Speech and Vision Lab

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HSCMA-2011: Enhancement Demo

Illustration of single-channel and multichannel enhancement of speech

B. Yegnanarayana, S. Guruprasad, S. R. M. Prasanna and S. V. Gangashetty, "Single and multichannel enhancement of distant speech using characteristics of speech production", in Proc. Third Joint Workshop on Hands-free Speech Communication and Microphone Arrays, Edinburgh, Scotland, UK, 30 May - 1 June, 2011. Download pdf

Single-channel enhancement

Example 1

Degraded speech
Source-based enhancement
Spectrum-based enhancement
Source-spectrum based enhancement

Example 2

Degraded speech
Source-based enhancement
Spectrum-based enhancement
Source-spectrum based enhancement


Multichannel enhancement

Example 1

Speech from microphone-1
Speech from microphone-2
Coherent addition of two channels of speech
Source-based enhancement

Example 2

Speech from microphone-1
Speech from microphone-2
Coherent addition of two channels of speech
Source-based enhancement

Example 3

Speech from microphone-1
Speech from microphone-2
Coherent addition of two channels of speech
Source-based enhancement