USER MANUAL - AudioFront
USER MANUALVersion 1.5
Table of ContentsIntroduction.4Features at a Glance.4The Hardware and Connections.5Supported Pads.6Supported Hihat Controllers.6Getting Started.7Attaching the Drum Stand Clip.7Installing the Control Application.8Enabling eDRUMin in your MIDI Applications.8Connecting Drum Pads.9Loading a Preset.9Changing Note Assignments.10Manually Setting Trigger Settings.10The Control Application.11The Input Selector.11Sidebar.12Trigger Editor.12Pad / Input Type Settings.13Calibrate Mode.14Transient Scanning Controls.15Crosstalk Cancellation.16Articulation Scalers.16Sense Controls.17Rimshot Range. 17Hotspot Suppression. 17Edge Sense. 18Bell Sense. 18Positional Sensing.19Note Panel.20Assigning MIDI Note Values to Articulations.20Load Notes from a Drum Map.21Response Curves.21Advanced Mode.22Working With Note Banks.22Working with Independent Curves.22Using a Roland BT-1.23Preset Manager.24eDRUMin ManualPage 2 of 47
Creating User Presets.25Working with User Presets. 25Importing Presets. 25Pedal Editor.26Pedal Type and Pedal Sensing.26Hihat Controllers and Expression Pedals.27Calibrating Your Pedal. 27Modes for Expression Pedals and Hihat Controllers.27Hihat Mode CC.28Link Hihat Cymbal Trigger Input.28Adjust the MIDI settings for your Pedal.28Adjusting the Responsiveness Closed Hihat Notes and Splashes.29Adjusting the Dynamics of the Hihat Position CC.30Hihat Levels Mode. 31Advanced Hihat Options. 32Setting up VH-12 and Hall Effect Sensors.33Setting up your Hihat for use in Virtual Instruments.34Sustain Pedals and Footswitches.35Using a Latching Type Footswitch.35Modes for Sustain Pedals and Footswiches.35Using a Pedal for Bank Changes.36eDRUMin 10 USB Host Port and MIDI Ports.37The Flow of MIDI Messages.37Updating Firmware.38Changing Colors.38iOS Control Application.39Getting Connected.39Camera Connection Kit.39Network MIDI.39About Power in iOS.40Appendix.41Working With Multiple Devices on Separate USB Ports.41Controlling Banks with MIDI Program Change Messages.42Setting up your Hihat on its Stand.43Tips For Working with Audiofront Controls.44Drum Pad Wiring Diagrams.45Pedal Input Wiring Diagrams.46MIDI Implementation.47eDRUMin ManualPage 3 of 47
IntroductionFeatures at a GlanceeDRUMin devices are e-drum to MIDI interfaces with universal trigger inputs supportingpad, cymbals, and acoustic triggers. Flexible trigger circuity that allows them to supportboth piezo / piezo pads and piezo / switch pads. 10 bit sampling at up to 10K samples /per second / input ensures high resolution triggering with extremely low internal latencyand jitter.Supports Roland andYamaha 3-way triggeringRoland Bell Sense for 3-Waytriggering using a single inputHotspot suppression formesh pads.Full Size MIDI ports forinterfacing 3rd party gear *Positional Sensing for meshpads with center mountedpiezo.Hihat input supporting Yamahaand Roland style controllersBezier Velocity CurvesUSB Host port for expansion **Ultra compact and portabledesignPowerful and intelligent UI foreasy setup* eDRUMin 4 only has a MIDI Out port while the eDRUMin 10 has both MIDI In and Out.** USB Host port is only available on the eDRUMin 10.eDRUMin ManualPage 4 of 47
The Hardware and Connections49V DC Connector (if not using USB)Status IndicatorMIDI IndicatorUniversal Trigger InputsFull Size MIDI OUTController InputFull Size USB B1010 Universal Trigger InputsPowerSwitch / LEDDual ControllerInputsExternal 9V Power(if not using USB)StatusLEDUSB 2.0 Host PortSupports up to 4eDRUMin / USB MIDIFull SizeMIDI portsMIDI PortActivity LEDsUSBType BConnectorPedal InputThe pedal input on the back of the eDRUMin does not support drum pads. TheJack uses DC current which can damage the drum pads. Look on the nextpage for more information about the type of pedals you can connect.DC Power ConnectoreDRUMin typically gets its power from the USB cable. If you want to use your eDRUMinwithout a USB connection, you can power it using a USB charger or the DC Power Jack.eDRUMin devices use a BOSS style jack, where the center pin is negative.The eDRUMin 4 needs at least 100mA, and the eDRUMin 10 needs at least200mA, or 600mA if also using the USB host port. The BOSS PSA-120S isgreat choice for either device.eDRUMin Manual7 - 9V (200 mA)Page 5 of 47
