Karim Helwani

According to our database, Karim Helwani authored at least 34 papers between 2009 and 2024.

Collaborative distances:

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

2024

Real-Time Stereo Speech Enhancement with Spatial-Cue Preservation Based on Dual-Path Structure.

Masahito Togami, Jean-Marc Valin, Karim Helwani, Ritwik Giri, Umut Isik, Michael M. Goodwin

Proceedings of the IEEE International Conference on Acoustics, 2024

Sound Source Separation Using Latent Variational Block-Wise Disentanglement.

Karim Helwani, Masahito Togami, Paris Smaragdis, Michael M. Goodwin

Proceedings of the IEEE International Conference on Acoustics, 2024

NOLACE: Improving Low-Complexity Speech Codec Enhancement Through Adaptive Temporal Shaping.

Jan Büthe, Ahmed Mustafa, Jean-Marc Valin, Karim Helwani, Michael M. Goodwin

Proceedings of the IEEE International Conference on Acoustics, 2024

2023

Neural Harmonium: An Interpretable Deep Structure for Nonlinear Dynamic System Identification with Application to Audio Processing.

Karim Helwani, Erfan Soltanmohammadi, Michael M. Goodwin

CoRR, 2023

Learning Linear Groups in Neural Networks.

Emmanouil Theodosis, Karim Helwani, Demba E. Ba

CoRR, 2023

Generative Modeling Based Manifold Learning for Adaptive Filtering Guidance.

Karim Helwani, Paris Smaragdis, Michael M. Goodwin

Proceedings of the IEEE International Conference on Acoustics, 2023

2022

Robust Audio Anomaly Detection.

Wo Jae Lee, Karim Helwani, Arvindh Krishnaswamy, Srikanth V. Tenneti

CoRR, 2022

Clock Skew Robust Acoustic Echo Cancellation.

Karim Helwani, Erfan Soltanmohammadi, Michael Mark Goodwin, Arvindh Krishnaswamy

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

2021

Low-Complexity, Real-Time Joint Neural Echo Control and Speech Enhancement Based On Percepnet.

Jean-Marc Valin, Srikanth V. Tenneti, Karim Helwani, Umut Isik, Arvindh Krishnaswamy

Proceedings of the IEEE International Conference on Acoustics, 2021

Enhancing Audio Augmentation Methods with Consistency Learning.

Turab Iqbal, Karim Helwani, Arvindh Krishnaswamy, Wenwu Wang

Proceedings of the IEEE International Conference on Acoustics, 2021

2020

A Perceptually-Motivated Approach for Low-Complexity, Real-Time Enhancement of Fullband Speech.

Jean-Marc Valin, Umut Isik, Neerad Phansalkar, Ritwik Giri, Karim Helwani, Arvindh Krishnaswamy

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

PoCoNet: Better Speech Enhancement with Frequency-Positional Embeddings, Semi-Supervised Conversational Data, and Biased Loss.

Umut Isik, Ritwik Giri, Neerad Phansalkar, Jean-Marc Valin, Karim Helwani, Arvindh Krishnaswamy

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Self-Supervised Classification for Detecting Anomalous Sounds.

Ritwik Giri, Srikanth V. Tenneti, Fangzhou Cheng, Karim Helwani, Umut Isik, Arvindh Krishnaswamy

Proceedings of 5th the Workshop on Detection and Classification of Acoustic Scenes and Events 2020 (DCASE 2020), 2020

Group Masked Autoencoder Based Density Estimator for Audio Anomaly Detection.

Ritwik Giri, Fangzhou Cheng, Karim Helwani, Srikanth V. Tenneti, Umut Isik, Arvindh Krishnaswamy

Proceedings of 5th the Workshop on Detection and Classification of Acoustic Scenes and Events 2020 (DCASE 2020), 2020

2019

Blind Signal Processing for Time-varying Convolutive Mixing Systems Based on Sequence Estimation on Partly Smooth Manifolds.

