Roland RS-50 User Manual download pdf (Page 40)

Overview of the RS-50

How the instrument is organized

Basic structure

Broadly speaking, the RS-50 consists of a

keyboard controller

section and a

sound generator

section.

fig.r01-01.e

Keyboard controller section

This section consists of the keyboard, pitch bend/modulation lever,

panel knobs and buttons, and D Beam controller. It also includes any

pedals that may be connected to the rear panel. The performance

information generated when you do things such as press/release a

key, or depress the hold pedal is sent to the sound generator section

and/or an external sound device.

Sound generator section

According to the performance data it receives from the Keyboard

Controller section, this section generates and outputs sounds from

the output jacks and headphone jack. Up to sixteen parts can each

play different sounds (patches), with a simultaneous total of up to 64

notes. This section also includes three effects (reverb, chorus, multi-

effects).

Classification of RS-50 sound

types

When using the RS-50, you will notice that a variety of different

categories come into play when working with sounds. What follows

is a simple explanation of each sound category.

Tones

On the RS-50, the tones are the smallest unit of sound. However, it is

not possible to play a tone by itself. The patch is the unit of sound

that can be played, and the tones are the basic building blocks that

make up the patch.

fig.r01-02.e

Patches

On the RS-50, the sounds you use for normal playing (e.g., from the

keyboard) are called

patches

. A patch is analogous to an instrument

held by a member of an orchestra. Each patch consists of two tones;

upper tone

and

lower tone

. You can assign the two tones to their

own region of the keyboard, or play them together to produce a

richer sound (p. 44). Detailed settings can be made independently for

each of the two tones (p. 46).

Rhythm sets

Rhythm sets are groups consisting of various percussion instrument

sounds. Since percussion instruments generally do not play

melodies, there is no need for a percussion instrument sound to be

able to play a scale on the keyboard. It is, however, more important

that as many percussion instruments as possible be available to you

at the same time. Therefore, each key (note number) of a rhythm set

will produce a different percussion instrument.

fig.r01-04.e

Rhythm sets

Performance

A performance is a set of sounds containing patches for the sixteen

parts used when you use the Rhythm Guide or when using the RS-50

with an external MIDI device.

Part

A part corresponds to a single musician in a band or orchestra. Since

the RS-50 has sixteen parts, you can use sixteen different patches or

rhythm sets to play as many as sixteen performances simultaneously.

Current part

The “current part” is the part that will sound when you play the

keyboard.

The RS-50 has a total of sixteen parts. For details on how to switch

the current part, refer to

“Selecting a part”

(p. 43).

Keyboard Controller Section (controllers

such as keyboard, pitch bend lever, etc.)

Sound

Generator

Section

Play

Patch

Upper Tone Lower Tone

Note Number 98 (D7)

Note Number 97 (C#7)

Note Number 36 (C2)

Note Number 35 (B1)

Rhythm Set

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Roland RS-50 User Manual Page 40

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