Lexicon MPX 550 manual Dynamics, Peak Expansion, ExpThrsh, ExpLvl 0dB to 5.89dB

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Program Descriptions

Lexicon

DYNAMICS

Note:

A few seconds after the Dynamics preset is loaded, the Dynamics name will flash briefly on the front panel display. This does not affect audio input or output.

Dynamics is intended for use in the studio, when dynamic processing of stereo signals is required. Because of its long delay, this preset is not recommended for use in a live performance or as a mix insert. It includes effects that perform peak expansion, compression, and tape saturation in that order.

Dynamics includes nine parameters that are divided into three Edit Pages. Peak expansion settings are controlled on the first page, compression settings are controlled on the second page, and tape saturation settings are controlled on the third page. The first page also features a switch that selects between gain reduction and input metering.

PEAK EXPANSION

Peak expansion is used to raise the overall level of sound sources that rise above the adjustable peak expansion threshold. In performances with a wide dynamic range, peak expansion can increase the level of low-level sound sources. For example, for a relatively quiet instrument that swells in volume without the desired impact, peak expansion can raise the instrument level during the swell.

ExpThrsh

(-31 to 0dB)

Controls the threshold above which expansion is applied. Lower settings enable low-level sound sources to expand. Higher settings enable only very high-level peaks to expand.

ExpLvl

(0.0dB to 5.89dB)

Controls the amount of expansion that is applied to sound sources that rise above the expansion threshold. The parameter setting defines the maximum increase in signal level due to expansion. Higher settings increase the level of expansion applied. Maximum expansion is applied to signals that rise well above the expansion threshold for longer than 50ms.

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Contents Page Important Safety Instructions Communications Notice Introduction System Mode English Instrucciones DE Seguridad Italiano Importanti Norme DI Sicurezza Vii Viii US Important User Information DE Wichtige Benutzerinformation ES Información importante para el usuario FR Important Informations Utilisateur IT Importanti informazioni per l’utente PT Informações Importantes ao usuário Getting Started Getting Started About the MPXHighlights Front Panel Overview Input TrimEdit Pages SystemTap/Cancel PowerEdit Knobs StoreFront Panel Display Input/OVL IndicatorInput Level Meters Routing Configuration Bank NameEdit Knobs 1 to TempoAC Input Connector Provides power to the unit with the supplied powerRear Panel Overview CordAnalog OUTPUTs Pdif in and OUTAnalog INPUTs Connecting the Unit FootswitchTypical Connections to a Console Input Setting Audio LevelsOutput Basic Operation Basic Operation Selecting and Loading ProgramsAdjust Parameter Editing ProgramsStoring Programs Compressor TAP Tempo Matching Rhythm Audio TAPGlobal Tempo BypassSystem Mode System Mode Functions Parameter SettingsParameter Settings Midi Dumps Settings if applicable Restore Default CommandsParameters Output LevelInput Source Clock SourceMix Mode Program, Global Bypass Mode Dry, Full Mute, Input MuteProgram Load Mode Tempo Mode Program, GlobalMidi Patches Enabled, Disabled Midi Clock Enabled, DisabledOperating Mode Normal, Demo, Locked Midi Channel Off, 1 to 16, OmniAuto Load Enabled, Disabled Memory Protect Enabled, DisabledDisplay Brightness Midi Dumps Dump User BankDump Current Program Dump System DataClear User Bank Restore Default CommandsFactory Init Program Descriptions Plate Programs Adjust Tap Single Programs PlateGate/Inv Programs Adjust Tap GATE/INVHall Programs Adjust Tap HallChamber Programs Adjust Tap ChamberAmbience Programs Adjust Tap AmbienceRoom Programs Adjust Tap RoomTremolo Programs Adjust Tap TremoloRotary Programs Adjust Tap RotaryChorus Programs Adjust Tap ChorusFlange Programs Adjust Tap FlangeDetune Programs Adjust Tap DetunePitch Programs Adjust Tap PitchDLY/EKO Dly/Eko Programs Adjust Tap Special FX Programs Adjust Tap Special FXStereo Stage MSplit Dly, MSplit Rvb Dual ProgramsDual Mono Pitch Delay EFX BALFlng-Dly Programs Adjust Tap Routing FLNG-DLYPch-Dly Programs Adjust Tap Routing PCH-DLYChor-Dly Programs Adjust Tap Routing CHOR-DLYDly-Rvb Programs Adjust Tap Routing DLY-RVBFlng-Rvb Programs FLNG-RVBTap Routing Pch-Rvb Programs Adjust Tap Routing PCH-RVBChor-Rvb Programs Adjust Tap Routing CHOR-RVBMSplit Dly Programs Adjust Tap Routing Msplit DLYMSplit Rvb Programs Adjust Tap Routing Msplit RVBProgram Descriptions Dual Mono Programs Adjust Tap Routing Dual MonoComprssr Programs Adjust Tap CmprssrDynamics Peak ExpansionExpThrsh ExpLvl 0dB to 5.89dBCompression Tape Saturation Level MetersSaturation Off, Modern, Vintage Gain Min, 1 to 30, MaxTypical Mastering Dynamics Control Adjustment Peak Expansion MeterInput Meter Gain Reduction MeterTypical Mastering Dynamics Control Adjustment LIVE-FOH Front of HouseLive-FOH Programs Adjust Tap Parameter Descriptions Parameter Descriptions Parameter GraphicsParameter Descriptions Parameter Glossary CmpRels To 250msec DepthDiffusion Dly Fbk To 100%DlyTapLvl Drum Dep To 100%Drum Res Duration 140 to 700msHighSlope and LowSlope Horn Dep To 100%Horn Res IntrvlPhase To 270deg PreDelay 0ms to 1.198secMix Dry, 1 to 99%, Wet MstrRate To 100%Rate To 50.05Hz RvbLvl Res 1Shape ResonancSpeed Speed 1Spread Sweep To 100msWavform Setting DescriptionWidth Midi Operation Learn Mode Midi Channel AssignmentProgram Change Messages Loading Programs Midi Program BanksActivating Bypass or TAP Functions Continuous ControllersMidi Operation Midi Clock Sysex Messages Midi Implementation Chart Function Transmitted Recognized RemarksYes Appendix Specifications AppendixDeclaration of Conformity Index Index MPX Limited Warranty Customer Support Dry Tracks Total Time