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The back of the 12 Step has several connectors: a 1/8" expression pedal input, a USB port for connecting to the optional MIDI expander unit, and a USB port for connecting to a computer or hardware electronic device (synth module, sequencer, etc.). Each key has a little red LED light that illuminates when the key is pressed, which helps the ...
The Roland Sound Canvas (Japanese: ローランド・サウンド・キャンバス, Hepburn: Rōrando Saundo Kyanbasu) lineup is a series of General MIDI (GM) based pulse-code modulation (PCM) sound modules and sound cards, primarily intended for computer music usage, created by Japanese manufacturer Roland Corporation.
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 MT-32 Multi-Timbre Sound Module is a MIDI synthesizer module first released in 1987 by Roland Corporation. It was originally marketed to amateur musicians as a budget external synthesizer with an original list price of $695. However, it became more famous along with its compatible modules as an early de facto standard in computer music.
A MIDI instrument can also be a stand-alone module (without a piano-style keyboard) consisting of a General MIDI soundboard (GM, GS and XG), onboard editing, including transposing, MIDI instrument selection and adjusting volume, pan, reverb levels and other MIDI controllers.
Roland GS, or just GS, sometimes expanded as General Standard [1] [2] or General Sound, [1] is a MIDI specification. It requires that all GS-compatible equipment must meet a certain set of features and it documents interpretations of some MIDI commands and bytes sequences, thus defining instrument tones, controllers for sound effects, etc.
General MIDI Level 2 or GM2 is a specification for synthesizers which defines several requirements beyond the more abstract MIDI standard and is based on General MIDI, GS extensions, and XG extensions.
If a MIDI file is programmed to the General MIDI protocol, then the results are predictable, but timbre and sound fidelity may vary depending on the quality of the GM synthesizer. The General MIDI standard includes 47 percussive sounds, using note numbers 35-81 (of the possible 128 numbers from 0–127), as follows: [ 3 ]