92
Editing rhythm sounds (Rhythm Edit)
A Rhythm Set is a collection of 16 rhythm tones. An instrument
consists of the following four elements.
fig.2-05.e
WG (Wave Generator)
This specifies the PCM waveform (or “wave”) that forms the basis of
the Rhythm Tone, and determines how the pitch of the Rhythm Tone
will change. The MC-808 has 622 different waveforms, and four
waveforms can be assigned to each Rhythm Tone.
Refer to
“Waveform list”
(p. 2) in
“Sound & Parameter List.”
TVF (Time Variant Filter)
This sets how the frequency characteristics of the Rhythm Tone will
change.
TVA (Time Variant Amplifier)
This sets how the Rhythm Tone’s volume and stereo positioning will
change.
Envelope
An envelope applies changes to the Rhythm Tone over time. There
are separate envelopes for pitch, TVF (filter) and TVA (volume). For
example, you would use the TVA Envelope to modify the way in
which the Rhythm Tone attacks and decays.
1.
In Pattern mode, select a pattern.
2.
Select the part that uses the rhythm set you want to edit.
The currently selected rhythm set (
the current rhythm set
) is
shown.
fig.04-011.e
3.
Press [PATCH/SAMPLE] to enter Patch/Sample mode.
The currently selected rhythm set (
the current rhythm set
) is
shown.
fig.04-012.j
* Make sure that the patch type is “RHYTHM.”
If it’s “PATCH,” place the cursor on “PATCH” and use the VALUE
dial or press [DEC] to make it read “RHYTHM.”
4.
Turn the VALUE dial or use [INC] [DEC] to select the patch
group, bank, and number.
USER:
Usr (User) A–B
CARD:
Crd (Card) A–B
* You can also use the GROUP [USER]/[CARD] buttons to make your
selection.
The current/next displays will indicate the following.
Example: For USER A 001
fig.04-014
5.
Turn the VALUE dial or use [INC] [DEC] to select a rhythm
set.
How percussion instruments
are organized
Note Number 74 (D5)
Note Number 73 (C#5)
Note Number 60 (C4)
Note Number 59 (B3)
Rhythm Tone (Percussion instrument sound)
Rhythm Set
WG
Pitch
Envelope
TVF
TVF
Envelope
TVA
Envelope
TVA
Rhythm editing procedure
Selecting a rhythm set
Rhythm set name
Part number
Name of the pattern
Patch type
Patch group/
bank/number
Rhythm set name
(Rhythm sets don´t have categories.)
Patch category
Patch number
MC-808_r_e.book 92 ページ ２００７年７月１７日 火曜日 午後５時１分
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