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About Sennheiser
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Miking Techniques
Upright Piano
Piano can be a tough instrument to mike, with all of the
key noise, and the noise of the hammers inside the piano.
As expected, there can be a large difference in sound quality
between two different brands and models. The first thing
is to start with an in tune piano. If you have a recording
session that you are going to want to keep, you may want
to have the piano tuned at least in the same week. An out
of tune recording can make it difficult to add other instrument
tracks later. There are a couple of ways to try miking an
upright, but different methods may be used for different
pianos. If possible, you want to remove the front face or
the rear of the piano in order to reduce unwanted reflections.
usually the annoying nasal high-mid frequency range gets
boosted in a closed box piano. Also, move the piano away
from the wall as much as possible, to avoid wave interference
from the wall. A good place to start is to mike over the
top of the piano, with one mic over the bass strings, and
one mic over the treble strings. This may not sound natural
enough for you, and you may get too much key noise, especially
on an older piano. To reduce the hammer noise, you can mic
the back of the piano soundboard, with two mics about 8
inches away over the bass and treble side. You definately
need to move the piano away from the wall with this technique
and if possible, point the piano away from the wall towards
the center of the room. For the most natural sound, you
can remove the kick board at the base of the front of the
piano. Place one mic over each side about 8 inches away
from the strings, at the level of the kickboard. This miking
technique may pick up too much foot or foot pedal noise,
especially with an animated player. This may actually be
a desired sound for an old blues or ragtime song.
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