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Algorithms and Parameters
PCM 81
The Chamber reverb produces an even, relatively
dimensionless reverberation, with little change in color as the
sound decays. The initial diffusion is similar to the Concert Hall
algorithm, but the sense of space and size is much less
obvious. This characteristic, along with the low color in the
decay tail, makes Chamber useful on a wide range of material.
It is especially useful on spoken voice, giving a noticeable
increase in loudness with very low coloration.
THE PITCH CORRECT PARAMETERS
Controls Row
FX HiCut, FX LoCut
These parameters control stereo high cut and low cut filters on the
algorithm outputs. Each has a range of 20Hz- 20kHz.
Pitch Row
Detect
This parameter displays the source used for pitch detection: Input,
Fixed or MIDI.
• Input Pitch is detected from the sum of the left and
right input signals. The detected pitch and the
number of cents sharp or flat is displayed and
updated in real time.
Chamber
• Fixed ADJUST scrolls through the range of available
pitches. The number of cents sharp or flat
from the selected fixed pitch is displayed and
updated in real time.
• MIDI This setting is displayed when you use a MIDI
keyboard as the note detect source. Connect a
MIDI keyboard to PCM 81 rear panel MIDI IN
jack and set both to the same MIDI channel.
Whenever a preset that uses the PitchCorrect
algorithm is running, the shifter will detect the
pitch of any MIDI key you press. The display
will show the MIDI pitch and the number of
cents sharp or flat in real time as the pitch of
the input signal varies. Correct the pitch of any
melody by simply playing the appropriate
MIDI key when ever the melody pitch drifts
from the desired note.
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