FIG. 9.20

Sound Park

A first spatial-hearing playground: three friends sit to the left, center, and right, and each one’s sound really comes from its own side. Tap a friend to hear it; tap two to build a mix. The ear button starts a listening game; the wave button turns on point-to-play.

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Sound Park — a spatial-hearing playground for young children. Left / center / right: each friend’s sound really comes from its own side. Sound and picture are locked together by the audio clock, so the bounce lands exactly on the note. The wave button lets a child point left / straight / right to solo one friend — a live camera and a body-tracking model run entirely on this device; nothing is recorded or uploaded.