by ABD Engineering and Design | Noise and Vibration
On a recent trip to Chicago, my wife and I were thankful for all the new traffic lanes recently completed. I can remember when the trip back home to my folks took an extra couple of hours if I got stuck in all the traffic. But thankfully, with the new highway...
by ABD Engineering and Design | Noise and Vibration
Who Can See the Wind? Who can see the wind? Neither you nor I But when the leaves are trembling The wind is passing by! Who can see the wind? Neither I nor you But when the trees are bending low The wind is passing through! by Christina Georgina Rossetti As this...
by ABD Engineering and Design | Noise and Vibration
For today’s topic, let’s think of driving our car with the wind rushing by, when all of a sudden our attention is drawn by that annoying squeak coming from the dashboard. The changing of the squeak with time was the topic of a recent blog, but this time we’ll examine...
by ABD Engineering and Design | Audiovisual
From mega-churches to small town congregations, the video-venue concept is becoming a staple of church growth. For those not "in the know", a "video-venue" is a church meeting where parts of the service (typically the sermon or message) are piped in via video signal...
by ABD Engineering and Design | Acoustics
While I was at the doctor's office the other day, I was allowed to listen to a conversation between a doctor and another patient. Was I in the room with them? I didn't have to be. The sound isolation between exam rooms was so poor that I could hear virtually...
