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Articles Tagged Reference Articles

  • Tuesday, January 10, 2017
    subwoofers
    Craig Leerman 01/10/17 12:11 PM,
    Today’s music and special effects (like explosions in motion picture soundtracks) include a lot of low-frequency content. While larger full-range loudspeakers may have a wide frequency range, it takes subwoofers to really reproduce low end with impact, especially for bass-heavy music like electronic dance (EDM) and reggae. Deployment of main loudspeakers is usually a relatively straightforward matter, but locating and configuring subs presents numerous options and can be a bit of a challenge. Let’s start with the basics. Subwoofers are… View this story
    Filed in: Live SoundFeatureBlogStudy HallLoudspeakerMeasurementProcessorSound ReinforcementSubwoofer

  • Tuesday, May 10, 2016
    prosoundweb
    Merlijn van Veen 05/10/16 07:49 AM,
    PSW Top 20 presented by Renkus-Heinz   In this article we’ll investigate how the speed of sound in air is, for all intents and purposes, exclusively temperature dependent within the audible bandwidth of our typical applications. There are some popular misconceptions on this subject related to pressure, density, and other effects that are addressed here. The speed of sound is the distance traveled per second through an elastic medium. The medium is composed of molecules held together by intermolecular forces.… View this story
    Filed in: Live SoundFeatureBlogStudy HallConcertMeasurementSignalSound Reinforcement

  • Monday, January 11, 2016
    signal flow
    Barry McKinnon 01/11/16 07:06 AM,
    PSW Top 20 presented by Renkus-Heinz   Editor’s Note: This article was featured in the very first issue of Live Sound International, which in 2016 celebrated its 25th anniversary. Published in January 1992, the article is understandably a bit dated, yet it still provides a wealth of valuable information on an important topic in sound reinforcement. Signal distribution can get unwieldy at times. One of the worst situations is the slow evolution of a sound reinforcement system. The growing demands… View this story
    Filed in: AVLive SoundFeatureBlogStudy HallAVInterconnectPowerSignalSound Reinforcement

  • Friday, January 08, 2016
    prosoundweb
    PSW Staff 01/08/16 11:39 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 got to thinking that 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… View this story
    Filed in: AVLive SoundRecordingChurch SoundFeatureBlogEducationEngineerSound ReinforcementStudioTechnician

  • Wednesday, February 25, 2015
    nsca
    PSW Staff 02/25/15 11:36 AM,
    The National Systems Contractors Association (NSCA) has announced the release of the 2015 Guide to State Licensing, providing the commercial electronic systems industry with a reference guide of state laws governing the installation of low-voltage systems. The 2015 Guide to State Licensing offers an overview of licensing requirements and state code for each U.S. state. The research presented reflects changes in state and administrative statutes through December 2014. “This guide answers many questions we receive from members who want to… View this story
    Filed in: AVLive SoundChurch SoundNewsTrainingAVBusinessEducationEngineerInstallationTechnician

  • Monday, October 20, 2014
    amplifiers
    Bob Lee 10/20/14 12:07 PM,
    This article was first published several years ago in Live Sound International magazine, yet it still provides timeless reference information in clearing up misunderstood electro-physics of power amplification technology. Q.} What does a power amp do, anyway? A.) In a nutshell, a power amp takes your audio signal and provides both voltage gain and current gain to drive loudspeakers. The voltage gain is necessary because line-level audio runs around a volt, peaking at maybe 8 to 12V, and loudspeakers need… View this story
    Filed in: AVFeatureBlogStudy HallAmplifierAVEducationInterconnectPowerSignal

  • Monday, October 06, 2014
    nsca
    PSW Staff 10/06/14 01:13 PM,
    The National Systems Contractors Association (NSCA) has announced the launch of its Compensation & Benefits survey, part of ongoing research that tracks and benchmarks compensation and benefits data for key industry positions. Through October 24, 2014, NSCA will collect data on company background, staffing levels, employee benefits, compensation, and sales forces at integration firms around the country. To take the survey, go to www.nsca.org/compsurvey, and note that all survey participants will be entered into a drawing for a $250 Visa… View this story
    Filed in: AVLive SoundNewsAVBusinessEducationInstallationManufacturerTechnician

  • Tuesday, September 02, 2014
    focal press
    PSW Staff 09/02/14 12:36 PM,
    Focal Press has just released the second edition of Small Signal Audio Design by Douglas Self, providing ample coverage of preamplifiers and mixers, as well as a new chapter on headphone amplifiers. The handbook provides an extensive repertoire of circuits that can be put together to make almost any type of audio system. Essential points of theory that bear on practical performance are lucidly and thoroughly explained, with the mathematics kept to a relative minimum. Self’s background in design for… View this story
    Filed in: AVLive SoundRecordingNewsProductTrainingAmplifierAnalogAVDigitalEducationMixerProcessorSound ReinforcementStudio

  • Friday, August 01, 2014
    synaudcon
    Pat Brown 08/01/14 06:49 AM,
      Almost every sound system has an equalizer. It can be as simple as a channel strip tone control or as sophisticated as a multi-band parametric. Some view the use of equalization as an art form, while others see it as distinctly technical in application. A prevailing myth is that an equalizer can correct all of the shortcomings of a sound system. Of course this is nonsense, but used properly, equalizers can improve the sound quality and general performance of… View this story
    Filed in: AVFeatureBlogStudy HallAVLine ArrayMeasurementProcessorSignalSound Reinforcement

  • Wednesday, July 30, 2014
    prosoundweb
    John Murray 07/30/14 01:20 PM,
    Since the early 1980s, the term “time alignment” has been tossed around pretty freely, and with dubious degrees of accuracy. Note, however, that this was far from the first time the concept was noticed. Indeed, the engineers who provided the loudspeakers for the first “talkie” film, Al Jolson’s The Jazz Singer, noticed that the “taps” of the tap dancing scenes came out of the high-frequency (HF) horn and folded-horn low-frequency (LF) woofer at different times. Ever since, designers have been… View this story
    Filed in: AVFeatureBlogStudy HallAVEngineerLoudspeakerMeasurementProcessorSignalSound Reinforcement



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