Noise Generator - Roland Groovebox MC-307 Reference Manual

6. Lo-Fi
(Simulate a "Lo-Fidelity" Sound)
This effect intentionally degrades the audio quality to
simulate a Lo-Fi sound. It is particularly effective on drums.
Available Settings:
- BIT DOWN [CTRL 1]
This setting lowers the audio quality.
Range: 0–7
The audio quality will worsen as this setting is increased.
- SAMPLE RATE DOWN [CTRL 2]
This coarsens the output signal.
Range: 32, 16, 8, 4
The sound will become coarser as this setting is lowered.
- POST GAIN [CTRL 3]
Adjusts the output signal.
Range: 0, +6, +12, +18
- LOW GAIN [CTRL 4]
Adjusts the boost or cut applied to the low frequency
range.
Range: -15– +15
- HIGH GAIN [CTRL 5]
Adjusts the boost or cut applied to the high frequency
range.
Range: -15– +15
- OUTPUT [CTRL 6]
Specifies how the sound will be output.
Range: MONO, STEREO
With a setting of "MONO," the output sound will be
monaural.
- OUTPUT LEVEL [CTRL 7]
Specifies the output volume from the Lo-Fi effect.
Range: 0–127
Chapter 4 Setting Effects

7. Noise Generator

(Add Various Types of Noise)
In addition to a Lo-Fi effect, this effect also generates various
types of noise such as hum, pink noise, and disk noise.
Available Settings:
- NOISE TYPE [CTRL 1]
Determines the type of noise(s) that will be generated.
Range: 1–18
- NOISE LEVEL [CTRL 2]
Specifies the volume of the noise.
Range: 0–127
- NOISE FILTER [CTRL 3]
Adjusts the tone of the noise.
Range: 200–8000 (Hz), BYPASS
If you do not wish to filter the noise, select "BYPASS."
- LO-FI LEVEL [CTRL 4]
Increasing this setting will make the original sound
rougher.
Range: 0–127
- OUTPUT PAN [CTRL 5]
Specifies the stereo location of the sound output from the
Noise Generator.
Range: L64–63R
- OUTPUT LEVEL [CTRL 6]
Specifies the output volume of the Noise Generator
effect.
Range: 0–127
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