Download e-book for kindle: Adaptive Identification of Acoustic Multichannel Systems by Karim Helwani

By Karim Helwani

ISBN-10: 3319089536

ISBN-13: 9783319089539

ISBN-10: 3319362879

ISBN-13: 9783319362878

This booklet treats the subject of extending the adaptive filtering thought within the context of big multichannel platforms through considering a priori wisdom of the underlying procedure or sign. the place to begin is exploiting the sparseness in acoustic multichannel approach with a view to clear up the non-uniqueness challenge with an effective set of rules for adaptive filtering that doesn't require any amendment of the loudspeaker signals.
The publication discusses intimately the derivation of basic sparse representations of acoustic MIMO systems in sign or process based rework domains. Efficient adaptive filtering algorithms in the rework domain names are offered and the relation among the sign- and the system-based sparse representations is emphasised. in addition, the publication offers a singular method of spatially preprocess the loudspeaker signs in a full-duplex verbal exchange process. the assumption of the preprocessing is to avoid the echoes from being captured by means of the microphone array so as to help the AEC method. The preprocessing level is given as an exemplarily application of a singular unified framework for the synthesis of sound figures. Finally, a multichannel approach for the acoustic echo suppression is presented that can be utilized as a postprocessing degree for elimination residual echoes. As first of its style, it extracts the near-end sign from the microphone sign with a distortionless constraint and with no requiring a double-talk detector.

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Adaptive Identification of Acoustic Multichannel Systems Using Sparse Representations (T-Labs Series in Telecommunication Services) by Karim Helwani

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