Filter: Type/Cutoff/Mode - Yamaha SY55 Product Manual

PEG Velocity Switch
Summary: Determines whether overall envelope
length of the pitch envelope generator for the
selected element will or will not be controlled
by velocity information.
Settings: on, off
Procedure: Use the
select the Velocity. Switch ("Vel.SW") parame-
ter. Use the [DATA ENTRY] control or [+1/YES]
and [-1/NO] keys to turn the velocity switch "on"
or "off."
Type
Summary: Determines the response of the selected
filter.
Settings:
Filter 1 (FL1): THU, LPF, HPF
Filter 2 (FL2): THU, LPF
Procedure: If the Type parameter is not already
selected, use the
select it. Use the [DATA ENTRY] control or [+1/
YES] and [-1/NO] keys to select the desired filter
response.
Filter 1 or Filter 2 can be selected by holding
the [SELECT] key and pressing the numeric [9]
or [6] key, respectively.
Details: The "THU" (THROUGH) setting turns the
filter OFF.
The "LPF" (Low Pass Filter) setting pro-
duces a filter response that allows only frequen-
cies below the cutoff frequency (See "Cutoff"
below) to pass.
and cursor keys to

FILTER: TYPE/CUTOFF/MODE

and cursor keys to
Details: When this parameter is turned "on," higher
velocity values produce a longer pitch envelope
— i.e. the harder a key is played the longer the
pitch variation. When "off" no envelope rate
variation is produced.
Refer to: "PITCH ENVELOPE GENERATOR
(PEG) LEVEL/RATE," page 71.
LPF Filter Response
The "HPF" (High Pass Filter — available
only on filter 1) setting produces a filter re-
sponse that allows only frequencies above the
cutoff frequency (See "Cutoff" below) to pass.
HPF Filter Response
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