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Live Audio: The Art of Mixing a Show

Live Audio: The Art of Mixing a Show

by Dave Swallow

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A live sound engineer's world revolves around the venue. Whether you find yourself working in a cozy club or an expansive concert arena, every location has challenges. It takes more than plugging in a few amplifiers and turning up the volume full blast to get the job done. Experience and ingenuity are needed to ensure that the band's sound is always at its best.


A live sound engineer's world revolves around the venue. Whether you find yourself working in a cozy club or an expansive concert arena, every location has challenges. It takes more than plugging in a few amplifiers and turning up the volume full blast to get the job done. Experience and ingenuity are needed to ensure that the band's sound is always at its best.

Live Audio is a practical, hands-on, 'in the trenches' guide to mixing and live sound from an author with years of professional experience. Combining a lively writing style and real world examples with essential details covering the technical and practical aspects of working a live show, Live Audio gives you a real-world look into working a live venue.

Learn the technical, practical, and political aspects of the job.
*Choosing the right equipment
*Being creative with the tools you are given
*Letting your mixes become more instinctual
*Understand the important elements of live mixing
*Working with the band

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Taylor & Francis
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7.40(w) x 9.20(h) x 0.80(d)

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Live Audio

The Art of Mixing a Show

By Dave Swallow


Copyright © 2011 Dave Swallow
All rights reserved.
ISBN: 978-0-240-81605-0


What is a Live Audio Engineer?

Job description: If you like semi-darkness, long hours of boredom, long hours of work, no social life, no love life, heavy lifting, getting your white gloves dirty, and a good laugh, this is the job for you.

Audio engineers, also known as sound engineers, come in many different types: TV, radio, film, and live and recorded music, just to name a few. Although these jobs are very different, the people who perform them are all considered to be sound engineers. This holds true for other languages as well: The Germans have different words for jobs such as tone master (Tonmeister) and tone technician (Tonetechniker), the tone master being a producer and the tone technician someone who operates the equipment.

This book is specifically about live engineers, whose job it is to look after the sound at all types of live events. This can be a high-pressure job, as you only get one chance to get it right. You need to be on the ball, understand when things go wrong, and know where and how to fix them—quickly. In order to help you do this job the best way it can be done, you must have general knowledge of all different aspects of the job.

In a live environment, there are three main types of audio engineers: front of house, monitor, and system technician. In the following sections, we discuss all of these types in more detail.


The front of house (FOH) is where the audience is, and an FOH engineer mixes the audio for that audience. If all goes well, the FOH engineer is the person standing in the middle of the audience next to the lighting guy and surrounded by a barrier and different-colored lights. (The FOH engineer is often mistaken for the DJ, but don't even think about putting a request in.)

FOH engineers work hand in hand with monitor engineers and must have good communication with them. Together, you must follow the band's specifications (see Chapter 5 on Advancing the Show). The FOH engineer also puts the channel list together, thus ensuring that you have all the channels you need to mix the show to your liking. (Remember, though, that there might be some channels that don't need to be heard through the house speakers, such as click channels and ambient mics for in ear monitors (IEMS).) Finally, the FOH engineer also runs soundchecks.

Speaking from personal experience, I have spent some time doing this job, and I always love it; being an FOH engineer gives me the ability to be creative and loud at the same time. However, the mixing can be a challenge. It isn't just a case of pushing up your faders and making sound happen—it's about blending sounds into one another so that you hear a full mix with nothing obscured. This is an enormous responsibility because you essentially have control of another artist's music. Some artists really want to be involved with the mix, while others might just let you get on with what you are doing. Either way the ability to understand what the artist, management, or producer wants, and then the ability to translate that into audio, is important. For example, if someone says "I want it to sound more raw," or "More reverb!" you have to understand what this means and how to do it. We'll get into more detail about this kind of thing in later sections.