Herbert Buchner, Karim Helwani, Simon J. Godsill

Proceedings of the IEEE International Conference on Acoustics, 2019

Unsupervised Bayesian Estimation and Tracking of Time-Varying Convolutive Multichannel Systems.

Herbert Buchner, Karim Helwani, Simon J. Godsill

Proceedings of the 22th International Conference on Information Fusion, 2019

Robust Non-negative Block Sparse Coding for Acoustic Novelty Detection.

Ritwik Giri, Arvindh Krishnaswamy, Karim Helwani

Proceedings of the Workshop on Detection and Classification of Acoustic Scenes and Events 2019 (DCASE 2019), 2019

2018

Annoyance Model Driven Selective Active Noise Control.

Ritwik Giri, Karim Helwani, Tao Zhang

Proceedings of the 52nd Asilomar Conference on Signals, Systems, and Computers, 2018

2017

A novel target speaker dependent postfiltering approach for multichannel speech enhancement.

Ritwik Giri, Karim Helwani, Tao Zhang

Proceedings of the 2017 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2017

Efficient adaptive filtering in compressive domains for sparse systems and relation to transform-domain adaptive filtering.

Herbert Buchner, Karim Helwani, Bashar I. Ahmad, Simon J. Godsill

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

2016

Localization of sound sources with known statistics in the presence of interferers.

Kainan Chen, Jürgen T. Geiger, Karim Helwani, Mohammad Javad Taghizadeh

Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

2015

Low complexity unsupervised multi-camera color calibration with application to panoramic video capturing.

Karim Helwani, Lukasz Kondrad, Nicola Piotto

Proceedings of the 2015 IEEE International Conference on Image Processing, 2015

Improving event detection for audio surveillance using Gabor filterbank features.

Jürgen T. Geiger, Karim Helwani

Proceedings of the 23rd European Signal Processing Conference, 2015

2014

The synthesis of sound figures.

Karim Helwani, Sascha Spors, Herbert Buchner

Multidimens. Syst. Signal Process., 2014

Multichannel adaptive filtering in compressive domains.

Karim Helwani, Herbert Buchner

Proceedings of the 14th International Workshop on Acoustic Signal Enhancement, 2014

2013

A Single-Channel MVDR Filter for Acoustic Echo Suppression.

Karim Helwani, Herbert Buchner, Jacob Benesty, Jingdong Chen

IEEE Signal Process. Lett., 2013

A study of the MVDR filter for acoustic echo suppression.

Hai Huang, Jacob Benesty, Jingdong Chen, Karim Helwani, Herbert Buchner

Proceedings of the IEEE International Conference on Acoustics, 2013

Multichannel acoustic echo suppression.

Karim Helwani, Herbert Buchner, Jacob Benesty, Jingdong Chen

Proceedings of the IEEE International Conference on Acoustics, 2013

On the eigenspace estimation for supervised multichannel system identification.

Karim Helwani, Herbert Buchner

Proceedings of the IEEE International Conference on Acoustics, 2013

2012

Multichannel Adaptive Filtering with Sparseness Constraints.

Karim Helwani, Herbert Buchner, Sascha Spors

Proceedings of the IWAENC 2012 - International Workshop on Acoustic Signal Enhancement, Proceedings, RWTH Aachen University, Germany, September 4th, 2012

How to design a delay-and-sum beamformer for rigid rotationally symmetric arrays?

Karim Helwani, Sascha Spors, Herbert Buchner

Proceedings of the Conference Record of the Forty Sixth Asilomar Conference on Signals, 2012

2011

Spatio-temporal signal preprocessing for multichannel acoustic echo cancellation.

Karim Helwani, Sascha Spors, Herbert Buchner

Proceedings of the IEEE International Conference on Acoustics, 2011

2010

Source-domain adaptive filtering for MIMO systems with application to acoustic echo cancellation.

Karim Helwani, Herbert Buchner, Sascha Spors

Proceedings of the IEEE International Conference on Acoustics, 2010

2009

Block-based multichannel transform-domain adaptive filtering.

Sascha Spors, Herbert Buchner, Karim Helwani

Proceedings of the 17th European Signal Processing Conference, 2009