audio-, aud-, audi-, audit- +

(Latin: hearing, listening, perception of sounds)

1. The act or practice of following instructions, complying with rules or regulations, or submitting to someone's authority.
2. The religious authority exercised by a church, a priest, or another member of the clergy, or the people who are under this authority including: conformity to a monastic rule or the authority of a religious superior; especially, on the part of the one who has vowed such conformance.
Carrying out, or willing to carry out, instructions or submitting to someone's will or authority.
In an obedient manner; that is, complying with the commands or instructions of those in authority.
1. A movement of the body expressing deep respect or deferential courtesy, as before a superior; a bow, curtsy, or other similar gesture.
2. An attitude or behavior of someone who pays respect or homage to somebody or something.
1. Following instructions or behaving in accordance with a law, a rule, or an order.
2. To submit or to conform in action to (some guiding principle, impulse, one's conscience, etc.).
3. Etymology: from Old French obeir, from Latin oboedire, "obey, pay attention to, to give ear to"; literally, "listen to"; from ob-, "to" + audire, "to listen, to hear".
Situated posterior to the external auditory meatus (opening or passageway).
preaudience (s) (noun), preaudiences (pl)
In law, the right to be heard before another, a privilege belonging to the English legal system, the members of which are entitled to be heard in their order, according to rank, beginning with the Attorney and Solicitor General, and Queen's Counsel, and ending with barristers at large: In the courtroom, the lawyer for the defence called for a preaudience in order to speak first before the judge.

A reference to the perception and interpretation of sounds.
1. Relating to the mental perception and interpretation of sounds.
2. Relating to the conscious perception of the attributes and qualities of the sound heard; also called psychauditory.
screening audiometry
A rapid measurement of the hearing of an individual or a group against a predetermined limit of normality.

Auditory responses to different frequencies at a constant intensity level are tested.

subaudible (adjective), more subaudible, most subaudible
1. Having a frequency or intensity of sounds below the limit of hearing.
2. Scarcely perceptible to the ear or of being heard.
subaudition (s) (noun), subauditions (pl)
1. The act of understanding a word or thought that is implied but not actually expressed in speech or writing.
2. A word, idea, or thought understood by a hearer or reader that is implied but not expressed.
Above and beyond the normal perception of hearing.
1. Permitting passage of the mechanical vibrations perceived as sound.
2. Penetrable by sound waves.
Not hearable or incapable of being heard.

Related "hear, hearing; listen, listening" units: acous-; ausculto-.