has part characteristic of has modifier abnormal auditory perception phenotypic_class FBcv:0000407 auditory system defective Phenotype that is any abnormality in sensory perception of sound (GO:0007605). 'sensory perception of sound' is defined as: 'The series of events required for an organism to receive an auditory stimulus, convert it to a molecular signal, and recognize and characterize the signal. Sonic stimuli are detected in the form of vibrations and are processed to form a sound.' auditory perception defective abnormal sensory perception sensory perception of sound abnormal process quality