A MIDI controller is any hardware or software that generates and transmits Musical Instrument Digital Interface (MIDI) data to MIDI-enabled devices, typically to trigger sounds and control parameters of an electronic music performance. They most often use a musical keyboard to send data about the pitch of notes to play, although a MIDI controller may trigger lighting and other effects. A wind controller has a sensor that converts breath pressure to volume information and lip pressure to control pitch. Controllers for percussion and stringed instruments exist, as well as specialized and experimental devices. Some MIDI controllers are used in association with specific digital audio workstation software. The original MIDI specification has been extended to include a greater range of control features.
A Roland keytar, keyboard MIDI controller designed to be worn with a shoulder strap during performance. The keytar does not produce any musical sounds by itself. As a MIDI controller, it only sends data about which keys or buttons are pressed to a MIDI-compatible sound module or synthesizer, which then produces the sounds.
The Roland Octapad percussion/drum controller
Two-octave MIDI controllers are popular for use with laptop computers, due to their portability. This unit provides a variety of real-time controllers, which can manipulate various sound design parameters of computer-based or standalone hardware instruments, effects, mixers and recording devices.
MIDI wind controllers can produce expressive, natural-sounding performances in a way that is difficult to achieve with keyboard controllers.
Digital audio workstation
A digital audio workstation is an electronic device or application software used for recording, editing and producing audio files. DAWs come in a wide variety of configurations from a single software program on a laptop, to an integrated stand-alone unit, all the way to a highly complex configuration of numerous components controlled by a central computer. Regardless of configuration, modern DAWs have a central interface that allows the user to alter and mix multiple recordings and tracks into a final produced piece.
Music production using a digital audio workstation (DAW) with multi-monitor set-up
An integrated DAW consisted of: a control screen, 48-track digital mixer integrated on hard disk recorder including data storage and audio interface. (TASCAM X-48)