Audiofront midi expression Bedienungsanleitung
MIDI Expression User Manual
Quaro
iO
Updated 03/01/2018
Table of Contents
Introduction.........................................3
Features......................................................3
Pedal Sensing Technology..........................3
Class Compliant...........................................3
Standalone peration..................................3
Colors..........................................................3
n-Board LED.............................................4
Parameter Feedback...................................4
Value Persistence........................................4
Default Settings...........................................4
Getting Started....................................5
Setting Up Your MIDI Software....................5
Changing Device Settings............................5
Control Application.............................6
Standalone vs. Plugin Mode........................6
Device and Input Selector............................7
Sidebar........................................................7
Input Editor..................................................8
Pedal Type Panel........................................8
Using Expression and Hihat Pedals....9
Controls for Expression and Hihat Pedals....9
Modes for Expression and Hihat Pedals....11
Basic Modes..............................................11
Note and Hihat Modes..............................12
Using Sustain Pedals........................ 3
Controls for Expression and Hihat Pedals..13
Modes for Sustain Pedals..........................14
Basic Modes..............................................14
INC / DEC Modes......................................14
Dual CC Mode...........................................14
Keyboard Modes.......................................15
Using Footswitches........................... 6
Linked Modes for Footswitches..................16
Routing and Effects........................... 7
MIDI Effects Processor..............................17
Routing......................................................17
USB MIDI Loopback..................................17
MIDI Activity Monitor........................ 8
MIDI Effects Processor..................... 9
Routing Sources to the Effects Processor..19
MIDI Effects Processor..............................19
Input Channel............................................19
utput Channel.........................................19
Transpose.................................................19
Effects Processor Modes...........................20
Channel Jump...........................................20
Channel Inc / Dec......................................20
Transpose.................................................20
Snapshot Manager.............................2
Plugin Version...................................22
Why Would You Want to Use It?..............22
Adding the Plugin To Your Project............22
Activating and Deactivating inputs............22
Using presets............................................23
iOS Version........................................24
Getting Connected.....................................24
Camera Connection Kit.............................24
Network MIDI............................................24
MIDI Cables (MIDI Expression i )............26
Updating the Firmware.....................27
Changing Colors........................................27
Pared-Down Firmware...............................27
Wiring Diagrams................................28
MIDI Implementation.........................29
MIDI Expression Manual page 2 / 28
Introduction
If you've purchased a MIDI Expression device, thank you for your support and I hope you enjoy
using it.
This manual gives you a good look at how MIDI Expression devices and the MIDI Expression
Control application work. While they are both easy and intuitive to use, this manual is worth
reading to familiarize yourself with their features and to discover aspects of their use that are not
so obvious.
Features
•Pedal Sensing Technology.
•Polarity reversing inputs.
•Class compliant driverless implementation.
•Standalone operation (MIDI Expression i )
•Powerful preset editor.
•n-Board LED.
•Parameter feedback.
•Value persistence.
Pedal Sensing Technology
All MIDI Expression devices are designed with the ability auto detect the type of pedal plugged into
them. They can detect expression pedals, sustain pedals, hihat controllers, and dual footswitches.
The pedal sensing feature automatically loads an associated preset based on the type of pedal
plugged in.
Polarity reversing inputs ensure compatibility with pedals from all manufactures. Take a look in the
appendix for wiring diagrams for each pedal type.
Class Compliant
MIDI Expression devices will run on virtually any system that supports USB including Windows,
SX, Linux, i S, and Android, without the need to install drivers. For use in the USB host port of
3rd party MIDI devices such as an iConnect interface, a 'pared-down' version of the firmware can
can be used as described here.
Standalone Operation
The MIDI Expression i can operate in Standalone Mode without a connection to a computer. The
device automatically enters this mode when powered by a USB charger. In standalone mode,
MIDI from MIDI in port is merged with MIDI generated by pedals and is routed out the MIDI ut
port.
Colors
MIDI Expression devices come in six different colors, each with a unique MIDI port name. This
makes it easy for you and your software to distinguish multiple MIDI Expressions plugged into the
same computer. The 'color' of a device can be changed by updating the firmware installed on
the device.
