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Karim Helwani
Karim Helwani
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Year
Poconet: Better speech enhancement with frequency-positional embeddings, semi-supervised conversational data, and biased loss
U Isik, R Giri, N Phansalkar, JM Valin, K Helwani, A Krishnaswamy
arXiv preprint arXiv:2008.04470, 2020
942020
A perceptually-motivated approach for low-complexity, real-time enhancement of fullband speech
JM Valin, U Isik, N Phansalkar, R Giri, K Helwani, A Krishnaswamy
arXiv preprint arXiv:2008.04259, 2020
822020
Improving event detection for audio surveillance using gabor filterbank features
JT Geiger, K Helwani
2015 23rd European Signal Processing Conference (EUSIPCO), 714-718, 2015
732015
Self-supervised classification for detecting anomalous sounds
R Giri, SV Tenneti, F Cheng, K Helwani, U Isik, A Krishnaswamy
502020
Low-complexity, real-time joint neural echo control and speech enhancement based on percepnet
JM Valin, S Tenneti, K Helwani, U Isik, A Krishnaswamy
ICASSP 2021-2021 IEEE International Conference on Acoustics, Speech and …, 2021
482021
Unsupervised anomalous sound detection using self-supervised classification and group masked autoencoder for density estimation
R Giri, SV Tenneti, K Helwani, F Cheng, U Isik, A Krishnaswamy
Challenge on Detection and Classification of Acoustic Scenes and Events …, 2020
482020
Sound signal processing apparatus and method for enhancing a sound signal
P Grosche, K Helwani, C Schörkhuber, F Zotter, R Höldrich, M Frank
US Patent 10,602,267, 2020
292020
Source-domain adaptive filtering for MIMO systems with application to acoustic echo cancellation
K Helwani, H Buchner, S Spors
2010 IEEE International Conference on Acoustics, Speech and Signal …, 2010
292010
Head related transfer function individualization for hearing device
K Helwani, CR Nakagawa, B Xu, Y Xing
US Patent 9,848,273, 2017
282017
Group masked autoencoder based density estimator for audio anomaly detection
R Giri, F Cheng, K Helwani, SV Tenneti, U Isik, A Krishnaswamy
252020
Local sound field synthesis by virtual acoustic scattering and time-reversal
S Spors, J Ahrens, K Helwani
Audio Engineering Society Convention 131, 2011
252011
Multichannel adaptive filtering with sparseness constraints
K Helwani, H Buchner, S Spors
IWAENC 2012; International Workshop on Acoustic Signal Enhancement, 1-4, 2012
232012
The synthesis of sound figures
K Helwani, S Spors, H Buchner
Multidimensional Systems and Signal Processing 25, 379-403, 2014
162014
Spatio-temporal signal preprocessing for multichannel acoustic echo cancellation
K Helwani, S Spors, H Buchner
2011 IEEE International Conference on Acoustics, Speech and Signal …, 2011
152011
On the robust and efficient computation of the Kalman gain for multichannel adaptive filtering with application to acoustic echo cancellation
K Helwani, H Buchner, S Spors
2010 Conference Record of the Forty Fourth Asilomar Conference on Signals …, 2010
142010
Ear-worn electronic device for conducting and monitoring mental exercises
ME Maques, S Akram, N Chatlani, K Helwani, CR Nakagawa, T Zhang
US Patent 10,617,842, 2020
132020
Block-based multichannel transform-domain adaptive filtering
S Spors, H Buchner, K Helwani
2009 17th European Signal Processing Conference, 1735-1739, 2009
122009
Audio signal processing device and method for reproducing a binaural signal
K Helwani, P Grosche, Y Lang
US Patent 9,838,825, 2017
92017
A single-channel MVDR filter for acoustic echo suppression
K Helwani, H Buchner, J Benesty, J Chen
IEEE Signal Processing Letters 20 (4), 351-354, 2013
92013
Localization algorithm for sound sources with known statistics
K Helwani, C Kainan, J Geiger
US Patent 10,901,063, 2021
82021
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Articles 1–20