Dr. Frederick Ampel

Dr. Frederick Ampel

Dr. Frederick J. Ampel has been involved in the professional A/V industry for more than 40 years, working as a systems designer, consultant, sales and marketing professional and market researcher. He was the founding editor of Sound & Video Contractor and for SCN, as well as an editorial development consultant for Residential Systems Magazine, Live Sound International and ProSoundWeb. He holds a PhD in Acoustics and MS in Broadcasting and Electrical Engineering from Boston University and has been published by the Institute of Acoustics (UK), Acoustical Society of America, AES, NSCA, InfoComm and quoted in USA Today and The Wall Street Journal, and numerous industry publications. He volunteered with and taught for CEDIA, NSCA, InfoComm and AES. In 1991, Fred founded Technology Visions Analytics, a consultancy and market research firm, which he still runs today. Reach him via email at fred@proaudioweb.com.

The Sound of Sound

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In a world of steadily increasing digitization, robotization and electronic origination of everything from voicemail prompts to virtual customer support, the musical world has not been left out of the progression to artificial sources. Of course there remains the world of orchestral, operatic and some styles of folk/country music performances, which are as unrepentantly “live” […]

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Too Many Captain Kirks, Not Enough Scottys

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For well more than a century, the audio world was warm, straightforward and essentially analog at its core. It was a copper-based universe of wire, resistors, capacitors, transformers, vacuum tubes, transistors and electronic parts you could touch, feel, see and identify easily. And then, as things are wont to do, it all changed. Individual circuit […]

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Intelligibility and Acoustics Part 2: Speech Versus Music

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A note from the author: Having been involved in several hundred HOW sound system projects, across many denominations, over the last three decades, I hope what I have learned as discussed below, will help you avoid the classic mistakes and poor choices I have seen far too often. Remember a worship space with bad acoustics […]

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Intelligibility and Acoustics: A Conflict Resolved?

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It’s the Law The astonishing thing about the laws of physics and the mathematically derived acoustical parameters that govern sound reproduction is that, despite considerable effort by many well meaning or at least well motivated individuals and manufacturers over the last 150+ years, they simply haven’t changed, and, just in case you think there is […]

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Unprofessional, Incompetent or Collateral Damage?

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Suggested by a conversation with John Mayberry – Emmaco Engineering history is replete with decisions that, upon any kind of reasonable reflection, would prove at best questionable or at worst disastrous — for example, the rapid and urgent deployment of the legendary Boeing designed, engineered and constructed B-29 Superfortress in May of 1944 during WW […]

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We Have a Plan But It Doesn’t Work!

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Suppose you were one of the United States largest businesses, with your estimated net valuation exceeding 63 billion dollars, with gross revenue over 9 billion. Your 32 divisions average over $300 million in gross profit every year, and your divisional COO’s average salary is over 8 million, without considering anything but cash compensation. Who would […]

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Misaligned and Disarrayed

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Suppose for a moment you were a line array loudspeaker product. Genetically speaking, your DNA could have come from more than 150 different manufacturers, which collectively produce over 350 products (including all passive and active systems sold as “line arrays”), based on a survey of the products listed for sale on the half-dozen primary on-line […]

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