MIDI Expression Manual page 3 / 28
On-Board LED
Each MIDI Expression has an internal LED that provides visual feedback when you plug in the
device, plug in a pedal, or select a device with the Control Application. The black and blue devices
have opaque encloses, so the LED is only visible by looking through the jack. For all other colors,
the LED is visible through the enclosures.
Parameter Feedbac
MIDI Expression monitors its MIDI IN port and updates its values accordingly, allowing it to stay in
sync with your music software.
Value Persistence
MIDI Expression devices remember their toggle positions and current patch values even after
being unplugged, ensuring that your device is always in the exact state as you last left it in.
Default Settings
MIDI Expression Manual page 4 / 28
Input 1 Input 2 Input 3 Input 4
Expression CC CC CC CC
Chan: 1 CC: 7 Chan: 2 CC: 7 Chan: 3 CC: 7 Chan: 4 CC: 7
Sustain CC CC CC CC
Chan: 1 CC: 64 Chan: 2 CC: 64 Chan: 3 CC: 64 Chan: 4 CC: 64
Hihat CC CC CC CC
Chan: 10 CC: 4 Chan: 10 CC: 4 Chan: 10 CC: 4 Chan: 10 CC: 4
Footswitch CC CC CC CC
Chan: 1 CC: 1 Chan: 2 CC: 1 Chan: 3 CC: 1 Chan: 4 CC: 1
Chan: 1 CC: 2 Chan: 2 CC: 2 Chan: 3 CC: 2 Chan: 4 CC: 2
Getting Started
Because MIDI Expression devices are class compliant, they work 'right out of the box'. Simply
connect your device with a USB cable and you are ready to go.
Setting Up Your MIDI Software
If you want to be able to controlled an application via MIDI, especially in Windows, you will likely
need to enabled the MIDI Expression in the application's audio / MIDI setup. Every application is
slightly different and yet basically idea is the same. Here are a bunch of screenshots showing how
to enable MIDI Expression in various applications.
Changing Device Settings
To change settings for you device, download and install the Control Application, which is
available for Windows, mac S, and i S.
You can learn more about the Control Application on the following page.
MIDI Expression Manual page 5 / 28
REAPER
Control Application
As MIDI Expression devices have no physical buttons, any changes you want to make need to be
done using the MIDI Expression Control application. The window of the application is scalable, so
you can adjust the size to best suit the resolution of your display.
Standalone vs. Plugin Mode
The MIDI Expression Control application comes in two varieties—a standalone version and also a
plugin version. While both varieties work in pretty much the same way, there is one major
difference between them. When you make changes using the standalone version, your changes
are saved directly to the memory in the device itself. However, when you make changes using the
plugin version, the settings are saved in the plugin's own memory and not the device.
When using the plugin version, settings saved in the plugin are uploaded to the device when the
plugin is loaded. When the plugin is unloaded, the settings from the plugin are offloaded and the
settings stored in the device (via the standalone version) are restored. This behavior not only
allows you to have different configurations loaded for each project, but also allows the two versions
of the application to be complementary to each other.
The instructions for the rest of this section are assuming you're using the standalone version. For
the most part they also apply to the plugin version, just remember that the plugin version does
N T save any settings to the device itself and the settings are offloaded once the plugin version is
closed.
Look here detailed information regarding plugin mode.
MIDI Expression Manual page 6 / 28
Device and Input Selector
The topmost part of the MIDI Expression control application is reserved for selecting the device
and input you want to edit.
When using a multi-input MIDI Expression, an input can be selected for editing by clicking on its
graphic in the center of the top header.
If you have more than one MIDI Expression connected, icons for each device become visible
allowing you to select the device you want to edit. The control application supports editing up to
four devices at one time.
Sidebar
The sidebar controls the device settings that you want to edit.
This icon displays the Input editor. You can use it to edit be behavior of your pedals
and the kind of MIDI messages they produce.
The Routing Editor lets you control how MIDI is routed through the device and let
you make adjustments to the MIDI Effects Processor.
The Snapshot Manager let’s you save entire snapshots of your device’s memory,
allowing you to quickly change the entire configuration of a device with a single click.
