Roland AT20s owner manual Glossary, 112

Models: AT20s

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Glossary

Arrangement

This refers to changes that have been made in an original tune, by adding a new accompaniment or by changing the instruments used.

Automatic Accompaniment

Automatic Accompaniment is automatic accompaniment when just a few keys in the lower section of the keyboard are pressed to specify the chord.

Basic Chord

This refers to the most commonly used types of chord, which are generally the following six types: major chords, minor chords, minor seventh chords, minor seventh ( 5) chords, dominant seventh chords, and diminished seventh chords.

Chord

Notes of two or more pitches sounded simultaneously. Chords consisting of three notes are called “triads,” and are the most basic type of chord.

Ending

This is the last part of the accompaniment. When you stop playing the Automatic Accompaniment, the AT-20S plays an Ending appropriate for the Rhythm.

Glide

An effect that temporarily lowers the pitch and then gradually returns it to normal.

Intro

This is the introductory portion of an Automatic Accompa- niment performance. The AT-20S plays an intro ideally suited to each Rhythm when it starts playing the Automatic Accompaniment.

Inversion

When the lowest note of a chord is the root, the chord is said to be in “root position.” In contrast, forms of a chord in which other notes are the lowest pitch are called “inver- sions.”

Mute

To silence a sound. The AT-20S provides a Track Mute function that allows you to turn off the track button indicator of a track on which music data has been recorded, so that the corresponding track will temporarily be silenced.

Panel Settings

Settings such as sound selections, tempo, Rotary fast/slow.

Registration

A unit of data that contains the performance state of the instrument, such as sound selections and panel settings.

Reverb

An effect that simulates the reverberation of a room or concert hall.

Root Note

The root note is the basis of a chord. All chords are built on a root note, which is the part of the chord name given in uppercase letters.

Rotary

An effect which simulates the modulation given to the sound when a rotating speaker is used. The Rotary effect produces two types of modulation: fast or slow.

Sustain

An effect that adds a decay to each note. The AT-20S allows sustain to be applied to the voices of the upper part, lower part, and pedal part.

Voice

The AT-20S is able to produce the sounds of various instru- ments. These sounds are called “Voices.”

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Roland AT20s owner manual Glossary, 112