Soft Entrainment: Co-emergence of “Maai” and Entrainment by Rhythm Controller - Emotional Engineering - page 85

(a)

Player Y (Winner) Player K (Loser)

Sword angle of Player Y

Distance between avatars

Zone 4y
(Line B)

Zone 5y
(Line B)

Zone 1y
(Line B)

Zone 2y
(Line B)

Zone 3y
(Line B)

Time (ms)

(b)

Player K (Loser) Player Y (Winner)

Sword angle of Player K Distance between avatars

Zone 1k
(Line C')

Zone 2k
(Line C')

Zone 3k
(Line B')

Zone 4k
(Line C')

Time (ms)

Fig. 16 Results of Kendo experiment. a Player Y (winner). b Player K (loser) [ 11 ]

Moreover, from the results of this study, we found that differences in intention,
such as intending to create or collapse Maai, could be expressed in the controller
manipulation method of the rhythm controller. This indicates that the rhythm
controller can be useful for interfaces that estimate the internal states (feelings,
intentions, and so on) of humans.

4 Soft Entrainment

So far we have explained that entrainment in multiple cycles occurs in connection
with the co-emergence of improvisational Maai, with the rhythm controller as the
soft interface that has ambiguity. In this section, in light of these results, we con-
sider such entrainment that cannot be explained by the theory of a normal coupled
nonlinear oscillator (phase model).