1) Auditory display 
Sonification is the use of non-speech audio to convey information or perceptualize data. Auditory perception has advantages in temporal, amplitude, and frequency resolution that open possibilities as an alternative or complement to visualization techniques. For example, the rate of clicking of a Geiger counter conveys the level of radiation in the...
act of producing sound
• (n.) The act of producing sound, as the stridulation of insects.
The production of sound, or of sound waves. ... (05 Mar 2000) ... 
Son`i·fi·ca'tion noun [ Latin sonus sound + -ficare (in comp.) to make. See - fy .] The act of producing sound, as the stridulation of insects. 
Type: Term Pronunciation: son′i-fi-kā′shŭn Definitions: 1. The production of sound, or of sound waves.