Latest Headlines: Dr. Ampel Talks About Truth in Specs and Advertising, NSCA Opens Its Business Awards, Avenview Has a New Video Wall Solution
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Volume 15, Issue 24 — December 20, 2017
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Industry News Control & Signal Processing Projection Audio Media Players, Recording & Distribution Cables, Cases, Furniture, Mounts, Racks, Screens & Accessories
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The Sound of the Word
By Dr. Frederick Ampel President & Principal, Technology Visions Analytics
Words. We use hundreds, if not thousands of them every day. In a plethora of languages, dialects and forms, words are the building blocks of our verbal communications.
Every sermon, homily, blessing, oration or prayer is made from words. Instinctively we “reach” for the right words to speak in any situation or moment. It is words that we look to and rely on to convey our message, feelings, ideas, meanings, concepts, and thoughts, to persuade and motivate, encourage and most importantly express our emotions.
It is often said that words cannot effectively convey emotions, but it is to words that we turn to do so, for we have no other path.
Words convey power and grace. It is through words that we seek to build our relationships with our faiths and our fellow worshipers.
So it is words that we must consider the essence of any religious observance. Of course, there are the familiar and comforting rituals, visuals and physical actions that are a part of any worship experience. But it is upon the building blocks of our words that we depend on.
Delivering Word
Within the HOW technology space, we rely on our sound reinforcement systems to ensure that the spoken word is heard by all. But let’s be extremely precise and absolutely clear here — we are using the available technologies to support, enhance, expand and strengthen the spoken word, not create it.
This distinction is often blurred and unclear to non-technologically fluent users, and clients/buyers.
It is absolutely essential that we as the ‘experts’ in this area make every conceivable effort to ascertain the level of understanding with each client, and resolve and fulfill the expectations we create.
Far too often we make assumptions about the level of cognition and knowledge that our HOW customers have about sound systems and acoustics. I have written several articles on these topics in the last few months. But no article, book or whitepaper can assure that you are communicating with your HOW clients. Thus it is crucial that you ask questions and ensure that what you are saying and trying to communicate is being understood.
Why? Because hearing and sound are a lot more complex than you might imagine.
The Brain and Hearing
For most of modern medical history, the way in which various senses operate within our brains has been only superficially understood. In fact, a lot of the early assumptions about how things worked have proven to be totally false. It is only in the last few decades that neuroscience and technology have combined to present a far more detailed and precise map of how the amazing capabilities of the human brain combine and overlap to produce our sensory capabilities.
When we talk about hearing, it would be logical and reasonable to assume that the part of the brain called the auditory cortex would be “in charge” of processing the information coming in through your ears. You would be both right and wrong in that assumption.
As you can see from the graphic, many additional parts of the brain related much more than just auditory processing are involved when you are listening to someone speak. All of these various “sub-systems” are interconnected, interlinked and collectively responsible for your ability to ‘hear’ and process sounds, especially speech and music. As the diagram and PET scan image below shows areas devoted to vision, motor control, emotion, speech, memory, organization and planning, all get turned on or activated when listening to the spoken word. This astonishingly complex but correlated processing structure is active, automatically and thus we need to be aware of how we can help the brain use all this processing power by insuring proper inputs and stimulation.
To better illustrate how complex this process really is let’s explore a little deeper into how your brain hears.
To examine links between specific psychological processes and brain activity science medical researchers use the fields centered on neuropsychology and cognitive neuroscience. But the basis of this research and its application to practical purposes is focused through the scientific discipline of psychoacoustics, i.e., the study of sound perception by the human auditory system.
To do this, researchers use a unique imaging technology called PET scanning (Positron-Emission Tomography*), which produces astonishingly detailed images of electrical activity in the living brain. (For more on pet scanning, go here.)
For example, the image below is a normal brain listening to a JFK’s famous “Ask Not” speech (audio only).
Psychoacoustics has become an invaluable tool in designing hearing aids and cochlear implants and in the study of hearing generally. Psychoacoustics is fundamental. We need to know how the normally functioning auditory system works — how sound relates to human perception.
That field’s origins date back more than a century, to the first efforts to quantify the psychological properties of sound. What tones could humans hear, and how loudly or softly did they need to be heard?
