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Thursday, May 16, 2013Square Waves And DC Content: Deconstructing Complex Waveforms
Charlie Hughes 05/16/13 05:56 PM,I’ve heard it argued by that square waves contain DC. How else could they have the flat top and bottom that make it square? Let’s look at a square wave and see what causes it to have its square shape. A complex waveform can be constructed from, or decomposed into, sine (and cosine) waves of various amplitude and phase relationships. This is the basis of Fourier analysis. A square wave consists of a fundamental sine wave (of the same frequency… View this post
Filed in: AV • Feature • Blog • Study Hall • AV • Measurement • Processor • Signal -
Pro Production: Understanding The Language Of The “Show”
Alan Hamilton 05/16/13 05:44 PM,When first starting out in audio, a newcomer will hear terms that may seem like a whole new language. These terms are very common to hear in arenas, union halls, theatres, and similar venues. While not so common in clubs, even there you can hear some of these terms used by the seasoned veterans of the business. This would be particularly true of clubs that work with regional and national touring acts. You can expect to hear experienced production people… View this post
Filed in: Production • Feature • Blog • Study Hall • Production • Audio • Lighting • Rigging • Staging • Video • Analog • Business • Concert • Education • Interconnect • Loudspeaker • Mixer • Signal • Sound Reinforcement • System -
Can Award-Winning Recordings Be Made In A Home Studio?
Bob Buontempo 05/16/13 04:41 PM,To begin with, there are many things that you cannot do in a home studio. A competent recording of a live band - still the mainstay of the recording industry - is usually impossible in your bedroom. Fitting an orchestra in there is also challenging. And even though the topic of this piece is whether award-winning (i.e., Grammy) music can be conceived, recorded and mastered in a home studio, there’s nothing to indicate that any such recordings actually have been.… View this post
Filed in: Recording • Feature • Blog • Study Hall • Digital • Digital Audio Workstations • Monitoring • Software • Studio • System -
The Single-Mic Technique: An “Old-Fashioned” Approach That’s Surprisingly Effective
Bruce Bartlett 05/16/13 04:08 PM,What goes around comes around. From the 1920s through the 1940s, PA systems for music often used only a single microphone. Band members would gather closely around this mic, balancing their sound by moving toward or away from the mic. Radio broadcasts and recordings often used one mic as well. And over the past several years, this “old-fashioned” technique is making a comeback. Many bluegrass and folk bands use the one-mic method with surprisingly good results, typically using a large… View this post
Filed in: Church Sound • Feature • Blog • Study Hall • Microphone • Mixer • Processor • Sound Reinforcement • Stage -
Tuesday, May 14, 2013The Bigger Picture On The Equalization Of Loudspeakers
Pat Brown 05/14/13 04:06 PM,The procedure often followed for equalizing a loudspeaker is to place the measurement microphone on-axis and adjust for the flattest frequency response. This often involves boosting some filters when the axial response over a range of frequencies is lower than the average. Those that are opposed to the use of boost filters may choose to arrive at the same resultant response by reducing (cutting) parts of the response to the lowest common denominator. This results in the same electrical curve,… View this post
Filed in: AV • Feature • Blog • Study Hall • AV • Loudspeaker • Measurement • Processor • Sound Reinforcement -
Monday, May 13, 2013The Relationship Between Amplifier Damping Factor, Impedance & Cable
Jerrold Stevens 05/13/13 03:21 PM,Ever have one of your friendly amplifier reps walk in your office to present their new mondo-gazillion-watt beast and point out the damping factor spec of greater than a bazillion? Why, gee-whiz! That’s like 10 times more than the other guy! It must be awesome! Right? Well, as we have seen before, it depends on how you are going to use it. Let’s start with defining damping factor and see what it means to us. Amplifier damping factor is defined… View this post
Filed in: AV • Feature • Blog • Study Hall • Amplifier • AV • Interconnect • Loudspeaker • Measurement • Signal • Subwoofer -
Church Sound: Keeping The Workspace Organized Is A Big Key To Success
Gary Zandstra 05/13/13 03:07 PM,Having the luxury of visiting and mixing in many different church sound booths I’ve seen almost everything, from an 8-channel powered mixer sitting (precariously, I might add) on a chair to a fully loaded DiGiCo mixing board/workstation in a 20- by 40-foot decked-out production booth However, the most indelible impression that sticks with me about each and every booth that I have been in is the organization—or the lack thereof. Mama always said. “Cleanliness is next to Godliness.’ I don’t… View this post
Filed in: Church Sound • Feature • Blog • Study Hall • Consoles • Engineer • Installation • Sound Reinforcement • Technician -
In The Studio: Seven Mixing Techniques That Can Really Pay Off… Or Get You In Trouble
Matthew Weiss 05/13/13 02:51 PM,This article is provided by the Pro Audio Files. This article is about some pretty crazy techniques that can really take your sound up a notch or totally screw up your mix! These aren’t techniques I use all the time, but enough to warrant a mention. If you’ve got some experience under your belt, here are a few things you can do when the situation warrants it. 1. Multiple Outputs Tor Group Sends This is useful if you know… View this post
Filed in: Recording • Feature • Blog • Video • Study Hall • Digital Audio Workstations • Engineer • Interconnect • Processor • Software • Studio -
Friday, May 10, 2013Church Sound: How To Get Audio From An iPad
Chris Huff 05/10/13 01:47 PM,This article is provided by Behind The Mixer. iPads are turning up in the audio booth as a sound source. Much like my article on using different types of smartphones as audio sources, iPads are something you need to consider. Let’s look a how to get the audio out. The iPad uses a common 3.5 mm stereo headphone plug, so connecting via the 3.5 mm plug is the easiest route to go. The back of your mixer/console is filled… View this post
Filed in: Church Sound • Feature • Blog • Study Hall • Consoles • Interconnect • Mixer • Signal -
Thursday, May 09, 2013Church Sound: Setting Up The Monitor Mix To Avoid A Sound Check Disaster
Michael Hill 05/09/13 03:19 PM,Provided by Sennheiser. Ever have problems with stage volume that’s just too loud? Combating sound issues from performers who can’t hear themselves play - much less think - can be tough. How many times have you pulled down the master faders to (-) infinity at front of house, and the sound coming off the stage was still so loud you knew you were going to get a visit from the head deacon or usher before the first chorus? Or how… View this post
Filed in: Church Sound • Feature • Blog • Study Hall • Consoles • Engineer • Mixer • Monitoring • Sound Reinforcement • Technician
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