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BK-7m_OM.pdf - Roland

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Backing Module <strong>BK</strong>-<strong>7m</strong><br />

MFX types and parameters<br />

r<br />

9. Rotary<br />

This effect simulates the sound of the rotary speakers often<br />

used with the electric organs. Since the movement of the highrange<br />

and low-range rotors can be set independently, the<br />

unique type of modulation characteristic of these speakers can<br />

be simulated quite closely. This effect is most suitable for electric<br />

organ sounds (of the [ORGAN] bank – the Harmonic Bar section<br />

has its own Rotary effect).<br />

● Tweeter Slow Rate (0.05~10.0Hz)<br />

● Woofer Slow Rate (0.05~10.0Hz)—Slow speed (SLOW) of the<br />

high- or low-frequency rotor.<br />

● Tweeter Fast Rate (0.05~10.0Hz)<br />

● Woofer Fast Rate (0.05~10.0Hz)—Fast speed (FAST) of the highor<br />

low-frequency rotor.<br />

● Rotary Speed (Slow, Fast)—Simultaneously switches the rotational<br />

speed of the low-frequency and high-frequency rotors.<br />

SLOW: Slows down the rotation to the “Slow Rate”. FAST:<br />

Speeds up the rotation to the “Fast Rate”.<br />

● Tweeter Acceleration (0~15)<br />

● Woofer Acceleration (0~15)—Adjusts the time it takes the rotor<br />

in question to reach the newly selected speed (“Fast” or<br />

“Slow”). Lower values correspond to slower transitions.<br />

● Tweeter Level (0~127)<br />

● Woofer Level (0~127)—Volume of the rotor in question.<br />

● Separation (0~127)—Spatial dispersion of the sound.<br />

● Level (0~127)—Output level.<br />

10. Compressor<br />

Reduces high levels (peaks) and boosts low levels, smoothing<br />

out fluctuations in volume.<br />

● Compressor Sustain (0~127)—Allows you to specify how<br />

strongly incoming signals should be compressed, which results in<br />

a longer sustain.<br />

● Compressor Attack (0~127)—Sets the speed at which compression<br />

starts.<br />

● Panpot (L64~0~63R)—Stereo location of the output sound. This<br />

is a mono effect that combines incoming signals. You can, however,<br />

place the processed signal anywhere between the left and<br />

right channels.<br />

● Compressor Post Gain (0, +6, +12, +18dB)—Adjusts the output<br />

gain. Use this parameter to make up for a significant volume<br />

loss due to extreme settings.<br />

● EQ Low Gain (–15dB~0~15dB)—Gain of the low range.<br />

● EQ High Gain (–15dB~0~15dB)—Gain of the high range.<br />

● Level (0~127)—Output level.<br />

11. Limiter<br />

Compresses signals that exceed the specified level, preventing<br />

distortion from occurring. Unlike a compressor, it does not<br />

boost the level of weaker signals.<br />

● Limiter Threshold (0~127)—Adjusts the volume at which compression<br />

begins.<br />

● Limiter Release (0~127)—Allows you to specify how long signal<br />

compression should remain in effect after the signal volume<br />

falls below the Threshold value.<br />

● Limiter Ratio (1.5:1, 2:1, 4:1, 100:1)—Allows you to specify how<br />

strongly volume peaks should be compressed. Choose “100:1” if<br />

the Threshold level must never be exceeded (which is a true Limiter<br />

function).<br />

● Panpot (L64~0~63R)—Stereo location of the output sound. This<br />

is a mono effect that combines incoming signals. You can, however,<br />

place the processed signal anywhere between the left and<br />

right channels.<br />

● Limiter Post Gain (0, +6, +12, +18dB)—Adjusts the output gain.<br />

Use this parameter to make up for a significant volume loss due<br />

to extreme settings.<br />

● EQ Low Gain (–15dB~0~15dB)—Gain of the low range.<br />

● EQ High Gain (–15dB~0~15dB)—Gain of the high range.<br />