Pitch could be measured in hertz and loudness in decibels, but other phenomena were not so easily quantified. Human hearing can discern the movement of sound with a surprising degree of accuracy. It can distinguish timbre, the difference between a clarinet and a saxophone. It can remember patterns of speech, to immediately identify a friend in a phone call years after last hearing the voice.
Finally, there are the imponderables, things we do with our hearing simply because we can. For example, everyone in the developed world can easily identify the sound of a train passing. But, what is it about that sound that we can identify? How can we do that almost instantly?
Research seems to show that we can do this because our acoustic environment, such as the speech we hear, changes much faster than our visual environment, so we have to and have been constantly adapting to new situations. This is in all likelihood why the ability to localize and identify sounds was and is such a critical survival factor, and why it remains a built-in skill. It is how you are able to identify and focus on one voice in a babble of sounds in a crowded room.
What We Hear
Given the technology at our disposal, designing and installing a sound system that is distortion free, has excellent dynamic range and delivers intelligible speech is well within the capabilities and frankly the budgets of almost any HOW facility.
But judging the system’s capabilities, strictly based on technical specification, measurements and similar scientifically quantifiable data is NOT enough to ensure that the spoken word is delivered with its full emotional breadth and impact.
Let me illustrate this by offering the following examples of a system for a typical 200 to 400 seat worship space. That size range encompasses more than 60 percent of the HOW spaces in N. America — so its a ‘standard’ size and complexity.
System 1: An inadequately designed and but properly installed system that meets all the basic specifications for coverage, level, quality, and budget. However, it is bandwidth limited to around 80-100 Hz because there was no provision for LF support (subwoofers). Or the opposite, where it is band limited in the upper-frequency ranges because the components cannot reproduce sufficient level above 8kHz. And the system has a maximum output limit (dynamic range) of say 95dB due to design vs. audience sizing miscalculations.
System 2: The same space but now covered by a system in which full bandwidth, extended dynamic range (+3dB above expected maximum output needs) and coverage uniformity are built into the design and execution. By the way, the difference in total budget between the two based on hundreds of examples is probably less than 10 percent total.
The minor cost differential coupled with intelligent and thoughtful design will make System 2 deliver dramatically better emotional impact and create a much higher level of congregational involvement and focus on the words and the ideas being offered.
Listen to Your Work
Perhaps the single most overlooked and ignored aspect of sound system design and installation is a final step that should be automatic but surprisingly is not. After all the mechanical, electronic and calibration work is finalized and tested and the system is deemed functional — TAKE THE TIME TO WALK THE SPACE AND LISTEN!
Over the last 30+ years of being called in to fix systems, or solve problems, it is still amazing to find how many systems were tested, to the “is this on” level and deemed finished. Just because it seemingly works and measures appropriately does NOT mean it is doing the job intended — to fully and impactfully deliver the word.
Whether that word is being created by a powerful, highly energized deep voiced worship leader or a quiet soft spoken pastor, the nuanced cadences, subtle dynamics and modulation of their voices are what make them successful.
If those are not conveyed in full detail to the congregation then the system has failed to provide the final and crucial emotional impact triggers that make the brain light up all its sensory processing and deeply involve the individual in the service and the message.
The only way to verify this aspect of any sound system is to use the same judgment tools the congregation will use — their EARS! You must listen to the system, in various locations, at various SPL’s and with variable content that matches the worship style and program.
Only then can you determine if the non-scientifically quantifiable aspects of the systems design goals have been met. Does it deliver the power of the word? Does it make the listener pay attention; does it create a sonic environment that reinforces the worship experience?
After all, what is the point of the system if it cannot meet that basic need?
So, LISTEN! Listen again and ensure you are providing all the emotional content that the services create. Then you have succeeded. Leave a Comment
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Could Harman’s Distribution Shift in the APAC Region Foreshadow the Company’s Future?
By Gary Kayye rAVe Founder
Harman Professional has long been either a direct-to-dealer set of brands or has distributed each of its 14 lines through market appropriate distributors — pro audio through pro audio distributors, pro video through high-end video distributors, and so on.
But, last week, in the APAC (Asia-Pacific) region, Harman seemed to consolidate distribution from nearly a dozen companies down to two.
Could this be the future or Harman?