Supported PadseDRUMin supports all kinds of e-drum pads and triggers. It doesn’t matter if your padsare made by Roland, Yamaha, Alesis or anyone else; they are well supported. Here’s alist of the gear used during development.Electric Drum PadsElectric CymbalsAcoustic TriggersRoland PDX-125kRoland PD-8Roland KD-8Roland KT-10Roland HD-1 TomsRoland BT-1Yamaha TP-65sYamaha TP-120SDDDT MS-140CRoland CY-13RRoland CY-15RRoland CY-8Roland VH-10 HihatRoland VH-13 HihatYamaha PCY155Roland RT-30HRNote: Center mounted mesh tigger systems that use cylinders instead of cones (Jobeky for example)tend to produce signals that are too hot for the eDRUMin inputs. Visit the eDRUMin forums for moreinformation.Supported Hihat ControllersThe hihat controller input on the back of the device supports both Roland and Yamahastyle hihat controllers, expression pedals, sustain pedals, and footswitches. Look in theAppendix for wiring diagrams for supported pedal types.Note: When setup as an expression pedal, the pedal input can supply 3.3V to power most 3.3Vcompatible Hall effect sensors.Typically this input is used for a hihat controller, but it can also be used to Change Banksof notes, send Control Change messages and more.Pedal Sensing automatically sets up your pedal. Always connect the cable to your pedalbefore connecting to the eDRUMin. Look here to see what the various types of pedals cando. Here’s a list of the pedals I used during development.Hithat ControllersExpression PedalsSustain PedalsFootswitchesYamaha HH65Roland FD-8Roland VH-11Roland VH-13Moog EP-3Roland EV-5Yamaha FC7M-Audio EX-PBehringer FCV100Line6 EX 1Yamaha FC3AYamaha FC4Yamaha FC5ARoland DP-10Yamaha FC5Boss FS-7Marshall 90010eDRUMin ManualPage 6 of 47
Getting StartedAttaching the Drum Stand ClipYou can use the optional drum stand clip to attach your eDRUMin to the frame of a drumstand or a hihat stand.Below are instruction for attaching the clip of the eDRUMin 4, but the process is the samefor the eDRUMin 10. Make sure your clip is very tight to ensure there’s enough friction toprevent slipping.Insert the strap through the slot tomake a loop.Place the eDRUMin inside the loop. Withthe device centered on the clip, pull thestrap tight.Place the device and the clip against theframe of your drum stand. Wrap the straparound the frame and insert it through theslot.Pull the strap very tight and wrap backaround the device. Stick the Velcro tosecure it in place.eDRUMin ManualPage 7 of 47
Because eDRUMin devices are class compliant, there’s no need to install drivers. You willhowever want to install the Control Application to edit the device settings.Installing the Control ApplicationThe Control application is available for Windows,macOS, and iOS and can be downloaded from theAudiofront downloads.The Control Application is discussed in detail inthe next section of the manual.Enabling eDRUMin in your MIDI ApplicationsWhen you use your eDRUMin for the first time with a new application, you might need toenabled it for input in the application's audio / MIDI setup. Here are some screenshotsshowing how to enable eDRUMin in various applications.REAPEReDRUMin ManualPage 8 of 47
Connecting Drum PadsThe 1/4” inputs on the front of the device are for connecting drumpads. Make sure you connect your pads with TRS connectors. Thedevice is not designed to work with TS connectors. Even if you areusing a single zone pad, you should still connect it with a TRS cable.When plugging in a pad, connect the cable to the drum pad before connecting it to theeDRUMin. This allows the device to do checks to ensure your pad is setup properly.Some ride cymbals have two TRS connectors. If you plan two use both connections for 3way triggering, connect them to two adjacent inputs as shown in the image below. Next,set the pad type of the BOW / EGDE input to ‘Roland 3-Zone Ride’ and the second inputwill automatically be marked as ‘Bell’For ED10 , the BOW / EDGE connectorshould be plugged into the top input,and the BOW / BELL on the bottom.For ED4 , the BOW / EDGE connectorshould be on left, and the BOW / BELLshould be on the right.Loading a PresetYou can load presets your your pads and hihat controller by clicking on thePreset Manager Icon.1Open thePreset Manager2 Select an input3 Double-click a preset to load itFilter presetsby brandFilter presetsby typeUse the ‘Brand’ and ‘Pad Type’ filters to quickly find your pad. If a preset for your pad isnot available, you’ll need to set it up manually by setting the pad type and adjusting thetrigger settings, described on the following page.Look here for more information about use the Preset Manager.eDRUMin ManualPage 9 of 47
