... response sound with sufficient quality even when the user is out of the prepared position CONCLUSION We have proposed a barge-in free spoken dialogue interface combining sound field reproduction and a microphone ... Kobayashi, and T Takezawa, “Design and creation of speech and text corpora of dialogue, ” IEICE Transactions on Information and Systems, vol E76-D, no 1, pp 17–22, 1993 [18] A Lee, T Kawahara, and K ... show the condition number of transfer functions in Figure 10 The condition Figure 7: ERLE for each position of interference in microphone elements The horizontal axis represents the position of interference...