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 ...

Prism Sound’s Test & Measurement division has re-launched itself specializing exclusively in audio test & measurement solutions and trading under the new name of Spectral Measurement. The move follows ...

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

Researchers at the National Institute of Standards and Technology (NIST) and industry collaborators have developed improved methods for accurately measuring very faint thermal "noise"--caused by ...

This file type includes high-resolution graphics and schematics when applicable. 1. Quiet Riot discussing LDO noise in 1983… ouch. (Courtesy of Ultimate Classic Rock) With all due respect to ...

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 ...