Serving the Acoustics Community Since 1994
Cross-Spectrum Acoustics Inc. offers Sound & Vibration Consulting Services
Inter-Noise 2006 presentation: Paper (PDF) | Discussion
Bose QC-1 headphone noise reduction measurements
ASA/Noise-Con 2005 presentation: Paper | Slides (PDF)
B&K 1/2-inch mic. adapters for GenRad 1986/1987 calibrators for sale
Microphone Measurement Services
Octave-Band center frequency values derivation
My perceptual coding experience
Dan Wiggins on Design Goals
A/C frequency-weighting derivations
May 26, 2008
Wikileaks has posted the manual for BBN Technologies’ Boomerang II sniper-locating system. The device consists of a three-dimensional seven-microphone array connected to a DSP that is mounted on a HMMWV (Humvee). Upon detection of a gunshot, the system calculates the direction of the shooter and presents this information to the HMMWV crew using audible and visual indicators.
[from Reddit]