12
Routing Options and Processing Blocks
DuetothecompletelynewDSPplatform,theroutingpossibilitieswithintheDSO480 havebeenmade
completelyflexible,withamatrixavailableallowinganycombinationofinputstoberoutedtoanyoutput.
TheadditionalDSPpowerhaspermittedtheinclusionofmoreprocessingblocks,evenconsideringthe
extrainputsandoutputs,andthedoubli
ngofsamplerate.
Toreduceset‐uptimeandaidusability,severalstandardconfigurationsareavailableasdescribedinalater
section.
Thissectionwilloutlinetheprocessingblocksavailableinrelatio ntothesignalpath,andexplainthe
variousoptionsforrouting,includingthe“FreeAssign”mode,wh
ichopensupcompletelyflexiblechannel
routing.
Input Channel Makeup
Thediagrambelowshowstheprocessingavailableoneachofthefourinputchannels,beforeroutingtothe
matrix.
Output Channel Makeup
Thediagrambelowshowstheprocessingavailableoneachoftheeightoutputchannels,afterroutingfrom
thematrix.
PresetRoutingConfigurations
Inadditiontotheabilitytoassignanycombinationofinputstoanyoutput,anumberofpreset
configurationsareprovided,forusewhendesigningacrossoverfromscratch.Thesehavetheadvantageof
suggestedsettingsforthehighandlowpassfilterstousefulbasicstartingpoints,tofilterthedifferent
outputsasappropriateforthechosenconfiguration.Thesemay,ofcourse,befreelymodifi
edafterwards
shouldtheynotsuittherequirementsexactly.
Thediagramsonthefollowingpagesshowtheconnectionsmadebetweeninputsandoutputs,andthe
suggestedvalueschosenforthehighandlowpassfilters.