Roland VS-1680 User Manual download pdf (Page 110)

This section explains the function of each effect para-

meter included in the algorithm.

EQ (Equalizer)

This is a three-band equalizer with low range (shelv-

ing /peaking type), mid range (peaking type), and

high range (shelving/peaking type) bands.

Sw (Switch)

Turn the equalizer on/off.

Low Gain

Adjust the gain of the low range equalizer.

Low Freq (Low Frequency)

Adjust the frequency of the low range equalizer.

Low Q

Specify the width of the band centered on the low

range equalizer center frequency in which the gain

adjustment will occur. As this setting is raised, the

width of the band affected will become narrower.

Low Type

Select the type of the low range equalizer.

Shlv: Shelving type

Peak: Peaking type

Mid Gain (Middle gain)

Specify the gain (amount of boost/cut) for the mid-

range equalizer.

Mid Freq (Middle frequency)

Specify the center frequency of the mid-range equaliz-

er.

Mid Q (Middle Q)

Specify the width of the band around the center fre-

quency specified for the middle range equalizer in

which the gain adjustment will occur. As this setting is

raised, the width of the band affected will become nar-

rower.

High Gain

Specify the gain (amount of boost/cut) for the high

range equalizer.

High Freq (High frequency)

Specify the center frequency of the high range equaliz-

er.

High Q (High Q)

Specify the width of the band around the center fre-

quency specified for the high range equalizer in which

the gain adjustment will occur. As this setting is

raised, the width of the band affected will become nar-

rower.

High Type

Select the type of high range equalizer.

Shlv: Shelving type

Peak: Peaking type

Level (Output level)

Adjust the volume level after the sound has passed

through the equalizer.

Rev (Reverb)

Reverb refers to the reverberation that consists of

many overlapping reflections. For example, if you clap

your hands in a large room or auditorium, a lingering

sound will follow the handclap itself. This lingering

sound is called reverberation.

Function of Each Effect Parameter

110

Types of reflection

The sound that normally enters our ear can be ana-

lyzed into three types of sound; direct sound, early

reflections, and later reverberation. The direct

sound is what reaches the listener directly from the

sound source. Early reflections are what reach the

listener after reflecting once or a few times off the

walls or ceiling. Later reverberation is the “wash”

of sound that is heard as a result of many reflec-

tions.

fig.ap (efx)-70 (rev.eps)

Sound

source

Listener

Direct sound

Early reflections

Later

reverberation

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 135 136

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Roland VS-1680 User Manual Page 110

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