Nikon have released another camera lens in their VR – vibration reduction series, the AF-S VR Zoom-Nikkor 24-120mm f/3.5-5.6G IF-ED lens. The active vibration control help reduce the blurring of images that frequently occurs when taking pictures in low light conditions.
Zebra fish can regrow the hair inside their ears
A professor at the Medical College of Georgia, is studying zebra fish that can regrow the hair inside their ears responsible for hearing. He is trying to find the genes responsible for that regrowth and see if they can be applied to human hearing problems.
Online structural health monitoring of bridges
Senera is a start-up company that provides structural health monitoring of bridges and tunnels using wireless transducers. Their concept is to continuously monitor the structures, with the goal of providing their customers with reduced maintenance costs, by not having to manually inspect the structures as frequently.
PCB offers 4-20mA accelerometers
A division of PCB, called IMI Sensors are now selling accelerometers, signal conditions, alarm sensors and more that provide 4-20mA signals. The signal conditioners convert ICP accelerometer signals into 4-20mA analogue signals, suitable for use with industrial process monitoring systems.
Read more on the IMI Sensors web site.
Expanding foam for noise abatement
Orbseal have released an expanding polyurethane foam that can be used to fill cavities, designed for automotive use. The foam can improve the rigidity of panels and improve the transmission loss of panels.
Read more on the SAE web site.
Article on London’s Millenium Bridge
There is a good article on the vibration problem that occured on London’s Millenium bridge and how it was solved, in the latest issue of International Journal of Acoustics and Vibration. (Vibration of the London Millenium Bridge: Cause and Cure, David Newland, IJAV, March, Vol 8, No. 1, 2003)
New echo cancelling microphone for teleconferencing
Global Media has released a new producted called ClearMic, which is an “acoustic echo cancellation device”, which can be used for video or tele- conferencing.
Read more on the Global Media web site.
Acoustic Magic’s new Voice Tracker array microphone
Acoustic Magic have a array microphone product that can be used for teleconferencing. The array microphone and associated DSP and software are used to locate someone talking, and electronically steers a “listening beam”, like an acoustic searchlight, in that direction.
Read more on the Acoustic Magic web site.
Andrea electronics sells its aircraft communications division
Andrea Electronics will sell its aircraft communication products division for $3.25m to a group of private investors. They have been looking for ways to fund their anti-noise and DSP microphone and audio software products divisions, said the president and CEO of the company, Christopher Sauvigne.
Read more on the Andrea Electronics web site.
LMS releases V2 of Virtual Lab
LMS has released version 2 of its Virtual Lab software suite. The software can be used to predict motion, durability, noise and vibration.
Read more on the LMS web site.