Hansler, Eberhard Acoustic echo and noise control : a practical approach / Eberhard Hansler, Gerhard Schmidt - Hoboken, NJ: John Wiley & Sons, 2004 - xxvi, 444 p. : ill. ; 24 cm. Includes bibliographical references (p. 423-440) and index ISBN: 0471453463 Subjects--Topical Terms: Echo suppression (Telecommunications)Acoustical engineering