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Have
you ever wondered why you get that awful squeal from a microphone?
Why do some sound systems sound great for speech but not for
music? The article links below are wonderful sources for finding
out.
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Tips on Microphones: |
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ABC's
of AKG: Microphone Basics & Fundamentals of Usage |
![ABC's of AKG Microphone Basics [PDF]](images/Buttons/PDF_Tips.gif) |
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This article
presents an overview of the basic technical characteristics of
microphones, including how they work, what their acoustical pickup
patterns are, and what their electrical characteristics are. We then
move on to a discussion of basics of usage, such as how multiple
microphones interact with one another, what their target working
distances are, and how they behave in a variety of operating
environments. Our aim is to keep our coverage as simple and as "user
friendly" as possible. |
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Audio Systems Guide for Houses of Worship |
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 Audio systems for house of worship applications have evolved from simple speech reinforcement to full concert quality multi-media systems. They run the gamut from the most traditional services to the most contemporary services and nearly every combination in between. Recording, broadcast, and video production are additional aspects that must often be integrated with the audio system.
The objective of this guide is to provide the reader with sufficient information to successfully choose and use microphones and related equipment in a variety of typical house of worship applications.
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Audio Systems Guide for Meeting Facilities |
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Audio for meeting facilities is a topic that encompasses a wide range of applications, from a simple public address system in a courtroom to a multi-channel legislative system with recording and broadcast capabilities. Though these systems may vary in size and complexity, they are all governed by the same physical principles and they share certain types of equipment.
The objective is to provide the reader with sufficient information to understand how microphones and mixers are applied to meeting facility sound situations (Boardrooms • Courtrooms • City Council Chambers
• Legislative Chambers). |
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Audio Systems Guide for Music Educators |
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 An often overlooked yet vital part of modern musical performances is the sound reinforcement (PA) system. In a perfect world, a trained professional would always be available to purchase, setup, and operate the school’s sound system. In reality, most educational facilities do not have the available funds for such a luxury. The responsibility then falls to the next most likely person at school to run the sound system, the music director. |
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Audio Systems Guide for Theatre Performances |
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Proper microphone selection and placement in theater applications can dramatically improve and reinforce the impact of the action and emotion on stage. While the physical design of the theater environment and its acoustic qualities must be considered in the design of a sound reinforcement system, the topics focused on in the guide includes microphone selection and placement, and wireless microphone systems. This text will examine how microphones, both wired and wireless, can be used to insure that every word spoken or sung is heard while taking into account some of the complexities of costuming or staging. |
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Audio Systems Guide for Video Production |
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Because the video production field is enjoying such rapid growth, keeping up with its technological advancements is a real challenge. The equipment used in video production is becoming more sophisticated, practical, and accessible every day, and more and more people are getting involved with video projects of all kinds.
This booklet is intended to help anyone involved with video projects improve the audio quality of their productions. It is not intended as a comprehensive study of the subject of audio. Its real goal is to provide helpful tips, practical advice, and a general knowledge of audio tools – all with the express purpose of making video productions as clear, understandable, and impressive as possible. |
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Interpreting
Wireless Mic Specs |
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The “spec game”
is played by every manufacturer. The allowable tolerances are not
strictly controlled and there are few standards, so you generally have
to qualify or translate a particular set of specifications before you
can make valid comparisons. It is difficult enough to decipher and
compare specifications on conventional audio equipment, but it gets to
be very nebulous with wireless microphone systems. |
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Micing the Drum Set |
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In this White
Paper we will discuss micing the drum set largely from the point of view
of AKG’s highly regarded studio mics. We also want to introduce a new
family of low-cost dynamic microphone models that are so good you’d
think they were condensers! These are the models D440, D550 and D660;
along with the D770, D880 and D112, they are ideal for the home studio
and music reinforcement on stage. They all have high overload margins in
the 145 to 150 dB, which is essential in drum micing. |
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Microphone Techniques for Music Sound Reinforcement |
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Microphone
techniques (the selection and placement of microphones) have a major
influence on the audio quality of a sound reinforcement system.
In this guide, Shure application and development engineers suggest a
variety of microphone techniques for musical instruments to achieve good
results. |
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Selection & Operation of Wireless Microphones |
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The purpose of
this guide is to provide reader with adequate information to select
suitable wireless equipment for a given application and to use that
equipment successfully. This guide is presented in two parts: how
wireless microphone systems work and how to make wireless microphone
systems work. The first part should be of interest to those who specify
or integrate professional wireless equipment while the second part
should be of use to anyone who regularly works with wireless microphone
systems. |
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Tips on Cables & Connectors: |
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Choosing the Right Mic Cable |
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In this article,
you will learn about microphone cable construction and selection with
recommended products for various types of use. We will cover:
XLR connectors, balanced and unbalanced connections, Wiring of the
different types of microphones, the right wire for microphone cables,
including shielding, and a short section for vocalists only. |
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Choosing the
Right Speaker Cable |
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Speaker cables
hook audio amplifiers to speaker cabinets. The ideal speaker cable has
zero-length wire, with no resistance, no capacitance, no inductance, and
no change in sound from amplifier to speaker. The ideal speaker
cable does not exist. However, this guide will assist you at
understanding how important cable selection is to an audio system |
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Connector Guide |
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A pictorial of
different connectors used in the audio industry. Each connector is
shown and the appropriate name given. |
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Connector Wiring
Guide |
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This guide shows
proper wiring of audio connectors. |
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What's a Snake? |
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The snake is a
convenient way to get all your audio signals to and from the stage and
mixing console. This simple guide illustrates uses for a snake. |
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Tips on Amplifiers: |
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How Much Amplifier Power do I
need? |
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There is
no exact answer to the question of how much amplifier power you should
use for a particular loudspeaker. Actually, there are three separate and
very distinct issues regarding selecting amplifier power for
loudspeakers. |
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Helpful Hint: |
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Not enough gain before feedback?
Here is what you can do:
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(Listed in order
of importance)
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1. Move
mics closer to sources |
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2. Move
loud-speakers farther from microphones |
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3. Move
loud-speakers closer to listeners |
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4. Reduce the
number of open microphones |
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5. Use
directional microphones and loudspeakers |
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6. Eliminate
acoustic reflections near microphones |
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7. Reduce room
reverberation by acoustic treatment |
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8. Use
equalizers to reduce system gain at feedback frequencies |
There are no
other solutions!
Taken from
the "Shure Guide to Audio Systems for Houses of Worship"
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