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