Table of Contents
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Glossary
Auxiliary Send
Balance
Clipping
CR (Control Room) Monitors
dB (decibel)
Dl(Direct Injection)
Equaliser
Foldback
Frequency Response
(sub) Group
Headroom
Highpass Filter
Line Level Signals
Noise Gate
Pan (pot)
Patchbay
Peaking
PFL (Pre-fade Listen)
Rolloff
Shelving
Spill
66
an output from the console comprising a mix of signals from channels and groups
derived independently of the main stereo group mixes. Typically the feeds to the mix
are implemented on rotary level controls.
the relative levels of the left and right channels of a stereo signal.
the onset of severe distortion in the signal path, usually caused by the peak signal
voltage being limited by the circuit's power supply voltage.
loudspeakers used by the operator (engineer) in the control room to listen to the mix.
a ratio
of two voltages
or signal
levels,
expressed
by the equation
dB=20Logto(V IN2).
Adding the suffix 'u' denotes the ratio is relative to 0.775V RMS.
the practice of connecting an electronic musical instrument directly to the input of the
mixing console, rather than to an amplifier and loudspeaker which is covered by a
microphone feeding the console.
a device that allows the boosting or cutting of selected bands of frequencies in the
signal path.
a feed sent back to the artistes via loudspeakers or headphones to enable them to
monitor the sounds they are producing.
the variation in gain of a device with frequency.
an output into which a group of signals can be mixed.
the available signal range above the nominal level before clipping occurs.
a filter that rejects low frequencies.
at a nominal level of -IOdBV to +6dBu, coming from a low impedance source.
an electronic switch which only passes signals exceeding a set threshold level.
abbreviation of 'panorama': controls levels sent to left and right outputs.
a connection panel providing access to most input/output signals on the console,
allowing the operator to redirect or rearrange internal and external connections using
flexible patch cords.
an equaliser response curve affecting only a band of frequencies i.e. based on a
bandpass response.
a function that allows the operator to monitor the pre-fade signal m a channel
independently of the main mix.
a fall in gain at the extremes of the frequency response.
an equaliser response affecting all frequencies above or below the break frequ{:ncy
i.e. a highpass or lowpass derived response.
acoustic interference from other sources.
Appendices
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