Harman Professional, at least, has spent the better part of 2017 laying off people (650+ since early summer) or closing direct offices — nearly every Harman office was closed in the EMEA (Europe, the Middle East and Africa) region this past fall. And, some countries where Harman used to deal directly with dealers have transitioned to distribution.
Is Harman going to move all of their product through distribution in the future? It certainly appears that way.
Harman’s brands a big-time names and if Samsung, Harman’s parent company, is smart, they’ll cultivate them carefully. It’s clear that laying off 650 or so people means that they plan to work leaner and the company has already made it clear that they are focusing on the focus on the infotainment and automotive sectors — thus, ProAV is taking a backseat to consumer brands.
Thus, ramping up relationships with a few key distributors in the world’s major regions is highly likely as their future “go-to-market” strategy for new products. But, doing so, still requires technically competent support — many distributors are great at supplying AV gear but not great a support its, technically. It will be interesting to watch but, for now, many of the professional Harman brands are suffering a sales slowdown. And, some are rumored to be for sale.
What have you noticed with Harman brands — what are you experiencing? We want to know! Leave a Comment
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The ZOOM vs. WebEx Shootout ZOOM just published, on their internal blog, a video-based shootout against WebEx. Rarely do you see public side-by-side comparisons where one company calls out their competitor, by name, as it’s considered, by many in marketing, to be a bad move. But, in this case, ZOOM doesn’t seem to care — and, of course, it’s probably well-known that ZOOM founder, Eric Yuan, is a former WebEx founder, as well.
If you’r interested in reading the blog and watching their own shoot-out against WebEx, go here. Leave a Comment
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SDVoE Partner Consultant Program Announced — Kickoff Meeting to be Held at ISE 2018The SDVoE Alliance today announced its SDVoE Partner Consultant Program for recognized leaders in the field of AV-over-IP and experts in the design and architecture of SDVoE systems. The goal of the program is to provide guidance to integrators, installers and end users in leveraging the SDVoE standard for high performance AV network deployments in education, healthcare, enterprise, entertainment, hospitality, retail, houses of worship, government, military, industry and security.
HyperSphere Limited is the lead consultant participating in the alliance program. Frank Sheehan, CEO of HyperSphere, is the lead participant in the program along with Lee Payne, director of technology at HyperSphere. They have over 30 years’ experience within the field of AV-over-IP and will help define the role of consultants in the SDVoE ecosystem. SDVoE partner consultants will generate materials such as case studies, design specifications and best practices guidelines.
“The SDVoE Partner Consultant Program is the next step in ensuring integrators and end users can take full advantage of the flexibility and scalability of Ethernet to deliver 4K video without compromise – and for the first time, to deliver AV and data on a converged infrastructure,” said Justin Kennington, president of the SDVoE Alliance. “Working with registered SDVoE partner consultants will give them the confidence to take advantage of all that SDVoE technology and AV-over-IP have to offer over traditional approaches such as point-to-point extension and circuit-based AV matrix switching.”
The first meeting of the SDVoE Partner Consultant Program will be held at ISE 2018 in Amsterdam on Feb. 7, 13:00-14:00 in room G109. All interested parties are invited to attend the meeting to learn how they can join the program and benefit from participation. More information about the program and registration for the ISE meeting here. Leave a Comment
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Digital Signage Federation Announces New 2018 Board of DirectorsThe Digital Signage Federation (DSF), the independent not-for-profit trade organization serving the digital signage industry has announced the election of its new 2018 board of directors.
Richard Ventura, VP of Strategy for NEC Display Solutions, will be serving a second year as chair. Continuing in the vice chair role will be Spencer Graham of Real Digital Media. Jeff Kent of Cineplex and Brian McClimans of Peerless-AV have been elected by the board to serve as secretary and treasurer, respectively. Len Dudis with Grupo Vidanta who is currently serving as secretary, has been elected to the newly created executive committee role, director of marketing.
The at-large board elections, which concluded on Dec. 4, 2017, have been announced. Staying on the board of directors to serve a second two-year term are:
- Ryan Cahoy – Rise Vision
- Paul Fleuranges – MTA/NYC Transit
- Sheldon Silverman – SmartBomb Media Group
- Sandi Stambaugh – SYNNEX Corporation
Newly elected at-large board members who will be starting their first two-year term in January are:
- Laura Cison – GFX International
- Stephanie Gutnik – Broadsign
- Dave Haynes – Sixteen:Nine
Randy Dearborn from MGM Resorts and Mark Boidman from Peter J. Solomon Company will be leaving the board at the end of 2017 because their terms of service have concluded.
