27. The apparatus of claim 25, wherein the first and second arrays comprise tactile stimulators for presenting the patterns as patterns of cutaneous nerve stimulation.
27. The apparatus of claim 25, wherein the first and second arrays comprise tactile stimulators for presenting the patterns as patterns of cutaneous nerve stimulation. 54. The apparatus of claim 27 further comprising means for vibrating said tactile stimulators at different frequencies to present differences in speech pitch.