Acoustic Measurement-
Thursday, February 02, 2012Church Sound Files: The Reason For “Bad Sound” May Not Be The Sound System
Pat Brown 02/02/12 04:27 PM,Many things around us are getting better. Computers are faster, televisions have more resolution, and dishwashers are quieter and more powerful than ever. But with all of our digital wiz-bang processors, technology has been unable to eradicate “bad sound.” Why… View this post
Filed in: Church Sound • Feature • Poll • Study Hall • Analog • Audio • Consoles • Digital • Engineer • Mixer • Sound Reinforcement • System • Technician -
Friday, January 13, 2012Properly Cleaning Your Microphones
PSW Staff 01/13/12 11:43 AM,You’ve finally invested in a high-quality vocal microphone and your voice has never sounded better. Unfortunately, the keyboard player in your band decides he wants to use your mic during his featured rap. You cringe as he practically eats the… View this post
Filed in: Live Sound • Recording • Feature • Poll • Study Hall • Analog • Audio • Education • Engineer • Microphone • Sound Reinforcement • Studio • System • Technician -
Tuesday, January 10, 2012Bringing Clarity To Loudspeaker Power Ratings & Their Relationship To Performance
Pat Brown 01/10/12 03:20 PM,One of the most confusing subjects in audio? Loudspeaker power ratings. It’s generally accepted that a large loudspeaker power rating is a sign of quality and something to be desired. And it’s the performance metric that probably has the greatest… View this post
Filed in: AV • Feature • Poll • Study Hall • Amplifier • AV • Audio • Loudspeaker • Power • Sound Reinforcement -
Wednesday, December 07, 2011Live Sessions: Multitrack Recording Made Easy
Bobby Owsinski 12/07/11 07:31 PM,These days it seems that almost everyone has a digital audio workstation (DAW) and a common 8-channel interface from Avid, MOTU, Edirol or some other manufacturer. Believe it or not, these small, inexpensive rigs pack more power than The Beatles… View this post
Filed in: Church Sound • Feature • Poll • Study Hall • Audio • Digital • Microphone • Mixer • Signal • Sound Reinforcement • System -
Tuesday, November 29, 2011What Makes A Quality Loudspeaker?
Pat Brown 11/29/11 03:04 PM,The device commonly referred to as a “speaker” is more correctly referred to as a loudspeaker system. It is comprised of some transducers, a crossover network, an enclosure, and a few additional parts. Loudspeaker system designers must be familiar with… View this post
Filed in: Church Sound • Feature • Poll • Product • Study Hall • Installation • Line Array • Loudspeaker • Sound Reinforcement • Subwoofer -
Tuesday, November 22, 2011What’s The “Right” Wattage For Loudspeakers?
Chuck McGregor 11/22/11 01:26 PM,“So how many watts can this loudspeaker take?” The technical answer is that it depends on the thermal and mechanical limits of the drivers and crossover components. The practical answer is that it depends on the program material played: its… View this post
Filed in: AV • Feature • Poll • Study Hall • Amplifier • AV • Education • Loudspeaker • Power • Sound Reinforcement -
In The Studio: Stereo Microphone Techniques
PSW Staff 11/22/11 09:29 AM,One of the most popular specialized microphone techniques is stereo mic’ing. This use of two or more microphones to create a stereo image will often give depth and spatial placement to an instrument or overall recording. There are a number… View this post
Filed in: Recording • Feature • Poll • Study Hall • Audio • Microphone -
Monday, November 21, 2011Church Sound: Musical Instrument Characteristics As They Relate To Mic Placement
Tim Vear 11/21/11 11:55 AM,Instruments and other sound sources are characterized by their frequency output, by their directional output, and by their dynamic range. Frequency Output Frequency output is the span of fundamental and harmonic frequencies produced by an instrument, and the balance or… View this post
Filed in: Church Sound • Feature • Poll • Study Hall • Microphone • Sound Reinforcement -
Friday, November 18, 2011Knowing Cone Drivers: How They Work, Understanding Key Data & Specs
PSW Staff 11/18/11 10:43 AM,(Editor’s Note: Eminence Speaker LLC contributed to this report.) Cone drivers (also referred to as woofers and transducers in this article) are not overly complex. When an electrical current passes through a wire coil (the voice coil) in a magnetic… View this post
Filed in: AV • Feature • Poll • Slideshow • Study Hall • Amplifier • AV • Audio • Loudspeaker • Manufacturer • Measurement • Power • Signal • Sound Reinforcement • Subwoofer -
Thursday, November 10, 2011On Three, You Lift: Methods Behind The “Check One, Two” Madness
Paul LaPlaca 11/10/11 09:22 AM,“Check one, two… one, two…” As a soundperson, I’ve had to repeat this phrase ad nauseam - at times I even hear it in my dreams. Everyone wants to know: “Why can’t you count to three?” To which the punch… View this post
Filed in: Live Sound • Feature • Poll • Study Hall • Audio • Consoles • Measurement • Microphone • Processor • Sound Reinforcement • Stage • System -
