Unless you add a measurement instrument to your computer, you have only the sound card as an analog I/O port. You can use the sound card to digitize AC analog voltages but only within a limited range.

This file type includes high-resolution graphics and schematics when applicable. The biggest problem with precision noise measurement is that the noise floor you’re trying to evaluate is frequently ...

Noise pollution or disruptive noise has a negative effect on human health, such as causing stress. It is difficult to get a grip on due to the many sources in our environment. And determining health ...

Why You Can’t Just Use a Spectrum Analyzer Industry has an increasing demand for spectrally pure signals in applications such as imaging radar, mobile communications, satellite communications, weather ...

When specifying cooling equipment, engineers are faced with myriad decisions affecting performance and layout. One critical consideration is the noise emitted. As population density rises in major ...

Contractors might not often think of it, but they need to be aware of and incorporating hearing safety into their jobsites. We all know construction sites are loud environments with all the tools and ...

Ex-movie theater projectionist Steve Guttenberg has also worked as a high-end audio salesman, and as a record producer. Steve reviewed audio products for CNET and worked as a freelance writer for ...

New research reveals how office sound impacts focus and collaboration. Brian Ledder, Senior Design Strategist, HLW offers ...