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Audio Visual Insights for Web-Conferencing and Live Streaming

Examining AV Tools for Enterprise Communications

Posted by Julia Sherwin on Mar 6, 2020 2:42:08 PM

It’s certainly a unique time for those of us in the professional audiovisual industry. For designers, integrators, re-sellers and technology managers, the niche industry that usually consumes us with the deeply technical side of things has now shifted into mainstream conversations. 

Why? As most of us have noticed, the news media, local municipalities, counties, schools and businesses have been working feverishly to convey critical information to the public about the recent outbreak of COVID-19, known commonly as coronavirus. While many may disagree about the severity of the virus, two things are certain. The virus is spreading, and businesses are cancelling conferences, meetings and other events to prevent their employees' exposure. 

According to The Lancet, “the national security strategy for COVID-19 within China has shifted to so-called wartime control measures,” with cities on lock down.


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Topics: Video Conferencing, Webinars, audio conferencing, Wireless Presentation, Touch screen LED LCD, Zoom.US, barco clickshare, YouTube Live, Live Streaming, zoom, Zoom Rooms, vmix, Video Production, facebook live, Broadcast Camera, BYOD, content sharing, collaboration technology, Sharp Aquos Board, Coronavirus

The Bottom-line Risks of—and How to Solve—Workplace Noise Issues

Posted by Nathan Van Ness on Jan 13, 2020 12:09:23 PM

Popular building-design and workstyle trends are raising office noise levels, and the results often negatively impact staff productivity and businesses' bottom lines.

The push toward increased “daylighting” in building designs, often in pursuit of  Leadership in Energy and Environmental Design (LEED) certification, presents office noise challenges. Increasing a building’s natural light coverage means more glass, both in terms of external windows and interior partitions. Glass performs poorly as a noise blocker, thus contributing to an increase in overall office noise.

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Topics: Web Video Conferencing, audio conferencing, Audio Visual Advice, Sound masking, conference audio, healthcare

Audio Solutions for Distance Learning

Posted by Julia Sherwin on Oct 9, 2019 3:15:00 PM


Recently, CRS caught up with Phoenix Audio Technologies to talk about some of their audio technologies that are helping colleges and universities meet their distance learning objectives.

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Topics: audio conferencing, phoenix audio

Interview: Founder and President of Acoustic Magic Explains the "Magic" Behind the Products

Posted by Emily Richards on Aug 7, 2018 5:17:00 AM

Acoustic Magic

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Topics: audio conferencing, Podcast

Professional USB Audio Conferencing... Here is what makes Phoenix Audio Different

Posted by Paul Richards on Feb 9, 2017 9:33:50 AM

Hello AV & IT Managers,

If you have spoken to one of dedicated account managers here at ConferenceRoomSystems.com you may have found out that we really like to recommend Phoenix Audio conferencing products. There are quite a few reasons why Phoenix Audio's USB, SIP and traditional analog PSTN conference phones fit the bill for many of our technology projects. Let's start with some basic reasons why we recommend Phoenix Audio and then we will review each major product in our video series below.

1. Quality: Phoenix Audio makes a high quality product. Every product is made from aluminum alloy, NOT plastic. It makes a BIG difference and  the build quality shows.

2. Support: Support is essentially non-existant. It's not that we don't want to help support our customers... It's the fact that the products just work and support/troubleshooting just doesn't come up with Phoenix Audio Products

3. Easy Installation: When it comes to installation everyone likes to hear Daisy-Chaining and Power Over Ethernet. These two features put Phoenix Audio above and beyond. Later in this blog post we will review there PoE USB 2.0 extension system, ceiling mounting solutions and daisy chaining in more detail. 

4. Versatility: Phoenix Audio has managed to pack a ton of value into their small conference phones. When competitors are offering just USB or just analog phone support, Phoenix support both in a single model. As many of our customers make the trasisition from traditional audio conferencing to web-based communications it's nice to have product that can bridge the gap. 

5. Asthetics and DesignHave you ever seen the size of a Cisco 8831? Check out the size difference. Enough said. Collaboration space design is more important than most manufacturers give it credit for. A good design can make all the difference for room functionality and ease of use. 

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Topics: audio conferencing, phoenix audio, AV

NEW 3D Conference Room Layouts!

