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Page Revision: 2012/10/07 16:51

The element is capable of reading the input of various MIDI devices connected to a PC. MIDI is a commonly-accepted protocol for communication with digital musical instruments, like a MIDI piano keyboard. The MIDI Input element can record a instrumental music played in real-time as a sequence of notes.

Table of Contents [Hide/Show] Description Snapshots Practical Use     Technique 1     Technique 2 Element actions aligned with different epochs of the parent event Notes Properties     Generic Properties

Description ¶

On onset of the parent event the MIDI input element starts to reads real-time input of a MIDI Device and record all received notes. The each note recorded information includes the MIDI channel number, note name, playback start time, duration, octave number, note's sound frequency and button press velocity (or volume). The element can also detect presses of the control buttons, e.g. program change. The recorded notes and events can be easily accessed in code and logged. The element is designed for experiments, where participants' input is produced by playing a music with MIDI compatible instruments.

Snapshots ¶

Note names and sound frequencies

Practical Use ¶

Technique 1 ¶

1. Add new MIDI input element into the event where you plan to record a melody played by a participant
2. Step 2
   

Technique 2 ¶

1. Step 1
2. Step 2
   

 // Check the trial outcome. Result and RT just other user variables
// insert code snippet here..

Element actions aligned with different epochs of the parent event ¶

Epoche	Actions
Initialized
Rendered
Activating
Activated
Running
Deactivated
Deinitialized

Notes ¶

Insert Notes here..

Properties ¶

Generic Properties ¶

Name	Description	Attributes	Value Type	Proxy Reflex
Category Name
MIDI Device	Fill it	Design Time..	System.Int32
Buffer Size	Fill it	Design Time.. t	System.Int32
Buffer Size	Fill it	Design Time.. t	System.Int32

+=== Properties inherited from clElement === Inherited properties of clElement

Name	Description	Constraints	Value Type	Upon Change
Control
Is Enabled	If set to false the element is completely omitted when the experiment is run.	Design Time..	Boolean
Title	Title of the element.	Design Time..	String