A small and high-performance hands-free dialog system by a microphone and a loudspeaker was developed for audio or multimedia systems. It uses only one DSP chip of a fixed point calculation. A new algorithm, called as "Polarized-x INLMS", developed for this system, is the key technology to shrink rather complicated signal processing systems for it.

Authors: Ohga, Juro; Fujii, Kensaku; Hoshino, Tsutomu; Sakaguchi, Jun'ichi
Affiliation: Fujitsu Laboratories Ltd., Kawasaki, Japan
AES Convention: 106 (May 1999) Paper Number: 4959
Publication Date: May 1, 1999
Subject: Signal Processing

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