The DSF is here. Leave a Comment
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ClearOne Awarded New Patent for Spatial Audio Conferencing by the U.S. Patent and Trademark Office ClearOne today announced that it has been awarded a new patent relating to ClearOne’s spatial audio rendering technology for conferencing.
The U.S. Patent and Trademark Office (“USPTO”) issued United States Patent number 9,843,455 to ClearOne. This patent, entitled “Conferencing System with Spatial Rendering of Audio Data,” relates to conferencing systems that, among other things, transmit and receive audio with spatial information, which improves intelligibility and reduces listener fatigue in a conference.
This new patent is part of ClearOne’s growing patent portfolio that currently includes over 100 patents and pending patent applications covering multiple new technologies in the fields of audio and video processing, audio and video streaming, and innovative communication technologies. ClearOne’s patents reinforce and protect its market leadership position, and demonstrate ClearOne’s ongoing ability to develop cutting-edge products and technologies.
ClearOne is here. Leave a Comment
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Comprehensive Intros New CHE-HDBTWP230K — HDBaseT Wall Plate Extender Kit Comprehensive Connectivity Company launched its new HDBaseT Wall Plate Extender TX/RX Kit (up to 70 meters) with HDMI, VGA and audio (CHE-HDBTWP230K).
This kit includes one wall plate and one receiver and extends HDMI, VGA and stereo audio signals up to 230 feet with a 1080p resolution over a single Cat5/Cat5e/Cat6 unshielded twisted pair network patch cable via HDBaseT technology. Connection to the wall box uses 90° cable connectors. Auto switching displays the last connected device, use the front button for manual switching or serial RS232 switching option from a control device. Supports any OS and requires no driver set up. Bi-directional power allows easy connection to either the wall plate end or receiver end. HDCP and EDID are supported via HDBaseT.
Features:
- Transmit HDMI / VGA with analog audio signal up to 70 meters
- Bi-directional power from either TX or RX
- Includes one transmitter wall plate and one receiver
- Auto EQ adjustment for optimal signal clarity
- Input source sequence selectable via Auto, Manual and Serial RS232
- Support resolutions up to UHD (3840×2160) and Full HD (1920×1080)
All the detailed specs are here. Leave a Comment
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Extron TLP Pro 1025T Is All-New 10″ Touchpanel Design Extron just launched the TLP Pro 1025T 10″ Tabletop TouchLink Pro Touchpanel. Extron redesigned this latest touchpanel inside and out with a new, high-performance quad-core processor, eight times more memory, a higher resolution, 1280×800 capacitive touchscreen built with scratch and smudge-resistant Corning Gorilla Glass, and a sweeping back design. The TLP Pro 1025T also features PoE – Power over Ethernet, which allows it to receive power and communication over a single Ethernet cable. It is ideal in any environment requiring a stylish, tabletop touchpanel with a fully-customizable interface.
The TLP Pro 1025T has a quad-core processor, increased RAM that Extron says helps in faster background graphic loads and crisper page flips. These performance enhancements offer an enhanced user experience now. All TouchLink Pro touchpanels can be customized using Extron GUI Designer software. This powerful interface design software offers ready-to-use templates for a wide variety of rooms and presentation environments.
Here are all the technical specs. Leave a Comment
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Epson Ships Seven New Pro L-Series Laser Projectors and Ultra Short-Throw Lens for Live Events and Large Venue Applications Epson today announced it is now shipping its seven new Pro L-Series laser large venue projectors and the ELPLX02 ultra short-throw lens. Epson’s Pro L-Series laser projectors are intended for use in large venues, including rental and staging events, lecture halls and digital signage installations.
The new Pro L-Series includes seven new models – six WUXGA projectors with 4K Enhancement ranging from 12,000 to 15,000 lumens of color and white brightness and one SXGA+ resolution projector with 15,000 lumens. The projectors feature BT.709 color space, flexible connection options, high native contrast ratio, and 360-degree installation. In addition, the three 15,000 lumen laser projectors operate from a standard 120V power outlet and feature the same compact cabinet as the rest of the line – this is a big, big deal for the rental market.
