User`s manual

8
Introduction
TheDSO480ispowerfulDSPbasedaudioprocessors,ideallysuitedforinstallapplications,wherethey
combinethefunctionsofamultitudeofconventionalproductsinacompact1Uunitwithextensiveremote
controlcapabilities.Toachievethis,theunitshaveuptofourinputsandeightoutputswhichcanbe
configuredinaselectionofbasiccrosso
vermodes–4x2way;2x3way+2Aux;2x4way;and1x8way
(asapplicabletoi/oconfigurations).Theyalsooffera“freeassign”mode,whichallowscompletelyflexible
routingofanyoutputfromanycombinationofin
puts.

Eachinputhasagaincontrol,variabledelay,aeightbandsoffullyparametricequalisation.Theparametric
filterbandshavealargeselectionofdifferentfiltertypesavailable,includingshelving,notch,band‐pass,
phaseandellipticalbehaviours.

Eachoutputhasagaincontrol,variabledelay,highandlowpasscrossoverfilters,nineban
dsoffully
parametricequalisation,polarityswitchingand,additionally,afullyfeaturedlimiter,andafinalcliplimiter.
Thecrossoverfiltersofferslopesofupto48dB/Octave.,withavarietyofresponsesavailable.

RemotecontroliscateredforintheformofRS232,andmultipleusermemoriesareprovidedforthe
storageandre
callofsettings.

Securitylock‐outisavailableforallcontrols.

TheDSO480isalsoequippedwithAES/EBUdigitalinputs,andincludeasamplerateconverter,capableof
acceptinganythingfrom32kHzupto192kHz.

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Features

Superbaudioquality–carefullyoptimiseddoubleprecisionsignalprocessingcoupledwith24bit
conversionensureadynamicrangeinexcessof116dB.Thehighsamplingrateof96kHzmeansminimal
filteringprovidingexceptionalsonicpuritywithabandwidthinexcessof32kHz.

Aflexibleinput/outputmulti‐modeformatcatersfo
ranyconfiguration,regardlessofscale.

Bothroutingofinputstooutputs,andganging(fore diting)arecompletelyflexible.

AcompletelynewSHARC
TM
basedDSPplatformsuppliesphenomenalcomputationalpower,allowingthe
unittoprovidemultiplebandsofstandardparametricequalisationoneveryinputandoutput.This
additionalpoweralsopermitsbothprogramlimitersandnoovershootcliplimitersoneachoutput.
Delayofupto650mSmaybeindepen dentlysetforeachoutput,withanexce
ptionallyfineminimum
incrementof300nS,whichcorrespondstoadistancechangeof0.1mm!
Thecomprehensivestandardspecificationalsoincludesupto255memories,andremotecontrolviaRS232
withsecuritylockout.algorithmensuresthatnomatterhowmuchequalisationisappliedtoachannel,
therewillalwaysbesufficientheadroomavailabletocaterforit
.