, Hao Cui, Yunqi Cai, Ravichander Vipperla, Thomas Fang Zheng, Dong Wang

Speech Commun., 2022

2021

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, Mohamed S. Abdelfattah, Samin Ishtiaq, Nicholas Donald Lane

Proceedings of the 9th International Conference on Learning Representations, 2021

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

Proceedings of the Interspeech 2020, 2020

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

Proceedings of the Interspeech 2020, 2020

2019

Learning to Listen... On-Device: Present and future perspectives of on-device ASR.

Ravichander Vipperla, Samin Ishtiaq, Rui Li, Sourav Bhattacharya, Ilias Leontiadis, Nicholas D. Lane

GetMobile Mob. Comput. Commun., 2019

ShrinkML: End-to-End ASR Model Compression Using Reinforcement Learning.

Lukasz Dudziak, Mohamed S. Abdelfattah, Ravichander Vipperla, Stefanos Laskaridis, Nicholas D. Lane

Proceedings of the Interspeech 2019, 2019

2017

Collaborative Joint Training With Multitask Recurrent Model for Speech and Speaker Recognition.

Zhiyuan Tang, Lantian Li, Dong Wang, Ravichander Vipperla

IEEE ACM Trans. Audio Speech Lang. Process., 2017

2013

Online Non-Negative Convolutive Pattern Learning for Speech Signals.

Dong Wang, Ravichander Vipperla, Nicholas W. D. Evans, Thomas Fang Zheng

IEEE Trans. Signal Process., 2013

Evolutionary discriminative confidence estimation for spoken term detection.

Javier Tejedor, Alejandro Echeverría, Dong Wang, Ravichander Vipperla

Multim. Tools Appl., 2013

A new speaker verification spoofing countermeasure based on local binary patterns.

Federico Alegre, Ravichander Vipperla, Asmaa Amehraye, Nicholas W. D. Evans

Proceedings of the INTERSPEECH 2013, 2013

2012

Direct posterior confidence for out-of-vocabulary spoken term detection.

Dong Wang, Simon King, Joe Frankel, Ravichander Vipperla, Nicholas W. D. Evans, Raphaël Troncy

ACM Trans. Inf. Syst., 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

Proceedings of the INTERSPEECH 2012, 2012

Phone Adaptive Training for Speaker Diarization.

Simon Bozonnet, Ravichander Vipperla, Nicholas W. D. Evans

Proceedings of the INTERSPEECH 2012, 2012

Spoofing countermeasures for the protection of automatic speaker recognition systems against attacks with artificial signals.

Federico Alegre, Ravichander Vipperla, Nicholas W. D. Evans

Proceedings of the INTERSPEECH 2012, 2012

Speech overlap detection and attribution using convolutive non-negative sparse coding.

Ravichander Vipperla, Jürgen T. Geiger, Simon Bozonnet, Dong Wang, Nicholas W. D. Evans, Björn W. Schuller, Gerhard Rigoll

Proceedings of the 2012 IEEE International Conference on Acoustics, 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

Proceedings of the 20th European Signal Processing Conference, 2012

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

Proceedings of the 20th European Signal Processing Conference, 2012

2011

Parallel and Hierarchical Decision Making for Sparse Coding in Speech Recognition.

Dong Wang, Ravichander Vipperla, Nicholas W. D. Evans

Proceedings of the INTERSPEECH 2011, 2011

Online Pattern Learning for Non-Negative Convolutive Sparse Coding.

Dong Wang, Ravichander Vipperla, Nicholas W. D. Evans

Proceedings of the INTERSPEECH 2011, 2011

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

Augmentation of adaptation data.

Ravichander Vipperla, Steve Renals, Joe Frankel

Proceedings of the INTERSPEECH 2010, 2010

2009

Age recognition for spoken dialogue systems: do we need it?

Maria Klara Wolters, Ravichander Vipperla, Steve Renals

Proceedings of the INTERSPEECH 2009, 2009

Speech Input from Older Users in Smart Environments: Challenges and Perspectives.

Ravichander Vipperla, Maria Klara Wolters, Kallirroi Georgila, Steve Renals

Proceedings of the Universal Access in Human-Computer Interaction. Intelligent and Ubiquitous Interaction Environments, 2009

2008

Longitudinal study of ASR performance on ageing voices.

Ravichander Vipperla, Steve Renals, Joe Frankel

Proceedings of the INTERSPEECH 2008, 2008