Posted by Paul Richards on Nov 3, 2016 11:18:11 AM

CRS is proud to announce we will be offering 3D conference room layouts with Google Sketchup! CRS is now offering 3D room layouts. We have a link below where you can get started with your next project to have a 3D rending made and drawn to scale! CRS is using Google Sketchup to create 3D Room Layouts for our customers audio visual projects. If you are working with an account manager from CRS, request a 3D rendering for your next project and meet with one of our engineers who can make you next project a success!

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Topics: Video Conferencing, audio conferencing, Video Production, AV

Choosing the Right Microphone - Listen to these recordings and sound great on your next recording!

Posted by Paul Richards on Sep 7, 2016 8:48:25 AM



This broadcast microphone review covers a wide range of microphone types that have been used on our live show and video blog. We use recordings with, broadcast microphones, hand held microphone, lavalier microphones, head-worn microphones, built-in laptop microphones, ipads and even headphones. The point we are trying to make is pointing out which microphone sound good and which sound pretty bad… All recordings were done using mp4 video format with 128 Kbs for audio. So with that 128 Kbs as our constant variable look for differences in the audio quality in our microphone recordings.

Two of the best audio experiences can be found using handleld and lapel (lavalier) microphones. Each microphone has its own best practices and use cases that we will review in this video. Both microphones are standards for public speakers, presenters, worship leaders and stage actors.


The Lavalier or Lapel microphone is ideal when you have time to “Mic Up” your talent. Lavaliers are ideal for audio pickup because they can be placed fairly close to your talent’s mouth. You can clip the lavalier microphone onto your talent’s clothing and the best place to start is roughly 6-8″ from the talent’s chin. In Profile, you should notice that there is a direct line between the lapel microphone and your talent’s mouth. You should hear a full range of high and low frequencies and adjust the microphone position to avoid any noticeable bass boosting or excessive sibilance.

Finally clothing is a potential issue when it comes to lavalier microphones. Suggest clothing of natural fibers such as cotton, wool or a blend. Synthetic clothing can be an issue because it can cause rustling heard through the microphone. For men the best case scenario is business suit and/or a business tie. For women suggest something without any noise accent pieces that make ruffling sounds.


The best advice I have ever received about handheld microphones is that they pick up audio like a flashlight shines light. Generally, hold the microphone in front of you, pointed directly at your mouth. Ideally, we are suggest 3-6 inches from your face and about 1″ below your mouth. You want to speak directly into the hand-held microphone, so it can pick up your audio loud and clear. Avoid breathing directly into the microphone and use a wind-filter if your talent is creating any noises that are un-settling.


When it comes to microphones there is almost nothing like a head-worn (headset) microphone. In this video we review perhaps the most expensive head worn microphone the DPA D:Fine vs SAMSON XPD1. The DPA D:Fine microphones are used in the highest quality systems from Broadcast in New York to the filming of the Hobbit! These microphones are of the absolute highest quality. But they cost over $649 per system. Because budget is always a concern we wanted to compare and contrast the difference between the DPA D:Fine and a new product from SAMSON called the XPD1. The XPD1 is only $99 and it includes a complete wireless transmission system that uses 2.4 GHz. In this video we compare and contrast the differences, show some sample recordings and switch between both microphones live!


Another interesting topic in our broadcast microphone review is the effect of compression during a video conference call. For this review we take two audio clips and compare them. The first video clip is taken from Tom Sinclair’s “Streaming Idiots” show which was directly recorded to his laptop. The second clip was recorded on the far end of a Zoom Video Conference call. Both clips used the same broadcast microphone the Audio Technica AT897. (http://www.audio-technica.com/cms/wired_mics/9aeff7bd1ee954dc/index.html/) The microphone is mounted on overhead boom extension so you can’t see it in the video clips. It’s a condenser mic so it picks up every little sound in the studio. Ac, pc fan, any ambient sound gets picked up. Also picks up the ever so slight echo in a room with bare walls.

With our microphone and recordings at 128 Kbs as our constant we compare the audio quality when sent over the public internet using Zoom Video Conferencing. The video conferencing software has it’s own compression and audio algorithyms it uses to provide an ideal experience. As you can hear the audio is amplified quite a bit and the audio echo cancellation is also at work. Let us know what you think. Personally I hear some audio quality loss and a bit of the dynamic lows are missing.


