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Wednesday, November 14, 2012PreSonus UC 1.7 Expands VSL’s Smaart Analysis Capabilities
PSW Staff 11/14/12 12:36 PM,On November 19 (this coming Monday), PreSonus will release version 1.7 of its Universal Control, a free update to the company’s control-panel software that offers a significant expansion of the Rational Acoustics Smaart measurement technology that is integrated into the Virtual StudioLive section. The update will be available for download at www.presonus.com/support/downloads. In Universal Control 1.6, PreSonus added Smaart Measurement Technology’s Spectra module to its Virtual StudioLive control/editor/librarian software for all StudioLive mixers, which is part of Universal Control. This… View this post
Filed in: AV • Live Sound • Church Sound • News • Product • Production • Consoles • Measurement • Mixer • Signal • Software • Sound Reinforcement -
Monday, November 05, 2012Church Sound: It’s A Little Too Loud, But That’s… Good?!?
Gary Zandstra 11/05/12 12:22 PM,A couple of weeks ago the sound operator and I were standing in the middle of the main sanctuary trying to decide if the overall level was too hot. We were also trying to understand why the stage volume seemed to be up significantly. As we were talking (actually almost shouting, so that we could hear each other), I asked, “Is that the acoustic snare I’m hearing, or the amplified one?” With the sound level meter showing peaks of nearly… View this post
Filed in: Church Sound • Feature • Blog • Analog • Digital • Measurement • Sound Reinforcement • Stage -
How To Find Problems That Degrade Performance In Balanced Audio Equipment Interfaces
Bill Whitlock 11/05/12 09:36 AM,Previously I have explored the theoretical aspects of balanced interfaces and de-bunked the widespread myth that equal and opposite signal swings are somehow responsible for its noise-rejection properties. In this column, we will explain how to find most problems that degrade performance in real-world systems. The problems fall into two broad categories. The first is design errors in the equipment itself, most often the “Pin 1 problem” that couples shield current noise into the audio. The second is problems caused… View this post
Filed in: AV • Feature • Blog • Study Hall • Production • Audio • Interconnect • Measurement • Power • Signal -
Thursday, November 01, 2012Emulating What We Hear: Performing & Using The Difference Measurement
Pat Brown 11/01/12 05:42 PM,Human listeners are effective “comparators.” We are very sensitive to changes in what we hear. When comparing loudspeakers, we are most sensitive to differences between models or brands rather than similarities. This powerful analytical tool can be emulated in the world of test and measurement. I have long considered the “difference” measurement to be one of the most valuable tools available to the sound practitioner. The procedure involves: 1. Performing a measurement 2. Storing it as a reference 3. Introduce… View this post
Filed in: AV • Feature • Blog • Study Hall • AV • Loudspeaker • Measurement • Signal -
Thursday, October 25, 2012SynAudCon Emergency Communiciation Systems (ECS) Speech Intelligibility Workshop Update
Pat Brown 10/25/12 07:35 AM,Last month, we at SynAudCon announced the Emergency Communication System Speech Intelligibility Workshop (ECSSIW), to be held in January 2013. Go here for pricing information and to register to attend. Here’s an update on how the event is shaping up. We’ve just returned from a site visit to the American Airlines Training and Conference Center. While there, Brenda met with the staff to work out logistical details. I sized up the AV capabilities in the auditorium, and built a Sketchup… View this post
Filed in: AV • Live Sound • News • Training • AV • Education • Measurement • Signal • Software • Sound Reinforcement • Audio -
Thursday, October 18, 2012Church Sound: That Mic’s Too Hot! Microphone Sensitivity And What It Really Means
Chris Huff 10/18/12 03:46 PM,This article is provided by Behind The Mixer. Microphone sensitivity becomes a topic of discussion as soon as it becomes a problem. I’d hazard a guess that most people don’t think about microphone sensitivity until the moment when a microphone picks up a sound that explodes out of the house speakers, to which someone says, “that microphone’s really hot!” The Definition Microphone sensitivity is the measure of the microphone’s ability for converting acoustic pressure into an electric voltage. The… View this post
Filed in: Church Sound • Feature • Blog • Study Hall • Measurement • Microphone • Signal -
The Devil And The Auto RTA: Don’t Forget To Use Your Ears
Bennett Prescott 10/18/12 03:31 PM,In my perhaps too frequent visits pro audio forums, I regularly read about weekend warriors who have just acquired their first DSP (digital signal processor) system controller and are seeking to understand how it’s auto RTA (real-time analyzer) function can help provide better performance out of their portable sound system. Invariably, the DSP unit is pressed into service for the first gig, a measurement microphone is attached, and some signal (usually pink noise) is run through the rig while the… View this post
Filed in: Live Sound • Feature • Blog • Study Hall • Digital • Loudspeaker • Measurement • Processor • Software • Sound Reinforcement • System -
Subwoofer Arrays: Discussion & Analysis Of A Variety Of Bass Coverage Patterns
Jeff Berryman 10/18/12 01:46 PM,We often describe bass as non-directional. This is because we’ve learned that loudspeakers much smaller than the wavelengths they’re radiating are normally non-directional, and we know that bass wavelengths are long - 20 feet at 55 Hz, for example. In reality, bass is just low-frequency sound that obeys the same rules as sounds of other frequencies. In these rules, all dimensions are proportional to wavelength. For bass, practical directivity issues arise because the wavelengths involved are so large. Some… View this post
Filed in: Live Sound • Feature • Poll • Study Hall • Loudspeaker • Measurement • Sound Reinforcement • Subwoofer -
Friday, October 12, 2012Auralex Introduces ProFusor II Fabric Wrapped Sound Diffusor
PSW Staff 10/12/12 07:50 AM,Auralex Acoustics has introduced the new ProFusor II fabric wrapped sound diffusor, designed to address flutter echo without removing acoustic energy in the room or greatly changing the frequency content of the sound. Implementing ProFusor II diffusors can help can make a small space seem large and a large space seem even larger while also allow users to enhance the accuracy of critical listening environments and create a larger “sweet spot.” Ideal for use in residential theaters, listening rooms, concert… View this post
Filed in: AV • Live Sound • Church Sound • News • Product • AV • Measurement • Signal • Sound Reinforcement -
Wednesday, October 10, 2012Smooth Performer: Sound Reinforcement For The new eTown Hall
PSW Staff 10/10/12 05:14 PM,Recognized nationally as a premier radio music program and broadcast on over 300 stations in North America, eTown has recently completed the renovation of its own 17,000-square-foot specialty venue called eTown Hall, located in Boulder, CO. The weekly radio broadcast heard from coast to coast on NPR, public and commercial stations is taped in front of a live audience and features performances and interviews with top musical artists. The format has attracted former presidents and icons including Jane Goodall, Jimmy… View this post
Filed in: AV • Feature • Amplifier • AV • Installation • Line Array • Loudspeaker • Measurement • Sound Reinforcement
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