000 03102nam a22005535i 4500
001 978-3-642-22574-1
003 DE-He213
005 20140220083809.0
007 cr nn 008mamaa
008 110725s2011 gw | s |||| 0|eng d
020 _a9783642225741
_9978-3-642-22574-1
024 7 _a10.1007/978-3-642-22574-1
_2doi
050 4 _aTK5102.9
050 4 _aTA1637-1638
050 4 _aTK7882.S65
072 7 _aTTBM
_2bicssc
072 7 _aUYS
_2bicssc
072 7 _aTEC008000
_2bisacsh
072 7 _aCOM073000
_2bisacsh
082 0 4 _a621.382
_223
100 1 _aBenesty, Jacob.
_eauthor.
245 1 2 _aA Perspective on Stereophonic Acoustic Echo Cancellation
_h[electronic resource] /
_cby Jacob Benesty, Constantin Paleologu, Tomas Gänsler, Silviu Ciochină.
264 1 _aBerlin, Heidelberg :
_bSpringer Berlin Heidelberg,
_c2011.
300 _aVI, 139 p.
_bonline resource.
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
347 _atext file
_bPDF
_2rda
490 1 _aSpringer Topics in Signal Processing,
_x1866-2609 ;
_v4
505 0 _aIntroduction -- Problem Formulation -- System Identification with the Wiener Filter -- A Class of Stochastic Adaptive Filters -- A Class of Affine Projection Algorithms -- Recursive Least-Squares Algorithms -- Double-Talk Detection -- Echo and Noise Suppression as a Binaural Noise Reduction Problem -- Experimental Study.
520 _aSingle-channel hands-free teleconferencing systems are becoming popular. In order to enhance the communication quality of these systems, more and more stereophonic sound devices with two loudspeakers and two microphones are deployed. Because of the coupling between loudspeakers and microphones, there may be strong echoes, which make real-time communication very difficult. The best way we know to cancel these echoes is via a stereo acoustic echo canceller (SAEC), which can be modelled as a two-input/two-output system with real random variables. In this work, the authors recast this problem into a single-input/single-output system with complex random variables thanks to the widely linear model. From this new convenient formulation, they re-derive the most important aspects of a SAEC, including identification of the echo paths with adaptive filters, double-talk detection, and suppression.
650 0 _aEngineering.
650 0 _aComputer science.
650 0 _aFourier analysis.
650 1 4 _aEngineering.
650 2 4 _aSignal, Image and Speech Processing.
650 2 4 _aUser Interfaces and Human Computer Interaction.
650 2 4 _aFourier Analysis.
700 1 _aPaleologu, Constantin.
_eauthor.
700 1 _aGänsler, Tomas.
_eauthor.
700 1 _aCiochină, Silviu.
_eauthor.
710 2 _aSpringerLink (Online service)
773 0 _tSpringer eBooks
776 0 8 _iPrinted edition:
_z9783642225734
830 0 _aSpringer Topics in Signal Processing,
_x1866-2609 ;
_v4
856 4 0 _uhttp://dx.doi.org/10.1007/978-3-642-22574-1
912 _aZDB-2-ENG
999 _c108217
_d108217