Stamping Out The Slippery Language When Taking About Decibels
Bob Katz 11/10/11 08:55 AM, 2 CommentsThis article is the first part in a series on decibels, excerpted from Bob Katz’s book Mastering Audio: The Art and The Science. So many of us take our meters for granted—after all, recording is simple: all you do is… View this post
Filed in: Recording • Feature • Study Hall • Audio • Digital • Measurement • Monitoring • Studio -
Monday, October 10, 2011Meeting Myriad Challenges: A Host Of Installed Microphone Solutions
Bruce Bartlett 10/10/11 09:12 AM,Many challenges in professional audio can be addressed with more than one solution. A good example is microphones – there are so many options and so many ways to deploy them. Let’s take a look at a variety of mic… View this post
5 Comments
Filed in: AV • Feature • Poll • Study Hall • AV • Installation • Microphone -
Tuesday, October 04, 2011Understanding Unity Gain & Impedance Matching
Dennis A. Bohn 10/04/11 06:44 PM,Introduction This paper discusses the pitfalls (often subtle) of our industry’s failure to define and standardize what “unity gain” means, and the conditions necessary to measure it. It further discusses how people improperly use one piece of misinformation (impedance matching)… View this post
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Interconnect • Signal -
Monday, September 26, 2011Handling Common Audio/Video Miking Situations
Christopher Lyons 09/26/11 08:27 PM, 1 CommentIn the world of audio, one tends to wear many different hats from day to day. While you may be a Front of House guy, it’s not out of the realm of possibilities to be assisting with audio/video sound either… View this post
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Digital • Education • Engineer • Microphone • Sound Reinforcement • Studio • Technician -
Thursday, September 08, 2011Expanding To Provide A/V Installation Services? Important Factors To Keep In Mind
Bruce Main 09/08/11 08:48 AM, 0 CommentsFor many sound hire companies, things will be slowing down soon after a busy summer season. Yes, these are the days that turn sound company owner and manager thoughts to Alternative Revenue Sources (ARS). The contracting/install market is generally one… View this post
Filed in: AV • Feature • Poll • Study Hall • AV • Business • Engineer • Installation • Technician -
Tuesday, September 06, 2011More Than One Way: Alternatives To High-Voltage Audio Power Distribution
Pat Brown 09/06/11 04:09 PM, 0 CommentsIn audio terms, high voltage means that the output power of the amplifier is converted to a high-voltage/low-current signal for transmission over long distances and/or small wire gauges. The advantages of the method include low cost and rather “bulletproof” systems,… View this post
Filed in: AV • Feature • Poll • Study Hall • Amplifier • AV • Interconnect • Power • Signal -
Thursday, September 01, 2011Stagecraft: Wiring A Stage Efficiently, Neatly & Safely
Alex Fernie 09/01/11 05:41 PM, 0 CommentsAmong many of the recent entrants into the sound profession, I’ve noticed a lack of knowledge when it comes to wiring a stage. Perhaps it due to a lot of sound engineering schools being essentially studio-based courses. Maybe it’s simply… View this post
Filed in: Live Sound • Feature • Poll • Study Hall • Audio • Education • Engineer • Mixer • Signal • Sound Reinforcement • System -
Monday, August 22, 2011Microphone Basics For Meeting Facilities
Chris Lyons, Tim Vear, & Michael Pettersen 08/22/11 06:07 PM, 2 CommentsIn order to select a microphone for a specific application, and to apply it properly, it is first necessary to know the important characteristics of the sound source(s) and of the sound system. Once these are defined, a look at… View this post
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Installation • Interconnect • Microphone • System -
Thursday, August 11, 2011The Role Of Critical Distance In Overall Microphone PlacementPSW Staff 08/11/11 12:47 PM, 0 CommentsA microphone is the first component in any speech recording or transmission system. Its function is to convert acoustic sound waves into an equivalent electrical signal. This signal can then be recorded, transmitted, amplified, or modified. However, a microphone cannot… View this post
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Microphone • Signal • Sound Reinforcement • System -
Tuesday, August 09, 2011Understanding Loudspeaker Specifications And What They Can Tell You
Kent Morris 08/09/11 04:17 PM, 0 CommentsWhat’s wrong with this scenario? A clean stream of audio, processed through state-of-the-art digital processing devices and amplified by an advanced power amplifier, is delivered to the audience through a cone of paper pulp inside a wooden box. The weak… View this post
Filed in: AV • Feature • Poll • Study Hall • AV • Audio • Installation • Loudspeaker • Signal • Sound Reinforcement • System
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