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Events, Trade Shows & Webinars  
Learn the basics or refine your skills with our webinars and workshops. We cover best practices for characterizing various devices, look at common mistakes to avoid, and give practical advice on  
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…  
More about ranging  
… to accommodate the input signal level. In Audio Precision instruments, the ranging choices are shown in a dialog that allows you to select the maximum level you expect. For the APx585 and 586, six ranges…  
Comparing 2700 with PSIA to APx with Digital Serial Option  
… brought the two systems to parity, with the DSIO now surpassing the PSIA in several key areas, as shown in the document linked below. For example, the DSIO supports independent master clocks, allowing for…  
Quick Tip 124 - The Status Bar  
… information about the current analyzer configuration. In analog configurations, the status bar shows details such as the output connector, channel count, source impedance, and EQ. It also includes input…  
Audio Precision Adds STI Measurement Capability to APx500 Software  
… a single measurement is made, with total measurement time taking ~10-20 seconds. The STIPA method shows excellent correlation with the “Full STI,” the most comprehensive measurement method covered by the…  
Quick Tip 220 - Introduction to APx500 Flex  
… YouTube Channel Video Description: In this brief video, Eric Schultheis introduces APx500 Flex, showcasing how it enables budget-friendly audio testing for speakers, microphones, wired headphones, and…  
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.  
Loudspeaker Acoustic Measurements in Ordinary Rooms  
The Acoustic Response measurement in the APx500 software provides a solution for measuring a loudspeaker's frequency response without an anechoic chamber.   
The “Big Six” Audio Measurements – Part II  
The measurements of “The Big Six” include phase, crosstalk, and the signal-to-noise ratio. What are they and why are they important?  
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