Microphone Array Processing for Speech Enhancement and Source Separation

176 Pages·2017·48.76 MB·English

Microphone Array Processing
for Speech Enhancement and
Source Separation
Rajesh Hegde
Professor
Dept. of EE, Kanpur
Tutorial @
National Conference on Communications (NCC 2017)
IIT Madras
Mar. 2 - 2017
What is a Microphone Array?
Some Interesting Microphone Arrays
Multi-sensor headset from MSR
MIT’s LOUD array [Liu et al. 2005]
(1020 mics)
Weinstein et al. 2005
NIST’s Mark III Array
(64 mics)
Stanford et al. 2004
Microphone Arrays : Co-ordinate System
Microphone Array Processing : Motivation
Microphone Array Processing (In) Parametric Spatial Sound Processing
Motivation : Socially Relevant Applications
Motivation : Automotive Applications
Motivation : Speech Enhancement and RecognitionApplications
Speech Enhancement
Close Talking and Distant Speech Acquisition