All six models are spec’d for up to 20,000 hours of laser light source operation. Epson is the first manufacturer to combine inorganic 3LCD panels with an inorganic phosphor wheel to achieve this level of brightness and colorimetry in a laser projector.
In addition, the new ultra short-throw ELPLX02 lens that projects from 100-inches up to 1000-inches is now available alongside Epson’s extensive selection of lenses. The ELPLX02 ultra short-throw lens is the perfect solution for space-constrained environments and rear-projection applications. It also enables the 12,000 and 15,000 lumen Pro L-Series laser projectors to deliver large-size images from very short distances. With a 0.35 throw ratio, negative offset and impressive lens shift range.
Each projector uses a solid-state laser light source and electrostatic air filter and inputs include HDBaseT, 3G-SDI, HDMI, VGA and are compatible with Crestron RoomView, AMX, Extron XTP, Control4 and Art-Net. There are nine optional interchangeable lenses including the new ultra short-throw ELPLX02. And, because they are SSD, you can install at any angle (full 360-degree installation flexibility). The new Epson Pro L-Series projectors are currently available and the ELPLX02 ultra short-throw lens (list $13,999) will be available in January 2018.
Here are the full specs on the projectors and here are details on the lens. Leave a Comment
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Biamp Now Has Dante Wall Plates for Tesira — Built By Attero Biamp Systems has announced a new line of Dante wall plates specifically available for Tesira. Developed in collaboration with Attero Tech, this new offering enables audio connectivity and control, as well as individual device monitoring. The wall plates are available in three models.
The Tesira 3.4 software allows customers to control specific wall plate elements, such as audio input signal types, mute state, volume level, invert state and source selection. The platform also features a locate function, which enables programmers or IT to identify the location of a specific wall plate within the software.
The software can also act as a single point of connection for third-party control systems using Biamp’s control API, Tesira Text Protocol (TTP).
Tesira 3.4 also monitors the communication connection to each individual device, and a fault is triggered if communication from a device drops for any reason. A fault message will identify the specific wall plate in the device logs, in the software’s fault reporting window, and on the front panel of Tesira server-class devices.
Specifically designed to interact with the Tesira platform, the new wall plates from Attero Tech are available in three models, identified with a “-B” at the end of each part number. The unDX2IO+ model features two XLR inputs, two XLR outputs, and two line inputs; the unDX4I includes four XLR inputs and two line outputs; and the unDX6IO boasts two XLR inputs, two RCA (3.5-millimeter) inputs, two 3.5-millimeter outputs and two line outputs. Each model is available in either a black or white finish.
Here are the details. Leave a Comment
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QSC Debuts AcousticCoverage Ceiling-Mount Loudspeaker QSC‘s AcousticCoverage Series loudspeaker, the AC-C2T, is a 2.75″ full range loudspeaker with 70/100V transformer and 8 ohm bypass designed for conferencing, paging and business music applications. It’s spec’d with an effective frequency range of 70 Hz to 20 kHz, the noise power / voltage rating is 16 watts / 11.3 volts (rms) and the maximum continuous SPL is 96 dB with maximum peak SPL at 102 dB. Integrators can use advanced voicing with Intrinsic Correction via the Q-SYS Platform or CXD Series amplifiers. In addition, the AC-C2T includes a four-pole Euroblock connector to easily loop thru wiring and eliminate termination hassles. The AC-C2T loudspeaker is already shipping. Here are all the detailed specs. Leave a Comment
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Audinate Releases Dante IP Core for Xilinx FPGAs Audinate has announced the availability of Dante IP Core, a soft IP solution for audio manufacturers. It allows OEMs working with FPGA-based designs to add Dante audio connectivity to AV products at a lower cost and with greater flexibility than ever before.
Development teams can save time, reduce BOM costs and minimize their internal footprint by using a single FPGA to implement both product applications and Dante audio networking. Dante IP Core efficiently runs alongside OEM product applications such as ASRC, audio encryption, and signal processing on a range of Xilinx FPGAs, providing channel counts up to 512×512 with ultra-low latency and sub-microsecond synchronization.
