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129 results:
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…  
APx J-Test (Jitter) Measurement Utility  
… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...  
Headphone Testing Tips  
As in loudspeaker testing, the measurement of headphones and earbuds involves driving an acoustic transducer, acquiring the result with a microphone and analyzing the signal. Learn three important  
APx J-Test (Jitter) Measurement Utility  
… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...  
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.   
Settling, Part 1 – Sequence 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.  
APx J-Test (Jitter) Measurement Utility  
… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...  
APx J-Test (Jitter) Measurement Utility  
… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...  
APx J-Test (Jitter) Measurement Utility  
… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...  
APx J-Test (Jitter) Measurement Utility  
… using a special J-test stimulus signal and analyzing the analog output spectrum. Displays graphs showing the FFT spectrum, the jitter spectral density, and the integrated jitter, in...  
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