Pitch is often described as having two perceptual correlates; pitch height, which increases with frequency, and tone chroma, which recurs at octave intervals. The perception of pitch by normal hearing adults, although widely studied, is not clearly understood. Infants' perception of pitch is even less well-understood. That is, not only is the previous literature with adults not consistent about the perceptual reality of tone chroma, but there are only a few studies studying infants' perception of pitch. This collection of studies attempts to understand and explain some of the factors that...