NDLI: Acoustic echo cancellation with post-filtering in subband

Content Provider	IEEE Xplore Digital Library
Author	Xiaojian Lu Champagne, B.
Copyright Year	2003
Description	Author affiliation: Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que., Canada (Xiaojian Lu; Champagne, B.)
Abstract	A new structure is proposed for an acoustic echo cancellation (AEC) system which explores post-filtering techniques in the subband. The post-filtering approach used seeks to minimize near-end speech distortion while further suppressing the residual echo to a predefined level. The new AEC system seamlessly combines this post-filtering technique and adaptive filters in a computationally efficient subband structure based on oversampled uniform DFT banks. Compared to its full-band counterpart, the proposed subband algorithm has a much lower computational complexity while achieving a comparable performance in terms of acoustic echo suppression. These observations are supported by experimental results. An improved practical design of the prototype filter for use with DFT filter banks is also introduced.
Starting Page	29
Ending Page	32
File Size	338601
Page Count	4
File Format	PDF
ISBN	0780378504
DOI	10.1109/ASPAA.2003.1285801
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Echo cancellers Filter bank Nonlinear filters Speech Adaptive filters Computational complexity Prototypes Frequency domain analysis Acoustical engineering Acoustic distortion
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Libarray of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

A Low-Complexity Delayless Selective Subband Adaptive Filtering Algorithm

A new subband weight transform for delayless subband adaptive filtering structures

Filter bank constraints for subband and frequency-domain adaptive filters

Nonlinear System Identification Using a Subband Adaptive Volterra Filter

New results on subband adaptive filters with nonuniform filter banks

A subband acoustic echo cancellation coupled with double talk detector

Fast System Identification Using Affine Projection and a Critically Sampled Subband Adaptive Filter

Frequency Domain Adaptive Filter using FFT Algorithm for Acoustic Echo Cancellation

Realization of Nonlinear Acoustic Echo Cancellation by Subband Parallel Cascade Volterra Filter

Acoustic echo cancellation with post-filtering in subband

Similar Documents

A Low-Complexity Delayless Selective Subband Adaptive Filtering Algorithm

A new subband weight transform for delayless subband adaptive filtering structures

Filter bank constraints for subband and frequency-domain adaptive filters

Nonlinear System Identification Using a Subband Adaptive Volterra Filter

New results on subband adaptive filters with nonuniform filter banks

A subband acoustic echo cancellation coupled with double talk detector

Fast System Identification Using Affine Projection and a Critically Sampled Subband Adaptive Filter

Frequency Domain Adaptive Filter using FFT Algorithm for Acoustic Echo Cancellation

Realization of Nonlinear Acoustic Echo Cancellation by Subband Parallel Cascade Volterra Filter

Acoustic echo cancellation with post-filtering in subband