Adaptive Identification of Acoustic Multichannel Systems - download pdf or read online

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 conception within the context of big multichannel platforms through making an allowance for a priori wisdom of the underlying procedure or sign. the place to begin is exploiting the sparseness in acoustic multichannel process in an effort to clear up the non-uniqueness challenge with a good set of rules for adaptive filtering that doesn't require any amendment of the loudspeaker signals.
The booklet discusses intimately the derivation of basic sparse representations of acoustic MIMO systems in sign or method based remodel domains. Efficient adaptive filtering algorithms in the rework domain names are awarded and the relation among the sign- and the system-based sparse representations is emphasised. in addition, the publication provides a unique method of spatially preprocess the loudspeaker indications in a full-duplex communique procedure. the belief of the preprocessing is to avoid the echoes from being captured by means of the microphone array which will help the AEC process. The preprocessing level is given as an exemplarily application of a unique unified framework for the synthesis of sound figures. Finally, a multichannel procedure for the acoustic echo suppression is presented that can be utilized as a postprocessing level for elimination residual echoes. As first of its variety, it extracts the near-end sign from the microphone sign with a distortionless constraint and with out 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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