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Import .wav File Message: "Error in RIFF file header."

… or ATS control software using the Import > WAV File command, the following error message may be shown: This indicates that there was a problem reading information from the file header. This can usually…

Signal Generator Regulation in APx500 Audio Analyzers – Part 1: Auto-S

Auto-Set Gen Level feature - One of the main regulation tools in the APx500 software

THD and THD+N – Similar, but not the same

THD and THD+N. They are closely related, but there’s an important difference between them that is often overlooked.

Measuring Equivalent Continuous Sound Level with APx Audio Analyzers

In this post, we answer a common question: How can I measure the equivalent continuous sound level Leq,T and the A-weighted equivalent continuous sound level LAeq,T with my APx500 audio analyzer?

AP Applied: APx Automation with LabVIEW

… or automated production environment. Examples using the APx LabVIEW virtual instrument driver are shown.

Quick Tip 101 - Zooming

… get a closer look at your APx graphs? In this Quick Tip Video, Eric Schultheis from Audio Precision shows you how to zoom in using the mouse scroll, axis controls, and zoom tool in AP software. These…

Visit AP in 2020!

…We will be exhibiting at several tradeshows throughout the year, and our partners around the globe will be showcasing our products.

Samsung Contract Manufacturer Young Bo Tools Up New Bluetooth Production Line with Multiple Audio Precision APx520 Audio Analyzers

… from the LabVIEW application using its API, Young Bo purchased multiple APx520s. “Young Bo showed great foresight recognizing that an investment in capital test equipment must be able to pay off many…

Using Bode Plots in APx

… APx500 software make Bode plots? A: A Bode plot is a graph of the transfer function of a system showing the magnitude and phase plotted on a logarithmic frequency axis. In a Bode plot, usually the phase is…

Increasing Test Speed

… to sweep from 20 Hz to 40 Hz equals the time to sweep from 10 kHz to 20 kHz Farina showed that a deconvolution of the input and output signals yields time separated impulses of the linear and…