7/7/2023 0 Comments Gnu octave smoothPitch is perceived as changing with the ratio of frequencies, not by linear increase in cycles per second. As audio signals, however, the first pair would be perceived as significantly different tones to a listener, while the last pair would be virtually indistinguishable. Mathematically, a pair of sine waves at 80 and 80+10 cycles per second, or at 80+10 cycles per second, are equally distinguishable. This article discusses a way to configure a general-purpose xDAP measurement system for this purpose - discovering higher levels of performance, lower cost, and new opportunities for measurement system automation. ![]() When Agilent chose to retire the classic HP 3582A audio spectrum analyzer, high-quality audio spectrum analysis suddenly became a lot harder. ![]() 1/3 Octave Analysis by FFT Versatile FFT SupportsĪccurate 1/3 Octave Analysis Technical Note TN-257 Version 1.0įor highly-precise 1/3 octave analysis of audio signals
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