第22回 ロボット聴覚特集 - 奥乃研究室 - 京都大学

Binary maskConventional ICAConventional ICA + Binary maskProposed method]252525B25(a) (b) (c) (d)[dte202020a20Rn15io151515tcu1010d1010eRe5555isoFigure 6: NRR(a) (−60 ◦ , 60 ◦ ) ±30 ◦ ,(b) (−60 ◦ , 60 ◦ ) ±15 ◦ ,(c) (−60 ◦ , 0 ◦ ) ±30 ◦ ,(d) (−60 ◦ , 0 ◦ ) ±15 ◦ ,0000NBinary maskConventional ICAConventional ICA + Binary maskProposed method]25252525B(a) (b) (c) (d)[d20202020teaRn15151515tiocu10 d101010eR5555eisoFigure 7: NRR(a) (−60 ◦ , 60 ◦ ) ±30 ◦ ,(b) (−60 ◦ , 60 ◦ ) ±15 ◦ ,(c) (−60 ◦ , 0 ◦ ) ±30 ◦ ,(d) (−60 ◦ , 0 ◦ ) ±15 ◦0000NFigure 7 NRR 2 BSS SIMO-ICA 5 DSP 2 BSS (TI-C67, 200 MHz, 150 g; Figure 8) Figure 9 1. (FFT) -2. SIMO-ICA 3 3 SIMO-ICA 3 3. SIMO-ICA SIMO-ICA 4. FFT SIMO-ICA 3 ICA SIMO-ICA 6 SIMO ICA BSS 2 BSS NRR 27