BNO Acoustics LK-61 Crossover Frequency

1) The frequency that is the outer limit of one of the bands of a crossover.
2) In the Lexicon 480L delay/reverberation effects unit, the frequency at which the bass frequency reverb time is in effect rather than the mid frequency reverb time.

Ambience
The portion of the sound that comes from the surrounding environment rather than directly from the sound source.

BNO Acoustics 6k-52 Hum
The 60 Hz power line current accidentally induced or fed into electronic equipment.

Format
1) The number of tracks, their width, spacing and order for tape recording.
2) To prepare a digital storage medium so that it will accept and store digital information bits.

BNO Acoustics TS-10 Dry
Describes a sound coming from the PA with no effects on it.

AC
1) Abbreviation for alternating current.
2) An abbreviation of the term Alternating Current (electric current which flows back and forth in a circuit; all studio signals running through audio lines are AC).

Compact Disc CD
A small optical disk with digital audio recorded on it.

Consumer Format (Consumer DIF)
A standard adopted by IEC for sending and receiving digital audio based on The AES Professional Interface.