In the field of electroacoustics and sound radiation, there are two fundamental types of sound sources that each provide specific radiation patterns and sound characteristics, both of which may be desirable depending on the application. These are the point source and the line source (or column source). This article will review the basic acoustical principles … Lire la suite
Which is Best and Why? Ok, hopefully that question got your attention. However, when deciding between a lavalier (lav) (lapel) or headset (headworn) microphone the better question to ask is, “Which mic is best for the application?” If you were to ask me or most pro audio sales engineers on whether to choose a lavalier … Lire la suite
In this pandemic-induced era, numerous venues and churches have been compelled to embrace the realm of livestreaming. Whether you’re a newcomer to the world of livestreaming or seeking ways to enhance the audio quality of your broadcasts, this article will prove invaluable. The main production goal of a streaming broadcast mix is to recreate the … Lire la suite
Every genre of music is associated with a certain dynamic range, meaning the difference between the loudest and softest passages. The word “dynamic” is defined as “a force that stimulates change or progress within a system of process”. It defines how versatile a piece of music or a piece of gear behaves (musical instrument, amplifier, … Lire la suite
When line-array loudspeaker systems are deployed in large venues, one issue that is most often debated is how to install subwoofers to adequately cover the entire audience. Should you keep the energy on the floor and deliver that tactile sense of bass to the crowd with a ground-stacked solution? Should you aim for more volume … Lire la suite
When mixing live audio, one of the biggest mistakes a sound operator can make is aimlessly applying EQ without intentionality due to of lack of understanding. In this article, I will walk you through a process to follow when using your EQ to manipulate these frequencies, so that you can create a musical, well-defined, clear … Lire la suite
What is the difference between a mix that sounds muddy and undefined and another that sounds crystal clear with definition and intelligibility? The difference is in the EQ. While often misunderstood, equalizers are the bread and butter of good sound reinforcement. Knowing the basics of EQing is one of the most critical aspects of running … Lire la suite
You may remember from your science classes in school that the speed of sound is a constant, but this statement is entirely dependent on the material through which sound is propagating. Different medium transmit sound at very different speeds. So, let’s look at some typical materials that most people would encounter in indoor live sound … Lire la suite
Subwoofers are great solutions to extend the low frequency performance of your PA system, and there are three aspects to consider carefully when setting up a subwoofer. In the following order. Subwoofer Placement If subwoofers are used in many portable and installed PA applications to enhance the overall listening and performance experience, their placement in … Lire la suite
If you are familiar attending any type of live show, concert or performance using PA loudspeakers, you will most likely also agree that loudspeakers’ humming, hissing or buzzing noise can quickly ruin a performance. This article reviews each of the common causes of audible (and irritating) loudspeakers’ hum and hiss, and discusses effective strategies to … Lire la suite