Changing Note AssignmentsDrum Map ButtonThe default note assignments for each input areall the same. They are mapped to the MIDI noteassignments of a Roland snare. You can changethe assignment of individual articulations usingthe individual note controls or use a Drum Mapto load all the notes for each articulation at thesame time.Note: By enabling Advanced Mode, you can configure 4 separate banks of notes for each input andswitch between the using a footswitch or sustain pedal.Manually Setting Trigger SettingsIf a preset is not available for your pad, you will need to manually adjust the triggersettings for your pad.Click to select Pad TypeSetting the Pad TypeThe default pad type for each inputis set to a mesh head with a centermounted piezo. Use the Pad TypeSelector to chose the settings thatmatch your pad. Look here for moreinformation about setting the PadType.Adjusting Basic Scan SettingsTo the right is an image of thedefault transient scan settings.These settings were chosen to workfor a wide variety of pads, triggersand cymbals.While the default settings shouldwork out of the box, you will need toadjust them to get the best possibleperformance from your pads.When approaching how to adjust these settings, the basic idea is to make sure the greenSCAN area covers the main peek of the transient. The HOLD control needs to cover anylate arriving peeks, and the decay should loosely follow the natural decay of thetransient.The Transient Scan Controls are discussed in depth here.eDRUMin ManualPage 10 of 47
The Control ApplicationAs your eDRUMin has no buttons or controls, you’ll need to use the software controlapplication to edit settings on the device.The Control Application doesn’t need to be running for the device to work. All theprocessing and settings are saved on the device itself. By default, any changes youmake with the Control Application are saved automatically 5 seconds after the last edit.Make sure you wait a few moments after making a change before unplugging the device.The Control Application can be resized as you see fit. Just grab one of the corners anddrag it to the size you want. The size and position are saved and restored the next timeyou open the application. Also, you can easily move the application around by clickingand dragging on any empty space in the background of the application or controls.The Input SelectorThe topmost part of the eDRUMin control application is reserved for selecting the deviceand input you want to edit.An input can be selected for editing by clicking on its graphic. Assuming the Auto-Selectcontrol is on, you can simply hit a pad and it will be automatically selected and ready forediting.If you have more than one device connected, icons for each device become visible onthe right hand side, allowing you to select which device you want to edit. The top row ofdevice icons are for devices that are connected by difference USB ports. Devicesplugged in the USB host port of an eDRUMin 10 appear on the bottom row.eDRUMin ManualPage 11 of 47
SidebarThe Sidebar gives quick access to pages of controls as well as a few useful settings.By default eDRUMin devices will auto save their settings. By clicking on ‘Auto’ tounhighlight it, you can switch to manual saving mode. When a device’ssettings are dirty, the disk icon will turn white and clicking it will save itssettings.The Preset Manager always you to quickly load and save settings for pads,hihat controllers, and device snapshots.When Auto-Select is active, you can select an input for editing by simply hittinga drum that’s plugged into it. Auto-Select is temporarily disabled while asetting is being changed and during calibration. During that time you’ll see thecontrol dim slightly.The Always on Top control is only available for the Windows version of theControl Application. It keeps the Control Application in front of any otherwindows.A convenient link to this document.This button launches the Firmware Update section. You’ll see an orange (!) tothe side of this icon if a firmware update is available. You can also look in thissection it you want to do a factory reset. Look here for more info.Trigger EditorThe Trigger Editor is divided into functional groups for configuring the type of pad,adjusting basic scan settings, processing sense data, and controlling the MIDI output.The sections are outlined in the image below.Pad / Input Type SettingseDRUMin ManualSense SettingsTransient Scanning ControlsOutput SettingsPage 12 of 47
