Brooks XS - 45 Level

The amount of signal strength; the amplitude, especially the average amplitude.

Binary
A numbering system based on two. In binary there are two symbols used ("l" and "0").

Brooks Cinema Projectors Level
Sets output volume of individual PA input channels. Usually positioned as sliders at the bottom of the soundboard.

Layering
The recording (or playing) of a musical part with of several similar sound patches playing simultaneous.

Brooks VT-50 Electric Instrument
Any musical instrument that puts out an electrical signal rather than an acoustic sound.

Compander
Outboard sound equipment. Combination of a Compressor and an Expander.

Contact Microphone
A device that senses vibrations and puts out an audio signal proportional to the vibrations.

CD (Compact Disc) :
1) Digital sound storage medium. Provides a high quality source of music, sound effects etc. Also used as a playback medium for sound effects etc. by large theatres with long running shows, although CDR (Recordable CD) is becoming more affordable by the day.
2) An abbreviation of the term Compact Disc (a small optical disk with digital audio recorded on it).