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Research on Frequency Response Range and Harmonic beats solo Distortion of Headphones

What is the frequency response range of the headset?

Frequency response : frequency corresponding to the sensitivity value is the frequency response, drawn into the image is the frequency response curve, human hearing can reach the range of about 20Hz-20000Hz, the current mature headset process has reached this Claim. Frequency response range refers to the width of beats by dr dre the earphone can be sent out of the frequency, excellent headphone frequency response width of up to 5Hz-40000Hz, while the human ear hearing range only 20Hz-20000Hz. It is worth Cheap Beats By Dr Dre noting that the criteria for defining the frequency response width are different, for example, at a Beats By Dre Sale standard of less than 1/2 of the average output amplitude or less than 1/4. This is obviously not the same. The average manufacturer is an output amplitude reduction of 1/2 as the standard measured frequency response width, which means that -3dB as the standard, but because of the different test standards used, some products are measured at -10dB. This is actually equal to less than the normal value of 1/16 under standard measurements. So the frequency of the wide width of the widening. Users in the purchase, should pay attention to different brands of headphones frequency response width may have no test standards.

What is the distortion of the headset?

The output of the device can not completely reproduce its input, resulting in distortion of the waveform or signal components of the increase or decrease. Harmonic distortion is a waveform distortion, marked in the headset indicators, the smaller the distortion, the better the sound quality.