Portatone Owner's Manual

Editing the voice -SOUND CREATOR-
81
PSR-A1000
SOUND
The explanations here apply to step #3 on page 79.
■ FILTER
FILTER settings determine the overall timbre of the sound by boosting or cutting a
certain frequency range.
■ EG
The EG (Envelope Generator) settings determine how the level of the sound changes in time. This lets you reproduce
many sound characteristics of natural acoustic instruments — such as the quick attack and decay of percussion
sounds, or the long release of a sustained piano tone.
• ATTACK ...... Determines how quickly the sound reaches its maximum
level after the key is played. The higher the value, the
slower the attack.
• DECAY........ Determines how quickly the sound reaches its sustain
level (a slightly lower level than maximum). The higher
the value, the slower the decay.
• RELEASE ..... Determines how quickly the sound decays to silence after
the key is released. The higher the value, the slower the release.
81 2 3 4 5 6 7
Determines the filter, EG, and
vibrato settings (see below).
In addition to making the
sound either brighter or
more mellow, Filter can be
used to produce electronic,
synthesizer-like effects.
Cutoff frequency
Volume
Frequency
(pitch)
Cutoff range
These frequencies are
“passed” by the filter.
• BRIGHTNESS
Determines the cutoff frequency or
effective frequency (resonance) range of
the filter (see diagram). Higher values
result in a brighter sound.
Resonance
• Harmonic Content
Determines the emphasis given to the
cutoff frequency, set in BRIGHTNESS
above (see diagram). Higher values result
in a more pronounced effect.
Resonance
Volume
Frequency
(pitch)
Time
Level
Key on
Key off
ATTACK RELEASE DECAY
If RELEASE is set to a large
value, the sustain becomes
long.