
Chapter | 12 Multimodal Input
245
Spatial
Spatial
Verbal
Complementary multimodal input
Speech: “Select this (B)”
Gesture: [Points at Library icon location (A)]
Redundant multimodal input
Speech: “Select the Library (B) on the corner of
Smith and Brown Streets (A)”
Gesture: [Circling motion arround the Library icon
(B) at desired location (A)]
Verbal
Executive
A
A
B
A
B
B
Executive
FIGURE 12.3 Processing of redundant and complementary multimodal input.
resources and subsequent scant allocation to attend to the planning
and execution of individual modal signals, specifically in tasks where
the conceptual complexity is high [47].
Multimodal interfaces are, in themselves, ...