microphone Archive
Video: How To Calibrate Microphones & Accelerometers
Posted on October 12, 2011 | No CommentsHere are two videos on a relatively simple, but sometimes misunderstood procedure – how to calibrate microphones & accelerometers
Comparison Between Sound Intensity Probes and Acoustic Cameras
Posted on March 15, 2010 | 4 CommentsSometimes we are asked about the differences between an acoustic camera and a sound intensity probe and which of the two is better for a particular application. There is no...
What is the difference between microphone types?
Posted on January 19, 2010 | No CommentsI’m often asked what is the difference between free field microphones, diffuse field microphones and pressure microphones. For a run-of-the-mill ½ inch microphone the short answer is nothing. However the...
Sound Steering
Posted on September 12, 2007 | No CommentsThe requirement was to develop a ‘standard’ test for assessing the sound quality of power steering pumps in vehicles. Measurements needed to be objective so that the method would be...
Made To Measure
Posted on June 6, 2006 | 4 CommentsIn this note the different types of transducers that can be used with the Prosig P8000 series data acquisition system are discussed. The article deals with the design and function...
Exhaust Development Using A Prosig P8000 System
Posted on February 20, 2006 | 2 CommentsThe following note describes an application of the Prosig P8000/DATS system in the refinement of an automotive exhaust muffler design for a major after-market exhaust manufacturer in Europe. The particular...
A Simple Noise Test
Posted on August 26, 2005 | 2 CommentsIn a recent article we described how the Prosig P8000 hardware and DATS software had been used to help Dalmeny Racing diagnose a problem with an exhaust bracket on their...
Understanding The Cross Correlation Function
Posted on June 6, 2001 | 3 CommentsTo illustrate the use of the cross correlation function, a source location example is shown below. For this it is assumed there is a noise source at some unknown position...
