Brooks HI FI projectors Input Overload

Sending too high of a signal level into a device so that the first amplifier of the device overloads.

Channels
These are divided into two separate categories. Input channels are those channels coming into the soundboard such as microphones and direct lines. Output channels are those leaving the board such as monitor and main outputs.

Brooks RM 909 Beats Per Minute BPM
The number of steady even pulses in music occurring in one minute and there fore defining the tempo of the song.

Corner Frequency
Same as Cut-Off Frequency (the highest or lowest frequency in the pass band of a filter). (NOUN)

Brooks Hi Fi reviews Ambient Micing
Placing a microphone in the reverberant field (where the reverberation is louder than the direct sound) so as to do a separate recording of the ambience or to allow the recording engineer to change the mix of direct to reverberant sound in recording.

Cancellation
A shortening of the term Phase Cancellation (the energy of one waveform significantly decreasing the energy of another waveform because of phase relationships at or close to 180 degrees).

Cable, 1/4 inch
An unbalanced cable most often used for instruments and patch cords. Commonly referred to as "guitar cords".

Automatic Gain Control (Automatic Volume Control)
A compressor with a very long release time used to keep the volume of the audio very constant.