What are the most important types of filters for speakers and audio? Butterworth produces the flattest frequency response possible. Tchebychev pro...
What are the most important types of filters for speakers and audio?
Butterworth produces the flattest frequency response possible.
Tchebychev produces the sharpest cutoff of all, despite having a peak response near the cutoff frequency.
Bessel does not decay as fast as the others, but produces the smallest phase errors of all.
Linkwitz-Riley has a flat response and ensures that the reproduction of both drivers is always in phase.
a) Only the first statement is correct.
b) The first and second statements are correct.
c) The first, third, and fourth statements are correct.
d) All statements are correct.
Butterworth produces the flattest frequency response possible.
Tchebychev produces the sharpest cutoff of all, despite having a peak response near the cutoff frequency.
Bessel does not decay as fast as the others, but produces the smallest phase errors of all.
Linkwitz-Riley has a flat response and ensures that the reproduction of both drivers is always in phase.
a) Only the first statement is correct.
b) The first and second statements are correct.
c) The first, third, and fourth statements are correct.
d) All statements are correct.
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Ed 
A alternativa correta é a letra B) A primeira e a segunda afirmações estão corretas. O filtro Butterworth produz a resposta de frequência mais plana possível, enquanto o filtro Tchebychev produz o corte mais acentuado de todos, apesar de ter uma resposta de pico perto da frequência de corte.
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