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LX480 Dual-Engine Reverb

Algorithms – Panorama

Panorama is a crosstalk elimination program. It increases the apparent width of stereo sounds by eliminating the crosstalk around the ears of the listener.

The Panorama Algorithm Sound

One of the major uses of this program in the LX480 is to spread the sound of a reverb or effect outside the bounds of the loudspeakers.

This is easily done with a mixing board by putting the LX480 in cascade mode with Ambience or a reverb program in engine 1, and Panorama in engine 2.

The mix control in engine 1 should be ALL EFFECTS.

In engine 2 the Effect control and the Low frequency width are used to increase the width of the reverb, and the Dry Input Mix control or an external mixer can be used to add the unexpanded original sound back into the expanded reverb.

When using stereo wideners, the listener is assumed to be exactly between the two loudspeakers. The angle parameter should be set to reflect the angle of the speakers in the room.

Low frequencies are spread by the program through the whole listening room — they do not require precise adjustment.

Recordings made with ORTF, or closely spaced omni microphone techniques, will probably greatly benefit from some LF L-R boost, which can be adjusted using the EFFECT parameter which controls the amount of crosstalk cancellation.

Key Parameters

Here are a few of the more significant parameters you can use to get the most out of the Random Hall algorithm.

  • Effect
  • Speaker Angle
  • Low Frequency L/R Boost

Panorama Algorithm Available Parameters

The following tables lay out all the editable parameters available in the Panorama algorithm, in both the Hardware Mode and Advanced Mode.

  • Hardware Mode is an authentic reproduction of the original LARC workflow.
  • Advanced Mode gives you a more interactive visual interface, as well as access to additional parameters and functionality. Any additional functionality not available in the original hardware has been highlighted.

 

Hardware Mode

Page Slider 1 Slider 2 Slider 3 Slider 4 Slider 5 Slider 6
Quick Level In Left Channel (CH1) Level In Right Channel (CH2) Effect Amount (EFF) Speaker Angle (ANG) LF-LR Boost (LFB) Mix (MIX)

 

Advanced Mode

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Time
Shape Width (WID)
Filter Low Frequency Cutoff (LFC) Low Shelf (LOS) High Frequency Cutoff (HFC) High Shelf (HIS)
Output Filter Type (OFT)
Mod
Den Level In Left Channel (CH1) Level In Right Channel (CH2) Effect Amount (EFF) Speaker Angle (ANG) LF-LR Boost (LFB) Mix (MIX)
ERTM
ERVL

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