Boss BR-1180 User Manual page 20

What is Reverb?
Natural reverberation occurs as sound bounces off of the surfaces of a room and
gradually decays as it repeats. As there can be many surfaces in a room there are many
of these reflections happening at the same time. The size of the room as well as the
number and type of surfaces determine how a room sounds. A reverb effect essentially
simulates the sound of a room. On the BR-1180 you can select the type of room (ROOM
or HALL) and you can select the simulated distance of the source and the surfaces
(REVERB TIME). The larger the number, the longer and denser the reflections become.
EFFECT LEVEL controls the return or over all output of the effects processor.
Applying reverb to a track can add ambience or a sense of space to a track. Reverb is
very common recording tool.
The difference between reverb and an echo or delay is that an echo or delay simply
repeats the initial sound.
Why shouldn't reverb be applied as an insert effect?
Remember that when you are using a send and return or loop effect you are hearing a
combination of the wet and dry signal. Therefore you are hearing the original sound and
then the reflections. If a reverb or delay were to be inserted you would only hear the
reflections and your music would most likely sound out of time.
What is Doubling?
A doubling effect is just that. It simulates doubling of a track by summing the original
single with a very short delayed signal. It can be accessed and applied by pressing the
CHORUS/DELAY button two times and turning the TIME/VALUE wheel clockwise to
select DOUBL'N.
Chorus.
Chorus is another commonly used effect. A very subtle pitch shifting is created by
slowing and continuously changing a delay rate. That detuned signal is then combined
with the original signal to create the chorus effect. This effect is often used to "fatten" a
sound such as a guitar or bass. You almost never hear a fender Rhodes sound that is not
being chorused.
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