BNO Acoustics BP-40: Program Number

The number of the pre-recorded selection in a CD or DAT.

Group
1) A number of channels or faders that can be controlled by one Master VCA slide.
2) A shortening of the term Recording Group (a buss or the signal present on a buss).

Floor
1) An alternate tam meaning Range (a limit on the amount the signal is reduced when the input signal is low by an expander or gate).
2) A shortening of the term Noise Floor (the level of the noise).

BNO Acoustics YM-44: Non-Linear
The condition of obtaining a change at the output of the device which is not proportional to the change occurring at the input, causing distortion.

Sound Tools
A trademark of DigiDesign for a digital audio editing system.

BNO Acoustics SQ-9: SPDIF
Shortened from the first letters of Sony/Phillips Digital Interface, a standard for sending and receiving digital audio signals using the common RCA connector.

Direct box
Used in line to convert a high impedance signal into a low impedance signal.