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A/V features

  • Monday, August 29, 2016
    loudspeaker world
    Bob McCarthy 08/29 12:31 PM,
    It was 1984 when I first sat in front of an FFT (Fast Fourier transform) analyzer during a concert and made decisions about tuning sound systems. I’ve been doing it ever since, and have written a lot of articles and a few books about this, but these are usually very focused and detailed. This time I’ll go a completely different direction: a dartboard of 30 things I’ve learned in 30 years of being hyper-focused on one thing. No proofs or… View this story
    Filed in: AVFeatureBlogStudy HallAVEngineerLoudspeakerMeasurementMicrophoneSignalSound Reinforcement

  • Monday, August 22, 2016
    image
    Chris Bianchet 08/22 06:08 AM,
    This article is provided by Commercial Integrator   Perhaps one of the most difficult things about being a subcontractor in the AV Industry is the way we are most commonly engaged. Let me paint a picture. A salesman comes back to the installation department and says “Customer just got a budget for 3 more rooms, but they need to have them installed by next week; can we get them installed?” After the installation manager looks at the calendar to see… View this story
    Filed in: AVFeatureBlogStudy HallAVBusinessInstallationTechnician

  • Friday, August 19, 2016
    image
    Gary Parks 08/19 11:40 AM,
    Go to a concert these days and you’re likely to see line arrays flying left and right above the stage. For many applications, well-designed line array systems supplemented with electronic control are the best choice to provide the necessary SPL, directivity control, and uniformity of output – and to project consistent level and frequency response across large audiences. At the same time, the venerable 2-way loudspeaker, combining a cone driver with a high-frequency device through a directivity-shaping horn, has benefitted… View this story
    Filed in: AVFeatureProductSlideshowAVLoudspeakerManufacturerSound Reinforcement

  • Thursday, August 18, 2016
    microphone cables
    PSW Staff 08/18 01:12 PM,
    What is impedance? Impedance is the AC (alternating current) version of the DC (direct current) term resistance, which is the opposition to electron current flow in a circuit and is expressed in ohms. Impedance (often abbreviated as “Z”) includes capactive reactance and inductive reactance in addition to simple DC resistance. Reactance depends upon the frequency of the signal flowing in the circuit. Capactive reactance increases as frequency decreases: inductive reactance increases as frequency increases. Because of this frequency dependence, impedance… View this story
    Filed in: AVFeatureBlogStudy HallAVInterconnectMicrophoneSignal

  • loudspeakers
    PSW Staff 08/18 06:35 AM,
    The Live Sound International (LSI) Loudspeaker Demo — a.k.a., “The Ultimate Audio Experience” — is coming to Louisville this September, presenting the unique opportunity to listen to, evaluate, and compare at least 24 top professional loudspeaker systems in a controlled listening environment. The event, which has attracted more than 3,000 attendees over the past several years, will be held in an exhibit hall in conjunction with this year’s WFX (Worship Facilities Expo) at the Kentucky Exposition Center on September 21-22.… View this story
    Filed in: AVLive SoundChurch SoundFeatureBlogAVEducationLine ArrayLoudspeakerManufacturerSound Reinforcement

  • Wednesday, August 17, 2016
    prosoundweb
    Pat Brown 08/17 06:31 AM,
      The eyes and ears do not always agree when it comes to sound quality. (Related article here.) If making acoustic measurements is so difficult, why bother? Why not tune the system based solely on listening? Because there are several very good reasons for including our eyes in the system tuning process! We humans base our concept of reality upon the evidence presented by the five senses to the brain. Our concept of “blue sky” or “green grass” is the… View this story
    Filed in: AVFeatureBlogStudy HallAVEngineerLoudspeakerMeasurementProcessorSignalSound Reinforcement

  • Monday, August 15, 2016
    analog digital conversion
    Dennis A. Bohn 08/15 12:53 PM,
    This article is provided by Rane Corporation.   Editor’s Note: This article originally appeared in 1997, but the principles are still valid today and worthy of repeating. Like everything else in the world, the audio industry has been radically and irrevocably changed by the digital revolution. No one has been spared. Arguments will ensue forever about whether the true nature of the real world is analog or digital; whether the fundamental essence, or dharma, of life is continuous (analog) or… View this story
    Filed in: AVFeatureBlogStudy HallAnalogAVDigitalEthernetInterconnectNetworkingProcessorSignal

  • Friday, August 05, 2016
    prosoundweb
    PSW Staff 08/05 10:09 AM,
    ProSoundWeb presents at least two feature articles every day of the working week, meaning that there are 40-plus long-form articles highlighted each and every month. That’s a lot. In fact, so much so that we thought it would be handy to present a round-up of the most-read articles for those who might have missed at least some of them the first time around. What follows is the top 5 most-read articles on PSW for the month of July 2016. Note… View this story
    Filed in: AVLive SoundRecordingChurch SoundFeatureAVEducationEngineerSound ReinforcementStudioTechnician

  • Tuesday, August 02, 2016
    impedance
    Jonah Altrove 08/02 01:32 PM,
    It may not seem so at first blush, but there are a few concepts as pervasive in live audio as the concept of impedance. It’s relevant to microphones, direct boxes (DIs), preamps, processors, amplifiers, loudspeakers, equalizers, crossover filters, and even the cables that connect them all together. In this article, as well as in part 2 to follow soon, we’ll explore the principles of impedance, and examine how these concepts apply directly to our work in the field. Ohm Sweet… View this story
    Filed in: AVLive SoundFeatureBlogStudy HallAmplifierAVInterconnectMeasurementPowerSignal

  • Friday, July 29, 2016
    audio business
    Jonah Altrove 07/29 10:41 AM,
    A few years ago while working as an A1 for a local production company, I took a call from a young married couple who held an annual jam band festival on their property. In previous years the rig had been a potluck of cobbled-together “prosumer” gear, but they were seeking to bring in professional production to deal with bigger acts and a larger draw. For an expected attendance of 6,000, they requested side-by-side dual stages (plus the accompanying dual roof… View this story
    Filed in: AVLive SoundFeatureBlogStudy HallAVBusinessEducationEngineerSound ReinforcementTechnician



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