Dolby Laboratories DP570 A.3 Calibrating Speaker Playback Levels

64 Dolby® DP570 Multichannel Audio Tool User’s Manual
Configuring a Monitor System
Surround Delay
CminusS(C–S),theshorterofthetwosurroundspeakerdistances,equalsthesurround
delaysettinginms.
Calculating Pro Logic Delay
ProLogicdelaycalculationincludesanadditionalfactor.CminusSplus15(C–S+15)
equalstheProLogicsettinginms.
A.2.2 Entering Delay Values
Entering Delays in DolbyRemote 570
UsethedialstoenterthedelayvaluesintotheDelayfieldsshowninFigure A‐6.You can
alsotypeinthefields.
FigureA‐6
Figure A-6 Speaker Delay Values
A.3 Calibrating Speaker Playback Levels
Thefollowingsectionsdiscussandillustratethestepsinspeakercalibrationintheorder
theyshouldbeperformed.Normallythisentireprocessneedonlybeexecutedoncefor
eachsetofmonitorspeakers.Wedorecommendperiodiccheckstoverifythatcurrent
settingsarestillappropriate.
A.3.1 Setting the Digital Reference Level
Setthisleveltomatchyourstudioʹsdigitalreferencelevelbeforeturningonatestnoise
whencalibratingyourspeakersystem.
Thedefaultvalueis–20dB.AdjustitusingthedialshowninFigure A‐7.