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Retrieving FFT Data in AP2700 and ATS-2 Control Software  
… all FFT bins are returned for an 8k FFTlength at SR = 65536 Hz, the Sweep Panel should be set up as shown in Figure1b. With the sweep panel properly configured, once the sweep is completed, theFFT spectrum…  
I2S jitter measurement with the SYS-2722  
… digitalinput #1 of the analyzer. You can then use the Digital Interface Analyzer (intervu)program as shown in the accompanying test file example “jitter PSIA BCK to AES BNC.at27.” This test file will…  
APx585/586 600 Ohm Output Impedance  
… problems. You will need one adapter for each channel to be converted. The wiring diagram is shown in Figure 2. For balanced outputs, each of the two terminals of the balanced connection should have one…  
Settling, Part 2 – Bench Mode  
In this two-part series, we’ll review the features available in APx500 software to help ensure that settled readings are acquired when testing audio devices.  
Controlling APx500 Software with Python  
For engineers looking to develop API programs using recent versions of Python, this post will support users in developing those solutions.  
2700 Series Analog Performance  
… of the 2700 Series. THD+N Our conservatively spec’d system residual THD+N is less than –112 dB, as shown in the graph below. This represents an advantage of about 9 dB over converter-based analyzer systems.…  
Hearing Aid Test with APx500 Audio Analyzers  
Hearing aids are truly unique from an audio test perspective. Learn how to use APx500 Audio Analyzers to evaluate the performance of hearing aids.  
Making External Sweeps with Noisy Signals on the 2700 Series and ATS-2  
… is conducted. The sweep panel configurations we are using for theSYS-2722 and ATS-2 are shown in Figures 1 and 2 respectively. Figure 2 ATS-2 Sweep panel configuration. The sweep starts by…  
Why Are Chirps Always Swept from Low to High?  
If you look at any APx measurement using a log-swept sine stimulus (a chirp), you might notice that the signal is always swept from low to high frequency. Learn more about why chirps are always swept  
Distorted Receiver Speaker Outputs with APx585  
… analog balanced inputs of an APx585. When I generate a sine wave signal into the receiver, the APx shows a strangely distorted waveform with a level much lower than expected. What is wrong? Answer Most…  
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