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Measuring Slew Rate or Rise Time  
Type:  page Date:  Sep 24, 2025
For an overview of slew rate, specifically related to power amplifiers, this post discusses the mechanism of slew, and the basic measurement.
Perceptual Audio Test Options for APx500 Series Analyzers  
Type:  page Date:  May 07, 2026
… display to help pinpoint specific problems such as clipped words or dropouts. Additional results show average delay, delay vs. time, and the reference and the acquired waveforms. The PESQ/POLQA Average…
The Complete Mic Test Solution  
Type:  page Date:  Sep 24, 2025
TELEFUNKEN Leverages Audio Precision Technology for its New Microphone Testing Lab
Graph Formatting in AP2700 and ATS  
Type:  news Date:  Apr 14, 2016
… and border. Paste to a raster editor or direct to Word. Not recommended unless you are trying to show an example of the AP software panel rather than the actual data inside the graph. Once your preference…
Measuring Complex Impedance with AP2700 Series Instruments  
Type:  news Date:  Apr 14, 2016
… it. This makes the SYS-2722 ideal for making audio-frequency impedance measurements. This article shows how to make impedance measurements using SYS-2722, a test jig, and a supplied macro. The jig can be…
Testing RDS with APx  
Type:  news Date:  Apr 14, 2016
… card would be connected directly to an FM modulator/RF generator instead of the waveform recorder shown in Figure 2. Figure 2. Block diagram illustrating the process to create an RDS encoded…
Getting Started with LabVIEW for 2700 Series  
Type:  news Date:  Apr 14, 2016
… switch. It’s a good idea to finish with the Close VI wired with a final error indicator that will show success or failure for the entire VI. When your VI has been tested to your satisfaction, you can then…
Generating Signals with DC on ATS-2 Analyzers  
Type:  news Date:  Apr 14, 2016
… then normalized, so that the maximum absolute value is 1.0 units (1.0 FS in the digital domain), as shown in Figure 1. For ATS-2 audio analyzers, the maximum generator buffer length is 16,384 samples (about…
Audio Precision Introduces "Logic Analyzer" View for Digital Audio  
Type:  news Date:  Apr 14, 2016
… of APx500 v2.4 which Audio Precision staff are demonstrating on their stand (1503) at the AES show, Munich, from May 8-10, 2009. The full version of APx v2.4 is due to be released later this year. …
Setting Up and Making Acoustic Response Measurements with APx  
Type:  news Date:  Apr 14, 2016
… from the results. These are the energy time curve (ETC) and the impulse response (IR). Both show the sound pressure level at the microphone as a function of time. As can be seen, the initial arrival of…
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