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Why Sine Waves and Why Are They Important?  
Type:  page Date:  Sep 24, 2025
…Why are almost all audio measurements made using a sine wave as the…
Multiple Simultaneous Input Types  
Type:  page Date:  Sep 24, 2025
… a capability added to the APx500 audio measurement software…
ABC-MRT Software Option Data Sheet  
Type:  file Date:  May 09, 2024
…Two page datasheet describing an APx software option for the…
Technote 126: Jitter Testing of PDM Devices  
Type:  file Date:  May 02, 2025
… an Audio Precision APx analyzer with the APX-PDM…
More about PDM  
Type:  news Date:  Apr 14, 2016
… typically employed. In APx, an Overload indicator (shown…
New AP Interface Allows Multichannel, Chip-Level Analysis  
Type:  news Date:  Apr 14, 2016
… 15:48:00 Summary: APx Digital Serial I/O Option…
New Feature in APx500 v5.0.1: Fixed Analog Output Range  
Type:  page Date:  Sep 24, 2025
…Using APx500 software version 5.0.1, users can configure the analog…
More about THD+N and THD  
Type:  news Date:  Apr 14, 2016
… for audio signals. In the APx500 meter (single value) THD+N…
APx500 Polar Plot Utility  
Type:  file Date:  Mar 05, 2026
…The APx Polar Plot Utility is a Windows application for making polar…
DAC Testing with APx500 Software  
Type:  page Date:  Sep 24, 2025
…Utilizing APx500 software, learn how to evaluate the performance of…
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