● Level (0~127)—Output level.<br />

108<br />

12. Hexa-Chorus<br />

Uses a six-phase chorus (six layers of chorused sound) to create<br />

a dense and spatial effect.<br />

● Chorus Pre Delay (0.0~100.0ms)—Adjusts the delay between the<br />

incoming direct signal and the moment when the chorus starts<br />

working.<br />

● Chorus Rate (0.05~10.0Hz)—Frequency, i.e. modulation speed.<br />

● Chorus Depth (0~127)—Modulation intensity.<br />

● Chorus Pre Delay Deviation (0~20)—Adjusts the differences in<br />

Pre Delay between each chorus line (there are six of them).<br />

● Chorus Depth Deviation (-20~0~20)—Adjusts the difference in<br />

modulation depth between each chorus sound.<br />

● Chorus Pan Deviation (0~20)—Adjusts the distribution of the<br />

various chorus lines in the stereo image.<br />

0: All chorus sounds are in the center.<br />

20: Each chorus sound will be spaced at 60 degree intervals relative<br />

to the center.<br />

● Balance (D100:0W, D50:50W, D0:100W)—Volume balance<br />

between the direct (D) and the effect sound (W).<br />

● Level (0~127)—Output level.<br />

13. Trem Chorus<br />

This is a chorus effect with added Tremolo (cyclic modulation<br />

of volume).<br />

● Chorus Pre Delay (0.0~100.0ms)—Adjusts the delay between the<br />

incoming direct signal and the moment when the chorus starts<br />

working.<br />

● Chorus Rate (0.05~10.0Hz)—Frequency, i.e. modulation speed.<br />

● Chorus Depth (0~127)—Modulation intensity.<br />

● Tremolo Rate (0.05~10.0Hz)—Modulation frequency of the<br />

tremolo effect.<br />

● Tremolo Separation (0~127)—Allows you to set the level of the<br />

tremolo effect with respect to the chorus modulation.<br />

● Tremolo Phase (0~180 deg)—Spread of the tremolo effect.<br />

● Balance (D100:0W, D50:50W, D0:100W)—Volume balance<br />

between the direct (D) and the effect sound (W).<br />

● Level (0~127)—Output level.<br />

14. Space-D<br />

This is a multiple chorus that applies two-phase modulation in<br />

stereo. It gives no impression of modulation, but produces a<br />

transparent chorus effect.<br />

● Chorus Pre Delay (0.0~100.0ms)—Adjusts the delay between the<br />

incoming direct signal and the moment when the chorus starts<br />

working.<br />

● Chorus Rate (0.05~10.0Hz)—Frequency, i.e. modulation speed.<br />

● Chorus Depth (0~127)—Modulation intensity.<br />

● Chorus Phase (0~180deg)—Spatial spread of the sound.<br />

● EQ Low Gain (–15dB~0~15dB)—Gain of the low range.<br />

● EQ High Gain (–15dB~0~15dB)—Gain of the high range.<br />

● Balance (D100:0W, D50:50W, D0:100W)—Volume balance<br />

between the direct (D) and the effect sound (W).<br />

● Level (0~127)—Output level.<br />

15. St. Chorus<br />

This is a stereo chorus. A filter is provided so that you can<br />

adjust the timbre of the chorus sound.<br />

● Filter Type (OFF, LPF, HPF)—Type of filter. OFF: no filter is used.<br />

LPF: cuts the frequency range above the Cutoff value. HPF: cuts<br />

the frequency range below the Cutoff value.<br />

● Cutoff Frequency (200~8000Hz)—Basic frequency of the filter.<br />

● Chorus Pre Delay (0.0~100.0ms)—Adjusts the delay between the<br />

incoming direct signal and the moment when the chorus starts<br />

working.<br />

● Chorus Rate (0.05~10.0Hz)—Frequency, i.e. modulation speed.<br />

● Chorus Depth (0~127)—Modulation intensity.<br />

● Chorus Phase (0~180 deg)—Spatial spread of the sound.<br />

● EQ Low Gain (–15dB~0~15dB)—Gain of the low range.<br />

● EQ High Gain (–15dB~0~15dB)—Gain of the high range.<br />

● Balance (D100:0W, D50:50W, D0:100W)—Volume balance<br />

between the direct (D) and the effect sound (W).<br />

● Level (0~127)—Output level.

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