Fueled by a growing interest in the perceptual development and capacities of human infants, the field of developmental psychology acoustics has expanded significantly in the past 15 years. Developmental Psycho acoustics, with chapters contributed by experts in areas of hearing, perceptual development, and psycho-physics, emphasizes the importance of understanding the sensory capacities of infants and children. It presents current research in developmental acoustics, offers interpretations for the findings, and encourages increased communication among related fields.