
Thoughts on How Loud
an Acoustic Gig Should Be
Copyright ©1999 Howard Coleman
Why a gig is usually LOUD
(I don't necessarily agree
with these points!)
- Loudness adds excitement. Yeah, let's
recreate the Isle of Wight Festival in this room!
- Everyone else does it. It's trendy.
- So you can feel the bass.
- So they can hear it at the back. If it is a long room you
need it loud for those at the back to hear clearly.
- The audience can move back if they don't like it.
- To impress people with the power of the PA.
- The speakers are designed for it.
- To help balance the volume between the loudest and
quietest instruments.
Points for making it NOT
SO LOUD
- Acoustic instruments sound unnatural at high volume. This
is not a technical point but something that is obvious -
they are not naturally loud instruments.
- Damaging to hearing. We have all heard that sound
engineers tend to make the volume too high because they
have damaged their own hearing and are therefore
incapable of judging the volume for others.
- Going to a concert where the volume is uncomfortably loud
can be unpleasant and disappointing.
- Our ears are not designed for hearing detail among loud
sounds. It is as though we mentally shut off to protect
ourselves. We feel the sound distorting in our ears and
cannot hear the lyrics. (What a waste!)
- Loud music at a gig makes people think it's OK to talk to
each other because their conversation will not disturb
anyone. This problem normally escalates when the music
volume is turned up to compensate.
- Music that is too loud can upset the management and spoil
the chances of a return booking.
Points for making it a bit QUIETER THAN THAT
- It becomes more intimate - as though the performer is
singing or playing just to you.
- To hear more subtlety.
- To remove the threat of feedback which can unnerve and
distract the performers and make the audience
uncomfortable.
- Respect for the audience creates respect for the
performers.
Tips
on getting by WITHOUT
BEING LOUD
- Minimise the background noise. Speak nicely to the bar
staff about it.
- A room that is too acoustically lively (echoes and
reverberation) may need more soft furnishings to damp it
(or you can give up and choose another venue!) The aim
for maximum intelligibility is to get the audience to
hear more of the direct sound from the speakers than the
reflected sound.
- Point the speakers inward to a point about 70% down the
length of the room. This takes advantage of the fact that
the high frequencies tend to beam so can be aimed away
from the side walls. This prevents them from hitting the
back wall and being reflected back to the stage. This
reflection (almost an echo) is very noticable to the
performers and can contribute to feedback problems.
- For long rooms a compromise is needed. The sound needs to
be loud enough for intelligibility at the back but not so
loud that those at the front get blasted.
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Last revised: November 01, 1999.