Wave Engineering Celebrates 4 Years in Business!

Wave Engineering Celebrates 4 Years in Business!

Wave Engineering is Turning 4! We have come a long way since we got our start with Jeff and Carmen working away in the spare bedroom. Racks of acoustic test equipment prominently displayed in the dining room made for an interesting Thanksgiving dinner. The past 4 years have seen the addition of two top-notch consultants, Andrew and Ben, and the acquisition of spacious offices in Littleton. Carmen enjoyed furnishing them with some funky vintage finds and particularly applauded the building of the storage room. As a team we have worked on over 240 projects in 17 states. We have helped clients with their acoustics, noise and vibration needs on a wide variety of projects, including schools, health care facilities, industrial plants, performance venues, fitness studios, residences, restaurants, shooting ranges and worship spaces. We thank you for your support over the past 4 years and look forward to many...
Shooting Range Acoustic Consulting & Noise Control

Shooting Range Acoustic Consulting & Noise Control

Shooting Range Noise Sound transmission from gun ranges has become a growing concern as shooting sports increase in popularity, and firing ranges are built in close proximity to retail areas and residential districts. We work with developers, architects, engineers, and city planners to evaluate potential noise concerns from shooting facilities. Wave Engineering, Inc. evaluates new and existing ranges with computer modeling and on site sound measurements, and can assist with exterior noise, permitting, and compliance with state and local noise codes and ordinances. We can also recommend acoustic treatments to control noise and reverberation inside the range, retail, and classroom areas. For more information, please watch our video profile on gun range noise and acoustics, below… HVAC systems shown in this video are by Carey’s Small Arms Range Ventilation. To Get Help With Your Shooting Range Project Contact Us...
Are Your Video Conference Room Acoustics HD-Compatible? (Part Two)

Are Your Video Conference Room Acoustics HD-Compatible? (Part Two)

In a previous post, we discussed ways that the acoustics of a conference room can affect the audio quality of the video conferencing system. Here in Part 2 we will go over some general recommendations on designing the room to get the best sound from the system. Good Design Principles The three main pillars to good acoustical design for a video conference room are: 1. Low background noise 2. Low reverberation 3. Microphones located close to the talkers If you can provide those three items in all conference rooms, you can achieve the natural, immersive sound quality that your HD video conference system is capable of. Background noise The HVAC noise in the conference room should be less than 30 dBA or Noise Criteria (NC) 25. Most building HVAC systems will exceed this level unless care is taken to add lined duct, locate equipment away from the room, and use low air velocities. Many conference rooms have a glass wall looking outside or into a corridor or lobby area. Intruding noises like traffic or people talking outside the room can interfere with the conference too. Some conference areas are not even divided from the rest of the open office area, which is not a good idea for video conferencing. Reverberation An ideal conference room should have a reverberation time around 0.5 seconds. This is not possible in a room with a lot of hard surfaces like glass, drywall, concrete, or exposed metal deck. A reverberant room makes speech sound muddy and makes the background noise louder. Soft, sound absorbing materials are needed to control reverberation, and they should be...
Are Your Video Conference Room Acoustics HD-Compatible?

Are Your Video Conference Room Acoustics HD-Compatible?

There are many market factors driving the growth of video conferencing, and manufacturers like Polycom and ClearOne have responded with better technology. These modern video conference systems offer bigger displays, higher resolution video, high definition audio quality, integration with mobile apps, and so on. However, if this advanced technology is installed in a poorly designed conference room, the results can be disappointing. A good conference room design and system installation takes into many factors, including lighting, background color and patterns, camera and video display locations, microphone and loudspeaker type and placement, background noise, and room acoustics. This post will focus on ways that the room design can enhance or reduce the audio quality of the system. A follow-up post will provide more detail on good room design principles to get the best audio quality possible out of any videoconferencing system. The advent of HD audio quality Traditional video and teleconferencing systems relied on telephone connections for communication, which inherently limited the audio quality. For example, landline phones are filtered to a narrow range of frequencies that are most important to speech intelligibility. As a result, voices can still be understood, but they don’t sound as natural as they would if you were in the same room with the person. Compare these two audio files to see if you can hear the difference in quality: unfiltered audio  audio with telephone filter As we move away from landlines to cell phones and VOIP systems, there are other ways that audio quality can be compromised. High quality digital audio requires a lot of data and causes network congestion. Phone systems try to...