7800/7700 MultiFrame Manual
7814 Series Dual HDTV Up/Down/Cross Converters
Page - 124 Revision 1.1.3
7.26.4.2. Compander State
This control is used to activate the on-board compressor/expander, otherwise known as the compander.
The use of the compander allows audio signals with a large dynamic range to be transmitted over facilities
that have a smaller dynamic range capability. The compander works by compressing or expanding the
dynamic range of the audio signal.
7.26.4.3. Makeup Gain
The Makeup Gain is used to add additional gain to the audio program. This control would be used if the
final desired target loudness has not been reached. The makeup gain control has a range of 0 dBFS to
20 dBFS.
7.26.5. Peak Limiter
7.26.5.1. Peak Limit
The Peak Limit is used within the audio program chain to provide an upper limit to peak program levels.
Sometimes referred to as a “brick-wall” limiter. This control is used to maintain the upper limit of the peak
levels. The peak limit control has a range from -15 dBFS to 1 dBFS.
7.26.6. Intelligain Program Monitor
7.26.6.1. Input Loudness Monitor
The Input Loudness control will provide a real time value of the calculated input loudness value. This
control is used for monitoring purposes only.
7.26.6.2. Gain Applied Monitor
The Gain Applied control will provide a real time value indicating the amount of gain being applied by the
IntelliGain system. Values can be either negative, indicating a gain reduction, or positive, indicating
gain is being applied.
7.26.6.3. Output Loudness Monitor
The Output Loudness control will provide a real time value of the calculated output loudness value. This
control is used for monitoring purposes only. It is used to provide confidence monitoring.
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