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In-Ear Monitoring-What is it?
How can it help?
by Karl Cartwright
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Bass Player: Can you turn the bass up in the
monitor?
Vocalist: The piano is too loud in the mix.
Congregation Member: Its hard to understand
the words.
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Keyboard Player: The guitar player is always turning
up and then I cant hear myself.
Pastor: Can you try and keep the volume down, some
members of the congregation are complaining.
Some of these comments may strike a little too close to home. However,
as we mix for worship, they are all things that will have to be
dealt with sooner or later. As advances in technology continue,
it is obvious that the worship service is not and should not be
isolated from these improvements.
What is it?
The concept of in-ear monitoring is actually quite simple. Introduce
a high-quality signal to the musicians ear, a signal that
allows the user to clearly hear the mix at any chosen volume. Originally
only used by top touring professionals because of the costs involved,
in-ear monitoring has been around since the mid 1980s.
The benefits to the musician and engineer were immediately apparent;
better sound, improved stereo imaging, less vocal strain, portability,
increased gain before feedback and lowered on-stage volume. Fortunately,
it didnt take long for music equipment manufacturers to see
that this technology opened up a new category of equipment and that
applications for this technology, at every level of performance,
would be beneficial.
Accordingly, many manufacturers have introduced products to meet
the growing demand for this product.
The benefits of in-ear monitoring are twofold. First, the artist
can have any mix he/she desires at any volume. This also gives the
engineer better isolation because loud stage monitors bleed into
adjacent microphones which affects and colors the overall mix.
So whats wrong with wedges?
Theoretically, nothing is wrong with wedges (floor monitors and
hot spots). They work kind of like a front-of-house (FOH) sound
system, just turned around and facing the band.
If the band was just listening and singing along like the congregation,
no problem, but thats not the case. The band has to hear itself
and each person in the band has a slightly different version of
what they would like to hear.
Here are some typical problems. By using wedges youve just
reduced your possible acoustic gain before feedback. Youve
introduced a new sound source on stage, one that has to be louder
than the other amps on stage. Additionally, youve added some
not so good low frequency drivers for those seated in
the first few rows.
So lets fix these problems. Typically, the EQ (equalization) for
the monitor system is used to adjust those frequencies that are
causing feedback in the monitors so that gain can be increased.
However, with every adjustment made to the EQ for feedback control,
the fidelity of the sound the musician hears from the monitor may
be compromised. Also remember that low frequency sound is omni-directional
and even with tight reins on the volume of the monitors, the monitor
speakers are still adding unwanted low frequency information to
the FOH sound.
How can in-ear monitors help?
All the drawbacks associated with traditional monitoring systems
can be addressed by going to ear monitors. In-ear monitors provide
the same level of clarity and volume control that headphones provide.
The potential for feedback between the microphones and the floor
monitors is eliminated.
If all the musicians on stage are using in-ear monitors, the musicians
can hear the monitor signal at any volume they choose without affecting
the person next to them. Even if some musicians still choose to
use floor monitors, those on ears (short for in-ear
monitors) can still run the volume at the level they choose without
affecting their neighbor.
With in-ear monitors, the mix that the musicians are listening to
can be a full, high quality stereo mix (depending on number of mixes
required and available sends) or just those instruments and voices
the musicians onstage need to hear. The ability to be able to monitor
in stereo can be very beneficial.
When running in mono, as you add more instruments it becomes increasingly
more difficult to pick out a specific instrument in the mix, particularly
when the instruments are in the same frequency range (two acoustic
guitars or two voices for example). However, if one is panned slightly
left and the other slightly right the musicians ability to
focus on their own instrument is greatly improved.
If you have the ability to run multiple monitor signals and group
the vocalists, backline instruments and soloists with their own
mixes, the monitor signal for each group of performers can be exactly
what they need. No less important is the elimination of floor monitors
as the first step in a reduction in volume that can be really beneficial
to front of house sound.
The use of in-ear monitors can lead to the remote placement of amplifiers,
the use of amp modelers or plugging directly into the board. A good
band will mix itself. All that is required is for the band members
to be able to hear themselves clearly. Remember, the key word for
the engineer was isolation. Going to in ear monitors
is one of the first steps to give the engineer in a live sound situation
this level of control.
Heres the catch
So this all sounds great, but youre thinking, Ive
never heard of anything that gives you all the benefits that in
ear-monitoring can give you without some kind of a catch.
Some musicians you work with will grab this technology and run with
it, because, quite honestly, in some cases they may have never heard
such an awesome monitor mix. Other musicians may take longer to
adapt because it is a different way to hear the music, their voice,
or instrument. It will take longer and require more work from you
to make these musicians happy with the technology.
How can you help?
Take it slow as you transition to this type of technology. Dont
try to go from one Sunday with floor monitors to the next Sunday
with eight stereo wireless mixes. Start with the drummer; get him
or her a good clear mix. Check out the different types of equipment
that can be used to get the monitor signal to the drummer.
The equipment that is used can be as simple as a headphone distribution
amp (like the ones used in a recording studio) or dedicated wireless
transmitters and receivers. The type of earpiece has to be considered.
No matter how good a given piece of hardware, the sound will only
be as good as the earpiece.
Drummers with acoustic kits will need an earpiece that is occluding
(this means that the earpiece reduces ambient sound) as opposed
to non-occluding (has no or very little hearing protection). This
reduction of ambient sound is very important for two reasons.
First, the earpiece lowers the volume of the drums so the drummer
doesnt have to run the volume of the earpiece at an extremely
high level just to overcome the acoustic kit. And second, the mix
in the earpieces will allow the drummer to hear where the drums
sit in relationship to the other instruments and voices in the mix.
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