Pad / Input Type SettingsWhenever you connect a new pad to the device, these are the settings you should adjustfirst.Pad Type SelectorYamaha Wiring ToggleActivate Calibrate ModeInput ModeReset SettingsInput ModeEach input can function as a stereo input (for dual / triple zone pads), mono (single zonepads), and dual mono (two single zone pads connected to a single TRS cable).Pad Type SelectorClick to select Pad TypeThe pad type selector determineshow the input will be wiredelectronically, and which controlsare available to edit.When you press the Pad TypeSelector, the following panelappears and you can select thetype that best matches your pad.Even before you plug in a pad, you should probably adjust this setting. If the input is setto a piezo / switch pad, but you connect a piezo / piezo pad, the wiring of the input canput strain on the ring piezo. To protect your pads, it’s best to unplug the TRS cable fromthe eDRUMin when changing pads. This allows the eDRUMin to identify the type of padwhen it’s plugged to detect compatibility issues.Take a look in the appendix for wiring diagrams.Yamaha Wiring ToggleeDRUMin devices support both Roland and Yamaha style wiring. Some of the SensingControls need to know how the pad is wired in order to work properly. If, for example,the Hotspot Suppression is not working well for you, it could be that you need to togglethis switch. Look at the Wiring Diagrams in the appendix for more information abouthow pads should be wired.Reset Input SettingsThis control loads the factory default settings of the currently selected input.Activate Calibrate ModeCalibrate mode allows you to set basic scan settings for your pad by simply hitting it withyour drum sticks. Look on the following page for more information.eDRUMin ManualPage 13 of 47
Calibrate ModeCalibrate Mode is designed to allow you to quickly setup a pad without needing to fiddlearound with controls. You simply turn on Calibrate Mode, hit your pad to calibrate it, andturn it off again when you are done.Before turning on Calibrate mode, make sure that you have already selected theappropriate pad type.When you first activate Calibrate Mode, the GAIN, THRESH, SCAN, HOLD, and theSCALER controls will be highlighted in green. As you hit the different parts of your pad,the controls are adjusted automatically to provide enough headroom. The harder you hit,the more headroom is provided. You can override the automatic calibration of anycontrol by moving it with your mouse. The control will lose its green highlighting and willno longer be automatically adjusted.When you are happy with the results, turn Calibrate Mode off to save the settings.Calibrating a Dual Piezo Pad / TriggerStart by hitting the pad off-center to calibrate the gain control. Avoid hitting directlyover the sensor of the pad, as this can drag down the gain control too quickly.Next, hit the head of the pad near the edge. This will help get a good calibration for theHOLD control.Lastly, hit the rim of the pad to calibrate the X-stick SCALER.Calibrating CymbalsBegin my hitting the bow to calibrate the gain of the pad. Next hit the edge and the bellto calibrate the SCALERS.eDRUMin ManualPage 14 of 47
Transient Scanning ControlseDRUMin provides a very clear graphical representation of the transients from your padswhich makes adjusting controls intuitive and easy.Scrolling VU MeterTip Piezo TransientRing Piezo TransientThe amplitudes and time scales in thegraphics are not linear.Theamplitudes are exponentially scaled sothat more detail and resolution isavailable for low amplitudes, making iteasier to properly set the Threshcontrol. Similarly, the time scale isalso scaled exponentially to give moredetail and resolution at the very startof the transient, making it easier toaccurately set the Scan control.GainThe gain control acts as a master gain for the input. Adjusting it affects thevelocities of all articulations.To adjust the velocities of individualarticulations, take a look at the Articulation Scalers.Input GainThreshThis is the minimum amplitude required to start scanning a transient. Makesure you set it a bit above the noise floor or you will get false triggers,especially when the Control Application is running.ScanDragging anywhere on the green scan area will allow you to change the SCANtime. You want to keep the SCAN time as short as possible, while ensuring thatit covers the major peeks at the beginning of a transient. Scan time adds tothe overall latency of the generated MIDI notes, so a compromise betweenvelocity accuracy and note latency has to be made.Note: The Hotspot Suppression and Positional Sensing features need at least 2.3 ms of scan time tofunction properly. If the scan time is less than 2.3 ms, they will be disabled.HoldOften a high peek arrives late in a transient. In the graphic above, you’ll see that thehighest peek actually comes at about 9 ms. Any late peaks need to be covered by theHOLD control of they will cause a second hit to be registered. Keep in mind that longhold times limit the device’s ability to trigger accurately during drum rolls and buzz rolls,so don’t set it any longer than it needs to be.DecayThe last of the transient scan controls is the DECAY control. You need to adjust it toloosely follow the natural decay of your transients. If you are too aggressive (try tofollow the natural decay too closely), you could end up with double hits. At the sametime, if you leave this control too relaxed, the device’s ability to track fast drum rolls willbe compromised.eDRUMin ManualPage 15 of 47
