第22回 ロボット聴覚特集 - 奥乃研究室 - 京都大学

Word Accuracy[%]Word Accuracy[%]807060504030204 mics.8 mics.Upper limit: 73.49%100Unprocessed DS GJ NBF-type ABF-type(1 mic.)SSA SSAFigure 10: 1 807060504030204 mics.8 mics.Upper limit: 75.73%100Unprocessed DS GJ NBF-type ABF-type(1 mic.)SSA SSAFigure 11: 2 5.4 10 11 (Upper limit) 1 NBF SSA DS GJ ABF SSA NBF SSADS GJ 2 NBF SSA DS GJ 1 2 2 1 NBF SSA 2 GJ DS ABF SSA NBF SSADS GJ ABF SSA ABF SSA 6 (ABF SSA) ABF SSA 1 NBF ABF ABF ABFNBF 2 NBF SSA ABF SSA ABF SSA e-Society 34[1] Y. Ohashi, T. Nishikawa, H. Saruwatari, A. Lee,K. Shikano, “Noise-Robust Hands-free SpeechRecognition Based on Spatial Subtraction Arrayand Known Noise Superimposition,” IEEE/RSJ InternationalConference on Intelligent Robots andSystems, pp.533–537, 2005.[2] , , , “,” , 1995.[3] L. J. Griffith, and C. W. Jim, “An alternative approachto linearly constrained adaptive beamforming,”IEEE Trans. Antennas & Propagation, vol.30,no.1, pp.27–34, 1982.[4] , , , , , “,” , 2001.[5] H. Saruwatari, S. Kurita, K. Takeda, F. Itakura,T. Nishikawa, K. Shikano, “Blind source separationcombining independent component analysisand beamforming,” EURASIP Journal on AppliedSignal Processing, vol.2003, no.11, pp.1135–1146,2003.[6] , , , , , , , vol.J-87-D-II, no.4,pp.933–941, 2004.[7] O.L. Frost, “An algorithm for linearly constrainedadaptive array processing,” Proceedings of theIEEE, vol.60, no.8, pp.926–935, 1972.[8] A. Lee, T. Kawahara, K. Takeda, K. Shikano, “Anew phonetic tied-mixture model for efficient decoding,”Proc. ICASSP, vol. III, pp.1269–1272, 2000.