Dante IP Core reduces the marginal costs of incorporating Dante in FPGA-based products, offering OEMs greater flexibility in aligning product families. Dante IP Core runs on the widely used Xilinx family of FPGAs. and provides all the interfaces required to be a fully functional Dante endpoint, including SiLabs clock synthesis, serial and parallel audio, DDR2 and SRAM, and a variety of standard control interfaces including UART, SPI and I2C.
Audinate is now a member of the Xilinx Alliance Program, a global community of qualified vendors that offers IP cores, tools and support for system designers who are developing innovative products using Xilinx FPGAs.
Dante IP Core is available for the Xilinx Spartan 6 family of FPGAs. Support for the Artix 7 FPGA is expected Q1 2018. For additional information, go here. Leave a Comment
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Vaddio Launches DocCAM 20 HDBT In-Ceiling Document Camera Vaddio has launched the DocCAM 20 HDBT Camera, a new high definition, recessed in-ceiling overhead document camera which features 20x optical zoom and high-definition 1080p/60fps resolution.
Equipped with a OneLINK HDBaseT port, the DocCAM easily connects to Vaddio’s OneLINK extension systems or other HDBaseT-compatible devices to simplify cabling installation and extend video, power, control and network up to 328 ft (100 m). DocCAM 20 HDBT features a 59.5° horizontal field of view to capture more of the tabletop in the camera view. Its laser dot alignment feature frames the subject matter quickly and easily with a remote control.
With its USB 3.0 output, end-users can send uncompressed, high resolution video over USB by pairing with the OneLINK AV Bridge AV Interface. It’s capable of 1080p/60fps for the smoothest video available. DocCAM 20 HDBT has an intuitive web-based user interface for remote configuration, management, and control.
Here are all the details. Leave a Comment
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Luxul Debuts New PDU Series of Network Power Distribution Products Luxul today announced an extended product line with a new series of intelligent network power distribution units (PDU). The PDUs allow for the local monitoring and rebooting of unresponsive devices, while their self-healing function performs reboots automatically to avoid costly truck rolls and service calls. When used with third-party remote management platforms, like Domotz and Ihiji, the units’ capabilities expand to include remote access and control. This allows integrators to receive port status notifications, power-cycle unresponsive devices from anywhere and deliver a better overall customer experience.
Power management features for the PDU series include MOV surge and spike protection for connected equipment in addition to remote sequencing for controlled startup and shutdown. Luxul offers a lifetime limited warranty for connected equipment, while the PDUs are backed by a three-year limited warranty and lifetime remote support.
Luxul’s PDU series consists of the PDU 2, with two individual IP-controllable outlets; the rack-mountable PDU 8, with eight controllable outlets and one additional convenience outlet; and the PDU 16, with eight controllable outlets and eight additional convenience outlets.
Here are more detailed specs. Leave a Comment
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For all you REGULAR readers of rAVe ProAV Edition out there, hopefully you enjoyed another opinion-packed issue!
For those of you NEW to rAVe, you just read how we are — we are 100 percent opinionated. We not only report the news and new product stories of the ProAV industry, but we stuff the articles full of our opinions. That may include (but is not limited to) whether or not the product is even worth looking at, challenging the manufacturers on their specifications, calling a marketing-spec bluff and suggesting ways integrators market their products better. But, one thing is for sure, we are NOT a trade publication that gets paid for running editorial or product stories. Traditional trade publications get paid to run product stories — that’s why you see what you see in most of the pubs out there. We are different: We run what we want to run and NO ONE is going to pay us to write anything good (or bad).
Don’t like us? Then go away — unsubscribe! Just use the link below.
To send us feedback, don’t reply to this newsletter. Instead, write directly to founder Gary at gary@ravepubs.com or Editor-in-Chief Sara Abrons at sara@ravepubs.com
Everything we publish is opt-in — we spam NO ONE! rAVe ProAV Edition is our flagship publication with what we believe is a reach of virtually everyone in the ProAV market. rAVe HomeAV Edition is co-published with CEDIA, covering the HomeAV market. We added rAVe Rental [and Staging] in November 2007, rAVe ED [Education] in May 2008 and then rAVe DS [Digital Signage] in January 2009. We added rAVe GHGav [Green, Healthcare & Government AV] in August 2010 and rAVe HOW [House of Worship] in July 2012. You can subscribe to any of those publication or see ALL our archives by going to: https://www.ravepubs.com
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