The job of a monitor engineer is probably the most fundamental of all the live engineering jobs. Monitor engineers are responsible for controlling all the sound on stage. Monitors are the speakers positioned on stage that allow performers to be able to hear what's going on. They are also referred to as wedges, which is the term that most professionals use, or foldback, which is more of an older term that isn't particularly used from day to day. The majority of the work for a monitor engineer is done during soundcheck, making sure that everyone has what he or she needs to hear, and thus perform, well.

You will find the monitor engineer located just off to the side of the stage, preferably on stage left (if room allows it). He or she controls the individual monitor mixes for each of the performers on stage. As a result, it's a good idea for the monitor engineer to put the stage plan together, so that he knows where all his monitors should be and what order the sends for the monitor console need to be on. (We discuss stage plans in more detail in the Stage Plan section in Chapter 5, where we go into more detail about why it's a good idea for the monitor engineer to do it. If there isn't a monitor engineer, this responsibility falls to the FOH engineer.) A monitor engineer might also be in charge of IEMs, or in ear monitors. These are similar to headphone buds that can be molded into shape. IEMs can also be generics, which are similar to foam earplugs with a headphone attached to one side. There is a real art to mixing IEMs.

In order to be a monitor engineer, the performers must trust your work. This can be a challenge, especially because you may be dealing with big egos. As such, good communication skills are essential for doing a good job. Part of this communication is understanding seemingly random hand signals and gestures.

There is nothing quite like watching an artist wave his arms in the air, point at objects, and nod his head as if some kind of epileptic fit has ensued—all in an attempt to tell you that he requires a little more acoustic guitar in his wedge. One of the basic rules of being a monitor engineer is to pay attention to the performers at all times, looking at them even when they aren't looking at you, and constantly monitoring their individual mixes. Meanwhile, they'll be able to monitor each individual mix with their own wedge—called a listening wedge—and their own set of IEMs. Make sure that the listening wedge is exactly the same as the other wedges on stage, with the same amp and the same graphic equalizers. Getting this part of the sound right is essential because performers rely on you to get the best out of what they are doing.

The job of a monitor engineer is probably one of the hardest, but also one of the most rewarding. There isn't much room for creativity, but there is an art form about getting monitor mixes right. When the performers have a great show, the monitor engineer will have a great show.


System technicians, also known as system techs, look after the whole PA system. There are normally at least two system techs per PA system—one who looks after the FOH and one who looks after monitors. These engineers are wholly responsible for the entire PA system and usually have a vast knowledge of the equipment they monitor; however, unlike FOH and monitor engineers, they usually do not operate the equipment (unless asked to, or there isn't anyone else to do the job). Although most system techs will be able to mix, their main responsibility is to make sure that all the equipment is working correctly and is properly maintained. The biggest part of this job is to work with the artists' FOH or monitor engineers to get exactly what they need out of the system and equipment.

One type of system technician is also known as an in-house engineer. In-house engineers have all the same knowledge as system technicians; the only difference is that they generally work for the venue, whereas system techs generally work for PA companies.


One of the important things for a sound engineer to realize is that it can be quite a social job. You have to learn how to balance this out and realize that you can't simply leave your position to go enjoy the show or visit with friends who are attending. Engineers are not part of the band, even though they may spend a lot of time with them. You must remember that you are the one who has to be in the venue before the band members, get things set up before them, and stay behind after they have gone. Just remember: You are there for a reason, and that reason is to mix. You are being paid to do that and nothing else.

Some engineers I know have next to no negotiation skills; their attitude is "It's either my way or the highway." Try not to adopt this attitude when working—it's very important to be able to adapt to your surroundings. You are part of a team that makes everything work, and it's everyone's job to make sure the show happens and that the audience has a great time.

This industry is still very young and, as such, is constantly changing. Just remember that if you want to make a career out of it, you must be professional, responsible, and courteous at all times. In addition, here's a little tip for when you're on the road: You never know how someone else is dealing with being away from loved ones, so you should always give people the benefit of the doubt.

