Discover the future of analysis—the density and sound velocity meter DMA 5001 Sound Velocity is the only device with a single setup to measure sulfuric acid concentration over the whole range. A ...

The PEAQ method is a full-reference objective measurement method which measures the perceptual quality of the audio signal from the device under test using two signals — the original audio ...

Research methods applied to the inspection of automotive parts for noise-producing causes are analyzed by the author, who notes the increasing tendency toward the use of sound-measuring instruments ...