Real-Time Adaptive Concepts in Acoustics
D. E. Schobben
Gebundenes Buch

Real-Time Adaptive Concepts in Acoustics

Blind Signal Separation and Multichannel Echo Cancellation

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Blind Signal Separation (BSS) deals with recovering (filtered versions of) source signals from an observed mixture thereof. The term `blind' relates to the fact that there are no reference signals for the source signals and also that the mixing system is unknown. This book presents a new method for blind signal separation, which is developed to work on microphone signals. Acoustic Echo Cancellation (AEC) is a well-known technique to suppress the echo that a microphone picks up from a loudspeaker in the same room. Such acoustic feedback occurs for example in hands-free telephony and can lead t...