Crosstalk CancellationVibrations fromhitting adjacent padSometimes vibrations from hitting one pad can travelthough a drum stand and into an adjacent pad,registering a hit even though it hasn’t actually beenhit. This is called crosstalk. The CROSSTALK control isdesigned to prevent those vibrations from triggeringnotes.To better see the effect of this control, turn AutoSelect off, and watch in the Scrolling View as youhit adjacent pads. The amount of crosstalkcancellation is shown in red.Adjust theCROSSTALK control until the red covers the bluevibrations.Crosstalk cancelationapppliedMIDI coming into the device from the USB port is also used in the calculation of crosstalk.If for example you are using 2 eDRUMin devices, you can use a DAW environment toroute the output of one device into the other and vice versa. This will help preventcrosstalk between the two devices.eDRUMin 10 devices also apply crosstalk cancellation to MIDI coming in from deviceconnected to the USB host port and MIDI in DIN. Look here for more information aboutthe flow of MIDI between connected devices.Articulation ScalersDepending on your input settings (input mode and pad type), oneor two articulation scalers will be visible.For a stereo dual zone pad, the scaler controls are called X-stickand Rimshot. For a 3 zone cymbal (using two inputs or Bell Sense),they are called Edge and Bell.The velocities for various articulations are calculated based on the GAIN controlmultiplied by the respective scaler. These settings are automatically calculated whenyou calibrate you pad using Calibrate Mode.eDRUMin ManualPage 16 of 47
Sense ControlsThe sense controls that are available depend the Input Mode and Pad Type settings.Most of the Sense Control are more advanced controls and you should make sure youhave your pad triggering well before adjusting these controls.Rimshot RangeThe Rimshot Range control allows you to fine tune rimshot sidestickdetection on dual piezo pads. It consists of an indicator rimshotand three sections. The yellow section represents a head headhit, the green section represents a rimshot, and the darkgrey is for sidestick.indicatorWhen you hit the head of your pad, the indicator will move to the left, and when you hitthe rim, the indicator will move towards the right. The section that lies under the top tipof the indicator determines which articulation is triggered. In the image above, arimshot is triggered. Watch the position indicator and adjust the size of the sections.Hotspot SuppressionOne of the annoying qualities of a mesh pad with a centermounted piezo is a sensitive region of the drum head directlyover the piezo.The Hotspot Suppression control detectsimpacts over the piezo and suppresses their amplitudes,evening out the response of the entire playing surface.The hotspot suppression needs about 2.3 - 3 ms of data to work properly. If you havethe SCAN control set below 2.3 ms, the control will become disabled.Start by adjusting the AMOUNT control to zero. Next, watch the meter of the THRESHcontrol as you hit different parts of the drum head. As you hit the pad around thehotspot, you should see the meter values increase. Set the THRESH control so that hitsaway from the hotspot register in the dark part of the meter, and hits over the hotspotregister in the green part of the meter.After you have properly set the THRESH, adjust the AMOUNT control to reduce theamplitude of the hits that register in the green part of the meter.Note: Hotspot suppression is designed to work with Roland style pad construction. It works by analyzingthe waveform coming from a pad. If the incoming signal coming from your pad is not clean and free ofnoise, this feature will not work. This is a particular concern for A E conversions and DIY padconstruction. Visit the eDRUMin troubleshooting forum for more information.Note: When you change drum sticks, you might need to adjust the THRESH control. Generally speaking,heavier sticks will need a slightly lower THRESH, and lighter sticks will need a higher THRESH.eDRUMin ManualPage 17 of 47
Edge SenseWhen the Input Mode is set to ‘Mono
Roland EV-5 Yamaha FC7 M-Audio EX-P Behringer FCV100 Line6 EX 1 Yamaha FC3A Yamaha FC4 Yamaha FC5A Roland DP-10 Yamaha FC5 Boss FS-7 Marshall 90010 eDRUMin Manual Page 6 of 47. Getting Started Attaching the Drum Stand Clip You can use the optional drum stand clip to attach your eDRUMin to the frame of a drum
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