Above all, remember this: You are only as good as your last gig.


Your home life is one of the hardest aspects to navigate in this type of career. Some people are built for travel, whereas others are made to stay in one place. Some engineers get into this job because they are very attracted to the idea of being able to see the world, even if only from the back seat of a taxi, or looking out at a cityscape through a window in a departure lounge. However, having a stable life at home is key not only to your own sanity, but also to the sanity of the people around you. Being away from home can put a strain on even the most solid of relationships, but the key ingredient for any type of relationship is communication. With this type of job, having a family that understands who you are, what you do, and why you do it is extremely important.

One of the difficulties of being a live engineer is getting outsiders to understand what the job is like. Many people have incorrect preconceptions, especially due to the kinds of stories you hear about the early days of rock and roll. These days, though, things are very different; usually you get straight on the bus after a gig and head straight out of town. Going on tour is about making money, which means you are always on the move.

Having troubles at home while you are away can lead to all sorts of problems. It nearly always affects your work because your mind is constantly taken away from the job at hand. As such, it can also affect the people you are working with. Chemistry is crucial on the road, and a breakdown in trust and communication can be disastrous for the whole operation. Just remember, it is one thing to talk about troubles, and another to take your troubles out on other people. Take time for yourself. Everyone is in the same boat and will understand if you don't want to be part of group activities outside work time.


Audio Engineering Basics

If you want to be a sound engineer, you must have a good understanding of all the elements that affect the job. This section explains these elements.


Your ears are one of the only senses that aren't ever turned off. You can close your eyes and stop touching things, but your brain is always processing audio. According to certain studies, audio frequencies affect brainwaves; for example, the complex patterns of Beethoven's music stimulate the brain and thus improve thought processes, helping you to retain more information. Although it's hard to vouch for this personally, many people will tell you that they have strong reactions to music they hear—perhaps even a built-in passion. What is clear is that music does affect the way we think. For example, in my personal experience, the simpler the music being listened to, the easier it is to relax, whereas the more intricate the music is, the more stimulated I feel.

Sound can be an incredibly powerful sense, and not only for animals who "see" using sonar, such as dolphins and bats. In Dorset, United Kingdom, there is a 7-year-old blind boy who navigates using a series of clicks. The technique is called echolocation and was developed in California; it is based on the Doppler effect, which is the principle stating that when an object is moving away from you, it creates a lower pitch, and when it is moving closer to you, it creates a higher pitch. For example, when a police car goes speeding past, you'll hear the frequency of the siren change. Using this knowledge, and with much practice, practitioners of echolocation can determine the height, width, and location of specific objects; in some cases, they can even guess their density. Objects that are closer, larger, and simpler are easier to perceive. A technique like this shows us how we can use and harness the power of frequencies, and how important it is to look after our hearing. It also says a lot about what can be achieved using audio and how important it is for everything we do.

Excerpted from Live Audio by Dave Swallow. Copyright © 2011 Dave Swallow. Excerpted by permission of Elsevier.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
Excerpts are provided by Dial-A-Book Inc. solely for the personal use of visitors to this web site.

Meet the Author

Mixing Engineer, Live and Studio
Audio Engineer, Tour Manager, Tour Consultant
Toured Extensively in Europe, North America, South America, Japan

Mixed & Supervised countless sessions including:
Itunes, Aol, Yahoo, BBC, B-side cuts...

Live TV appearances include:
Jay Leno, Saturday Night Live, Dave Letterman, Austin City Limits, Conan O'Brien, Regis & Kelly, VH1, Later with Jools Holland, Brit Awards, Live at Abbey Road, BBC One Sessions, Parkinson, Friday Night Project, Album Chart Show, E4, Taratata, New Pop, Jonathan Ross, Alan Carr, Top of The Pops, CD:UK, T4, Davina, Mobo Awards

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