Improving Acoustic Echo Cancellation for Voice Assistants Using Neural Echo Suppression and Multi-Microphone Noise Reduction. - Heitkaemper, Jens; Narayanan, Arun; Shabestary, Turaj Zakizadeh; Panchapagesan, Sankaran; Walker, James; Gajare, Bhalchandra; Regev, Shlomi; Dudani, Ajay; Gruenstein, Alexander (2024)

On Training a Neural Residual Acoustic Echo Suppressor for Improved ASR. - Panchapagesan, Sankaran; Shabestary, Turaj Zakizadeh; Narayanan, Arun (2023)

SNRi Target Training for Joint Speech Enhancement and Recognition. - Koizumi, Yuma; Karita, Shigeki; Narayanan, Arun; Panchapagesan, Sankaran; Bacchiani, Michiel (2022)

A Conformer-based Waveform-domain Neural Acoustic Echo Canceller Optimized for ASR Accuracy. - Panchapagesan, Sankaran; Narayanan, Arun; Shabestary, Turaj Zakizadeh; Shao, Shuai; Howard, Nathan; Park, Alex; Walker, James; Gruenstein, Alexander (2022)

Learning Mask Scalars for Improved Robust Automatic Speech Recognition. - Narayanan, Arun; Walker, James; Panchapagesan, Sankaran; Howard, Nathan; Koizumi, Yuma (2022)

Mask scalar prediction for improving robust automatic speech recognition. - Narayanan, Arun; Walker, James; Panchapagesan, Sankaran; Howard, Nathan; Koizumi, Yuma (CoRR, 2022)

A Conformer-based Waveform-domain Neural Acoustic Echo Canceller Optimized for ASR Accuracy. - Panchapagesan, Sankaran; Narayanan, Arun; Shabestary, Turaj Zakizadeh; Shao, Shuai; Howard, Nathan; Park, Alex; Walker, James; Gruenstein, Alexander (CoRR, 2022)

Efficient Knowledge Distillation for RNN-Transducer Models. - Panchapagesan, Sankaran; Park, Daniel S.; Chiu, Chung-Cheng; Shangguan, Yuan; Liang, Qiao; Gruenstein, Alexander (2021)

SNRi Target Training for Joint Speech Enhancement and Recognition. - Koizumi, Yuma; Karita, Shigeki; Narayanan, Arun; Panchapagesan, Sankaran; Bacchiani, Michiel (CoRR, 2021)

Efficient Knowledge Distillation for RNN-Transducer Models. - Panchapagesan, Sankaran; Park, Daniel S.; Chiu, Chung-Cheng; Shangguan, Yuan; Liang, Qiao; Gruenstein, Alexander (CoRR, 2020)

Monophone-Based Background Modeling for Two-Stage On-Device Wake Word Detection. - Wu, Minhua; Panchapagesan, Sankaran; Sun, Ming; Gu, Jiacheng; Thomas, Ryan; Vitaladevuni, Shiv Naga Prasad; Hoffmeister, Björn; Mandal, Arindam (2018)

Data Augmentation for Robust Keyword Spotting under Playback Interference. - Raju, Anirudh; Panchapagesan, Sankaran; Liu, Xing; Mandal, Arindam; Strom, Nikko (CoRR, 2018)

Direct modeling of raw audio with DNNS for wake word detection. - Kumatani, Ken'ichi; Panchapagesan, Sankaran; Wu, Minhua; Kim, Minjae; Strom, Nikko; Tiwari, Gautam; Mandal, Arindam (2017)

Compressed Time Delay Neural Network for Small-Footprint Keyword Spotting. - Sun, Ming; Snyder, David; Gao, Yixin; Nagaraja, Varun K.; Rodehorst, Mike; Panchapagesan, Sankaran; Strom, Nikko; Matsoukas, Spyros; Vitaladevuni, Shiv (2017)

Max-Pooling Loss Training of Long Short-Term Memory Networks for Small-Footprint Keyword Spotting. - Sun, Ming; Raju, Anirudh; Tucker, George; Panchapagesan, Sankaran; Fu, Gengshen; Mandal, Arindam; Matsoukas, Spyros; Strom, Nikko; Vitaladevuni, Shiv (CoRR, 2017)

Multi-Task Learning and Weighted Cross-Entropy for DNN-Based Keyword Spotting. - Panchapagesan, Sankaran; Sun, Ming; Khare, Aparna; Matsoukas, Spyros; Mandal, Arindam; Hoffmeister, Björn; Vitaladevuni, Shiv (2016)

Model Compression Applied to Small-Footprint Keyword Spotting. - Tucker, George; Wu, Minhua; Sun, Ming; Panchapagesan, Sankaran; Fu, Gengshen; Vitaladevuni, Shiv (2016)

Max-pooling loss training of long short-term memory networks for small-footprint keyword spotting. - Sun, Ming; Raju, Anirudh; Tucker, George; Panchapagesan, Sankaran; Fu, Gengshen; Mandal, Arindam; Matsoukas, Spyros; Strom, Nikko; Vitaladevuni, Shiv (2016)

Frequency warping for VTLN and speaker adaptation by linear transformation of standard MFCC. - Panchapagesan, Sankaran; Alwan, Abeer (Comput. Speech Lang., 2009)

Vocal tract inversion by cepstral analysis-by-synthesis using chain matrices. - Panchapagesan, Sankaran; Alwan, Abeer (2008)

Multi-Parameter Frequency Warping for Vtln by Gradient Search. - Panchapagesan, Sankaran; Alwan, Abeer (2006)

Frequency warping by linear transformation of standard MFCC. - Panchapagesan, Sankaran (2006)