When the Autoselect option is on (default), the input editor will automatically select an
input for editing when its pedal moves.
nly available on Windows, the n Top option keeps the Control Application on top of
other windows.
This button opens up the MIDI Expression manual. This button in not available on the
i S version of the Control Application.
The firmware for MIDI Expression devices is periodically updated to fix bugs and add
new features. Click this icon to Update Your Firmware.
MIDI Expression Manual page 7 / 28
Input Editor
The Input Editor lets you make changes to the behavior of your pedals and the type of MIDI
messages they produce.
Pedal Type Panel
Each MIDI Expression input has a pedal sensing feature which allows it to automatically detect the
type of pedal plugged in. When the SENSE control is lit green (default), pedal sensing is on and
the pedal type is automatically selected, making the input plug ‘n play.
You can override the pedal sensing by manually selecting one of the four pedal types. When
manually selecting a pedal type, the Pedal Sensing feature is automatically turned off.
Note: With Pedal Sensing off, the input will remain configured for the selected pedal type even after
plugging in a different type of pedal or unplugged the device. To restore the pedal sensing feature for
that input, you will need to ensure that SENSE is switched back on.
The RESET button returns the settings for each of the presets for the currently selected input to
their default values and reactivates the Pedal Sensing feature. If you are using a device with more
than one input, the other inputs will not be affected.
Note: You may need to press the switches on your footswitch controller before it'll be properly detected
as a footswitch.
MIDI Expression Manual page 8 / 28
Using Expression and Hihat Pedals
Controls for Expression and Hihat Pedals
(A) Input Polarity Switch
Expression pedals can be wired in different ways. In order to support pedals from all
manufacturers, the polarity of individual MIDI Expression inputs is reversible.
In older versions of the firmware, the polarity had to be manually changed. With versions of the
firmware greater than 2.3, the polarity of a pedal is automatically detected and this indicator simply
displays the detected polarity.
(B) Mode Selector
Clicking the Mode Selector allows you to change the behavior of the pedal and the type of
message it generates. Look here for more detailed information about modes for expression
pedals and hihat controllers.
(C-D) Channel and Control Change
The values in these boxes can be adjusted in a variety of ways. Firstly, you can drag the values up
or down with your mouse. For more precision, hold down the SHIFT key while you drag. Values
can also be manually entered by double clicking on the box. Lastly, the values can be incremented
and decremented using the up and down arrows.
MIDI Expression Manual page 9 / 28
ABC
E HF
D
G
(E) Expression Curve
The Expression Curve control allows you to customize the response curve of your pedal. It gives
you advanced control of the MIDI output including the minimum and maximum value, as well as the
transition between these values. A typical usage scenario of the Expression Curve would be to
make a log type pot (volume pedal) respond like a linear one (expression pedal) and vise versa.
When you adjust the min, max, or curve, the thick border of the control lights up indicating that it is
on. Clicking anywhere in the background will turn it off again, or more precisely will toggle between
on and off. The MIN and MAX controls show a range from 0 - 127 by default, but you can change
to a percentage (%) value by right-clicking on them.
Here are a few pics showing how the Expression Curve might be used.
(F) Invert
The invert control is pretty straight forward. If you get a value of 127 with the pedal pressed down
and 0 with it up, checking INVERT will give 127 with the pedal up and 0 when pressed down.
(G) Smoothing
This function simply applies a filter to a pedal's input to prevent large jumps or abrupt changes in
the measured value. This is particularly useful in combination with the expression curve control.
Please note that using smoothing adds a small amount of delay. If you need extremely fast
response, turn smoothing off.
(H) Calibrate
If you find your pedal will not output values all the way down to zero or all the way up to 127, then
you may need to calibrate. When calibrating, the calibrate indicator will flash and an indicator
representing your pedal's response range appears. Take the pedal through its full range of a
motion, pressing it all the way up and down a few times. After you are done, click the calibrate
switch again and the setting will be stored in the device.
While calibrating, the calibration can be overridden by dragging either side of the green range
indicator.
Note: Watch out for pedals with adjustment knobs. For best performance, adjust to allow for the
greatest range of values.
MIDI Expression Manual page 10 / 28
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