Engineers at PCB have published an interesting article at audioxpress.com on how microphones are calibrated.
I can see this recent article as a contender for an Ig Nobel prize
Spanish researchers from Departamento de Física Aplicada, Escuela Politécnica, Universidad de Extremadura, measured the sound absorbing properties of cigarette butts. Given the enormous number of cigarette butts that get thrown away, which don’t decompose very well, it is great that someone tried to find a use for waste.
Researchers from the University of Stuttgart, Saarland University, and Max Planck Institute for Informatics have shown that it is possible to use a skull’s unique response to vibration for authentication. The researchers vibrated a skull with white noise and measured the response. They were able to correctly identify users 97% of the time.
See the full paper here.
You’ve probably thought that numerous pop songs sound similar to each other. An article on Public Radio International explains that is a fairly accurate deduction. The old-school way involved lyric and song writer sitting down together and composing a song. Now it is done in a production line and out-sourcing method.
Read the full article on pri.org.
Professor Yang-Hann Kim, from the Korea Advanced Institute of Science and Technology in Daejeon, has been awarded the 2015 Acoustical Society of America Rossing Prize in Acoustics Education.
The Rossing Prize is awarded to an individual who has made significant contributions toward furthering acoustics education through distinguished teaching, creation of educational materials, textbook writing and other activities. The Prize will be presented at the 170th meeting of the ASA on 4 November 2015 in Jacksonville, Florida.
The Altair company, which makes the software Hyperworks and formed the Altair Partner Alliance, announced that Brüel & Kjær, one of the oldest sound and vibration instrumentation companies, is bringing its noise, vibration and harshness (NVH) software, Insight+, to HyperWorks customers. The Insight+ software enables designers to listen to the sound a vehicle would make from a virtual design.
An article published in the Journal of Feline Medicine and Surgery by researchers from the University College London and Davies Veterinary Specialists describes a new condition called feline audiogenic reflex seizures (FARS) that seizures can occur in some elderly cats when they are exposed to certain sounds such as crinkling tin foil and striking a metal spoon on a ceramic feeding bowl.
Read the full article reported in The Telegraph.
The Federal Aviation Authority has started a helicopter noise complaint system in the Los Angeles county area called the Automated Complaint System (this sounds like a spambot!). The monitoring system uses the WebTrak site that Bruel and Kjaer bought a few years ago.
The WebTrak system combines GPS data from aircraft movements with noise levels from monitoring stations. Historical data of flight paths and noise levels can be inspected using a web browser.
The NFL team Atlanta Falcons were fined $350,000 for playing artificial crowd noise into the Georgia stadium.
Read the article on the NFL.com web site.