Lexicon 960L owner manual Ambient Chamber, Reverse & Surround Reverse, Inverse

Page 55

Using The Reverb Program

Lexicon, Inc.

Algorithms, Continued

Ambient Chamber

Ambient Chamber is a hybrid of the stereo Ambience and Chamber algorithms. It applies front left, center, and right signals to the ambience algorithm and front LCR plus rear signals to the chamber algorithm. This can be used to change the apparent microphone distance of the front signals or to provide different acoustics for the front and rear (e.g., a stage house in front and a more reverberant auditorium behind it) that join into one integrated reverberant field.

The advantage of Ambient Chamber over the Ambient Surround is that there is more control over the late reverberation, with the inclusion of the Shape, Spread, and BassMult controls. However the early reflections generated by Ambient Chamber are more limited. There are no early reflection generators for signals coming into the rear inputs of the Surround version of this program, and the early reflections generated by the ambience section of the program are directed only to the front three loudspeakers. Later reverberation is provided to all the loudspeakers, and all inputs will generate appropriate late reverberation. Ambient Chamber is particularly useful in two channel mode, and whenever a surround program is being designed to play back primarily in a two-channel matrix form.

Reverse & Surround Reverse

Reverse is a new algorithm that is somewhat different from the effect other processors call "Inverse." Unlike traditional Inverse, which is a gated reverb whose reflection density increases until a cut-off time is reached, Reverse’s reflection density decreases over time, while its reflection level increases over time, as if

you had recorded a signal through a reverb device, then played the recording backwards. This is the exact reverse of normal reverberant behavior, exactly like the time-honored effect of reversing a tape. The effect begins with a quiet, dense reverb and gradually becomes louder and thins out to reveal the original signal.

It's important to remember that in Reverse all the parameters work backwards. For example, if RtHicut (see parameter listing below) is low, the reverb will become brighter as it develops.

Reflections play an important part in this effect. They should be adjusted so that they occur at or near the end of the reverb. In other words, they play the role of the original signal, so they come last.

For Reverse to work as designed, the Mix parameter must be set 100% wet, both at the 960L and at the mixer!

Inverse

The traditional inverse effect can also be achieved, if desired, by using any of the Hall, Chamber, or Plate effects and doing as follows:

•Select a very large room Size.

•Bring Midrt all the way down.

•Set the Contour parameter to a high value (like 10).

•Control the overall shape and

density using Shape, Spread and Size.

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Contents 960L. Digital Effects System Important Safety Instructions Table Of Contents Table Of Contents Title of Section IntroductionMainframe Unpacking the 960L DescriptionRear Panel About the 960LIEC Power Connector Clock Card Midi Connectors Five-pin DIN femaleRemote-Control Connectors Mains Power SwitchThumbscrews Standby Switch and IndicatorFront Panel Floppy DriveDSP-Card Slots Behind the Front PanelCPU Card Location InstallationMounting VentilationMidi Connections Digital Audio ConnectionsWordclock Connections Navigating Typical Display Screens LARC2 RemoteAbout the LARC2 LARC2 RemoteUnpacking the Larc LARC2 Control Surface LARC2 Control SurfaceLARC2 Connections Getting What You WantA typical display screen Navigating Typical Display ScreensAbout the Faders and Joystick Mode Faders JoystickFine Adjust Audio IndicatorsLexicon Button AN Overview of the Controls Basic OperationAn Overview of the Controls Basic OperationQuick Guide to Operation Setup Control Mode960L Owner’s MaunalBasic Operations Quick Guide to Operation Program Loading Machine SelectionStoring Your Edits Editing a Program or RegisterName screen Info screens are similar Operations in Detail Control Mode CLOCKS, ConfigurationLoading Programs Loading Programs and RegistersAlternative Loading Techniques Loading RegistersProgramming Machines Wordclock Control Mode Clocks, Configuration, and System ScreensLocked and unlocked wordclock Input, Output, and Machine Configuration960L Owner’s Maunal Operations in Detail 44.1/48kHz Dual machines 5-in and 2-in Output Assignment Left Right Center Unused Surround Surround System Screen Analog and Digital I/OEditing With the Faders Fine AdjustEditing Editing AlgorithmsQuick Comparisons via the Lexicon Button Editing with the JoystickInput Panning Editing Inputs and OutputsOutput Panning 960L Surround Panning Rules Setting LevelsAvoiding Overload V-Page and Parameter Reassignment Using the Edit Algorithm ScreenFrom the Edit Algorithm, Inputs, Outputs Options screen 22 Edit V-Page screen programming the joystick Storing Storing and Labeling Your EditsNaming and Annotating Organizing Your Registers 25 a Register Info Options EnabledEdit Tools for Registers Machine ModeUsing the Floppy Drive CD-ROMUsing the Reverb Programs Reverberation and Reality Using the Reverb ProgramsUsing The Reverb Program Lexicon, Inc Reverberation and Reality Msec Sound in Space a Short History of Stereo and Surround Random Hall AlgorithmsAmbience & Surround Ambience Surround HallChamber Plate & Surround PlateReverse & Surround Reverse Ambient ChamberInverse Parameters Used in the 960L Algorithms Using The Reverb ProgramLexicon, Inc FbckLS FbckLFbckR FbckLFLvRL LvLFLF LvLLLvRR LvLRRSpread RearRollRearRvb RShapeSpread SizeSlope SpinMidi Midi Channel Allocation NomenclatureChannel Usage Description Program # Description Card ConfigurationBank and Program Mapping Bank DescriptionIncoming Inquiry Midi Byte Description Midi Sysex960Ls response Midi Implementation Chart Specifications Specifications Factory Programs Connector48K Rack Units 96KLARC2 User Interface Appendix Halls Appendix Program DescriptionsAppendix B1 P4 B3 P4 B6 P2 B7 P2 B9 P9 B11 P5 Empty Mini Chamber Similar to Snare Chamber, but even smaller Lg Brite Room Random Hall Simply large and bright Echo Plate Like Flat Plate, but with echoes Stereo Bank Kitchen Chamber Can you find your disposal sound effect?
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