Title :
Sound source localization and signal separation for office robot “JiJo-2”
Author :
Asono, F. ; Asoh, Hideki ; Matsui, Toshihiro
Author_Institution :
Electrotech. Lab., Tsukuba, Japan
Abstract :
A method of sound source localization and source separation for the sound sources in the near-field range is described in this paper. For the sound localization, the subspace method was employed to obtain a high resolution which is necessary for the range estimation with a small-sized array. The modified MVBF with the estimated localization information was used for signal separation. In an experiment conducted in a middle-sized meeting room, 60-70% of word recognition rate was achieved
Keywords :
acoustic signal detection; array signal processing; mobile robots; office automation; speech recognition; JiJo-2 office robot; MVBF; localization information; mobile robots; near-field range; range estimation; signal separation; sound source localization; subspace method; word recognition rate; Array signal processing; Automatic speech recognition; Delay; Frequency response; Humans; Microphone arrays; Noise reduction; Phased arrays; Robots; Speech recognition;
Conference_Titel :
Multisensor Fusion and Integration for Intelligent Systems, 1999. MFI '99. Proceedings. 1999 IEEE/SICE/RSJ International Conference on
Conference_Location :
Taipei
Print_ISBN :
0-7803-5801-5
DOI :
10.1109/MFI.1999.815997
