As a general topic, auditory perception can be divided a number of ways. From the standpoint of communication, one separation might be between classical auditory psychophysics, on the one hand, and the recognition of acoustic signals presented within a linguistic framework, on the other. The former relates principally to the abilities and limitations of the hearing organ as a mechano-neural transducer of all acoustic signals. The latter bears mainly upon the identification and classification of auditory patterns which are significant within the communicative experience of the listener.