This review provides recorded audio from built-in laptops and compares them with a professional headset microphone from DPA (D:Fine). This is the most common form of online video conferencing and most of our guests actually join our show with a built-in microphone laptop. What we found is that our audience has trouble hearing recorded content from such low quality microphones. Using a built-in microphone on a laptop or iPad is acceptable (not ideal) when you are using it for video conferencing. It’s not the best microphone but as long as you can be understood it should be fine. But when we are talking about broadcast microphones where a video is being recorded it’s really barely acceptable. The audio from a built-in laptop has to battle audio echo cancellation as it

The audio from a built-in laptop has to battle audio echo cancellation as the same device that is recording audio is also producing audio from the speakers. Laptops varying in quality but in general the audio quality is not why you buy a laptop. Therefore a built-in laptop microphone is almost the worst possible microphone you can use duing a live streaming, broadcast or professional recording.


So this review show the difference in quality when users select a professional head-worn microphone (we are using the DPA D:Fine) vs a set of standard earbuds that include a microphone. If you have seen our other videos a set of headphones with the microphone attached is still MUCH better than a built-in microphone on a laptop. But as you can hear these standard earbuds don’t offer much of a high quality experience. One of the main problems with these headphone style microphones is that they swing with the headphones and make a scratchy, ruffling sounds when moved around. They are a step up from standard built-in microphones but do not provide a broadcast quality audio sound that is worth recording in a professional environment.


Perhaps one of the biggest differences in quality is a professional microphone vs any built-in microphone including the iPad. But in this video we wanted to demonstrate the audio quality difference of a iPad without headphones being used. As you can see the headphones make a pretty big difference but both still don’t sound as good as professional microphones. The headset is better than a built-in microphone because it helps seperate the audio output from the microphones. In this regard, we do notice better audio quality when guest on our show uses headphone microphones. While both microphones perform poorly when compared to the professional microphones in our review… The headphones still out perform the standard iPad microphone.
Here the entire list of microphone reviews here: https://www.youtube.com/watch?v=G4LKvb_3f6U&list=PLyY0t7zWqRQoVyeNJOvI8VLP-5nxVAIFl

Watch our Latest Friday Live Stream: https://www.youtube.com/playlist?list=PLyY0t7zWqRQoTds87rRKXlBAePHVfOD23

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Watch our Latest Company VLOG: https://www.youtube.com/playlist?list=PLyY0t7zWqRQoJXccjLRlCVIvGQ_CbiR95

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Topics: audio conferencing, wireless microphones

Why the Wireless USB Speakerphone is so important...

Posted by Paul Richards on Sep 2, 2015 3:24:00 PM

Hello IT & AV Pros!

For those of you who follow the "USB Revolution" as Vaddio has popularly termed the shift toward "Web Conferencing Equipment" you have seen the many breakthrough's in this industry. Web conferencing software pioneers such as Skype, GoToMeeting and WebEX were years ahead of the hardware technology we are now using to create successful meeting spaces for web conferencing (Technology Timeline Here). Today we wanted to demonstrate a important breakthrough for USB audio conferencing and explain why it's so important for the industry.

1. Wireless Technology is Important

2. High Quality Audio is always King

3. Wireless Video vs Wireless Audio

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Topics: audio conferencing

The Future of International Business is Here.

Posted by Paul Richards on Jun 29, 2015 8:00:00 AM

Skype Translate is revolutionizing the world of international business

In December last year, Skype launched its Translate app preview which will revolutionize video calling forever. We live in a technological world where everyone is connected with their friends, family and colleagues through social media and social networking apps. The only barrier that stops us from connecting with new people is language. Language is the biggest barrier in communication even though English is the most commonly spoken language, still more than half of the 7 billion people on this planet cannot communicate in English.

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Topics: audio conferencing, Audio Visual Advice, Microsoft Lync, skype for business

A New Outlook, Skype for Business Now Integrated with Office 365

Posted by Paul Richards on Jun 29, 2015 8:00:00 AM

Skype for Business, Improved and Integrated with Office 365

Microsoft has replaced Microsoft Lync with the improved Skype for Business video conferencing software. Skype for Business is an improvement over Microsoft Lync while retaining the same popular features and adding new ones. Great news for professionals, Skype for Business offers new integrations with Office 365. There are three pricing plans now available for users – Business Online 1, Business Online 2 and Server 2015.

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Topics: Video Conferencing, audio conferencing, Audio Visual Advice, Microsoft Lync, skype for business


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