D16 Group Decimort Manuel utilisateur
User Manual
High Quality Bit Crusher
1
Overview
Overview
Decimort is a stereo high quality (ultra low aliasing) bit crusher.
After loading the plug-in within a host application, the GUI will appear:
There are two sections:
• Congurationandpresetmanagement
• Signalprocessingcontrolsectionconsistsoftheallremainingcontrols.
1
Decimort graphical interface
Conguration and preset management section
2
Signal ow •Basic modules
2
Signal ow
Thischapterdescribesthepathofthesignal’sowthroughtheDecimortplug-in,presentsthebasiccomponents
of this effect unit and its control parameters.
Basic modules
The inside of Decimort consist of a few basic components, that correspond to the sections on the graphical interface:
Dual decimation unit
It is able to process two channels separately (left and right of stereo channel) in stereo mode, or only single channel
(left) in mono mode.
Decimator is controlled by two parameters:
• Bits – Number of bits the input signal is downgraded to. Values we can choose from
range 1 to 16 bits and additional value: Off, which means the input signal won’t be
downgraded in amplitude domain.
• Frequency – New sampling frequency to which the is degraded to in time domain.
There’s yet another control on a GUI, namely AA LFP – Anti Alias Low Pass Filter. Turn
thisbuttonontosetadditionallowpassltersynchronizedwithFrequency, to protect
the signal against a “resampling images”.
Dual decimation unit
3
Dual lter section
After(orbefore)crushingsignalwecanalsolteritabitbyanalogue-like(pass/reject)lterswithadjustable
resonance. There’re two such units – one for each channel (left and right), connected in series with a bit crusher.
Singleltersectioniscontrolledbyafollowingparameters:
• Filter type–There’re4typesoflterswecanchoosefrom:LP (low pass),
BP (band pass), HP (high pass) and BR(bandreject).OFF position – turns
thelteroff.
• Cutoff–CutofffrequencyforLP and HP, and center of the band for BR and BP.
• Reso/B.Width – Resonance for LP and HP, and band width for BR and BP.
• Order – This switch has two values: when switch set to Pre,signalisltered
then decimated, Post–inthisposition,signalisrstdecimatedandthen
ltered.
Master section
Thissectioncontrolstheendofsignal’sow.TheFxknobdenestheratiobetweenthe
processed/unprocessedsoundthatissenttoanaudioout.Output volumecontrolsthenal
amplication.
Link paramsbuttonworksonlyinstereomode.
Turningthisparameteron,makesallcomponentscontrollablebytheknobsofonlyleft
channel.Itmeansthattheparametersofthedecimatorandltersforleftchannelwillbe
assigned to their equivalents in the right channel as well. The left and right channel will be
processed individually with the same parameters.
Turningthisparameteroffwillmakeprocessingleftandrightchannelcompletelyindependent.
It allows to achieve very interesting stereo effects.
Dual ltering unit
Master section
2
Signal ow •Basic modules
4
Path of the signal’s ow
Seepicturesbelow,thatshowthesignalpathinsideDecimort.
Signal ow through decimator and lter in mono mode
Decimortinsertedintothemonotrackworksinmonomode.Tocontrolparametersforsignalpathinthismode,use
GUI controls only for the left channel.
Mono signal ow through decimator and lter only
2
Signal ow •Path of the signal’s ow
5
Signal ow through decimator and lter in stereo mode
Stereo signal ow through decimator and lter only
2
Signal ow •Path of the signal’s ow
6
Preset Management
Browsing presets
Presetsintheplug-inarehierarchicallyorganizedingroupsand,contrarytothelinearstructure,thissetting
is not compatible with the native methods used within the host application. The user can see the presets assigned
to particular groups in the Preset Manager.Groupscanbealsodenedbytheuser.
Controlsavailableinthepresetselectionsection:
• Preset name – Displays the name of the selected preset. Allows editing of the preset name before saving
thepreset.Clickingonthecontrolcausesashiftintoeditmode.Afterapplyingchangesthroughthekeyboard,
conrmthenewnamewiththeEnterbutton.
• Prev/Next–Buttonsusedtonavigatethroughthepresetbank.Next button moves the browser to the next
preset. If the current preset is the last preset in a group, pressing Nextmovesthebrowsertotherstpreset
in the subsequent group. Prevbuttonmovesthebrowsertothepreviouspreset.Ifthecurrentpresetistherst
preset in a group, pressing Prev moves the browser to the last preset in the preceding group.
• Prev + CTRL – Prev button pressed while holding CTRL copies the edited preset to the buffer.
• Next + CTRL – Next button pressed while holding CTRLpastesthebuffertothecurrentpresetwithpostx
“_copy” added to its name.
• Browse – Opens a Preset Browser menu in the bottom part of the GUI.
Conguration and preset management section
Note: On MacOS
use Apple CMD
key instead
of CTRL key.
3
Preset Management •Browsing presets
7
Changesinthepresetbankarenotpermanent.Afterremovingandreloadingtheplug-in,thedefaultpresetbank
willbeloaded.However,savingtheprojectwithinthehostapplicationwillalsosavethestateoftheplug-inincluding
changesinthepresetbank.Afterreloadingtheproject,allchangesinthecurrentparametersettingsandinthepreset
bankwillberestored.
Preset Browser
Asitwasmentioned,thepresetbankintheplug-inhasahierarchicalstructurei.e.presetsareorganizedingroups.
PresetscanbeselectedbyNext/Prevbuttons,whichnavigatethroughthestructureinalinearwayorbyusing
the Preset Browser. The Preset Browserisatoolwhichallowstoeasilymanagethepresetstructure.Toopenit,click
Browse in the preset selection section:
Conguration and preset selection section
3
Preset Management •Browsing presets •Preset Browser
8
The Preset Browser will
unfold under the GUI:
Preset Manager
Theleftsideshowsthelistofgroupsinthepresetbank: The right side shows the list of presets in the selected group:
List of groups in the preset bank List of groups in the preset bankList of presets in the selected group
3
Preset Management •Preset Browser
9
Actions available in the Preset Browser:
• Clickingonaslotinthepresetlistloadstheselectedpreset.
• Clickingonaslotinthegrouplistselectsagroupofpresets.
• Bothpresetsandgroupscanberenamed.Doubleclickingonaslottoggleseditmode.Afterenteringthenew
name,pressentertonish.
• Thebankofpresetshasexactly128items.Thenumberofpresetscannotbechanged.Thismeansthatthere
is no possibility of adding or removing presets. Only relocating them between groups or changing their order
is possible.
By dragging the preset you may:
– Changeitspositioninthegroupbydroppingitinadifferentslotinthelistofpresetsinaselectedgroup.
– Move the preset to a different group by dragging and dropping it in the chosen slot in the group list.
HoldingCTRLorSHIFTandusingthemousebuttonallowstoselectmorepresets:
– HoldingCTRLandclickingonpresetsselectssingleitems.
– UsingSHIFTallowstoselectarangeofpresets.Therstclickmarksthebeginningoftherangeandthesecond
clickmarkstheend.
When more than one presets are selected, it is possible to drag them to a different group.
Note: Changing
the order of
presets in a group
is possible for
a selected single
preset. Changing
the order by
dragging several
presets in a group
is inactive.
3
Preset Management •Preset Browser
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