Roland Groovebox MC-307 Reference Manual page 53

9. Phonograph
(Simulates an Old Record)
This effect mutes the tone and adds disc noise to simulate the
sound of music played on an old record player.
Available Settings:
- DISC TYPE [CTRL 1]
Determines the type of disc noise.
Range:
LP: 33 RPM record
EP: 45 RPM record
SP: 78 RPM record
- DISC NOISE LEVEL [CTRL 2]
Specifies the volume of the disc noise.
Range: 0–127
- DEPTH [CTRL 3]
Adjusts the tone.
Range: 0– +20
As this value is increased, the high range and low range
will be cut, and the mid range will be emphasized.
- OUTPUT PAN [CTRL 4]
Specifies the stereo location of the output from the
Phonograph effect.
Range: L64–63R
- OUTPUT LEVEL [CTRL 5]
Specifies the output volume from the Phonograph effect.
Range: 0–127
Chapter 4 Setting Effects
10. Compressor
(Make the Volume Level More
Consistent)
This effect suppresses loud volume levels and boosts soft
volume levels, making the volume more consistent.
Available Settings:
- ATTACK [CTRL 1]
Specifies the duration of the attack when sound is input.
Range: 0–127
- SUSTAIN [CTRL 2]
Specifies the time over which low-level sounds will be
boosted to reach the specified volume.
Range: 0–127
- POST GAIN [CTRL 3]
Adjusts the output signal.
Range: 0, +6, +12, +18
- LOW GAIN [CTRL 4]
Adjusts the boost or cut of the low frequency range.
Range: -15– +15
- HIGH GAIN [CTRL 5]
Adjusts the boost or cut of the high frequency range.
Range: -15– +15
- OUTPUT LEVEL [CTRL 6]
Specifies the output volume from the Compressor effect.
Range: 0–127
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