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音频分频在线计算公式

音频分频是一种常见的音频信号处理技术,可以将音频信号分成不同的频段,以便对每个频段进行独立的处理或放大。在实际的音频系统设计中,通常需要使用一些滤波器来实现音频分频。

Speaker divider circuit calculator


First-order (6-dB/octave) two-way crossover

High-pass impedance: Ohm
Low pass impedance: Ohm
frequency Hz

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6dB Crossover Diagram    C1= μf




 L1= mH

The phase shift first order divider is 90 degrees

Second-order (12 dB/octave) two-way crossover

Linkwitz-Riley Butterworth Bessel

High-pass impedance: Ohm
Low pass impedance: Ohm
frequency Hz

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Linkwitz-Riley
Butterworth
Bessel
12dB Crossover Diagram    C1 = μf

 L1 = mH


 C2 = μf

 L2 = mH


Third-order (eighteen decibels / octave) two-way cross
High pass impedance: Ohm
Low pass impedance: Ohm
Frequency: Hz

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18dB Crossover Diagram     C1 = μf
  C2 = μf
  L1 = mH

  L2 = mH
  L3 = mH
  C3 = μf


Fourth-order (24 dB/octave) two-way crossover
High-pass impedance: Ohm
Low pass impedance: Ohm
Frequency: Hz

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24dB Crossover Diagram    C1 = μf
 C2 = μf
 L1 = mH
 L2 = mH

 C3 = μf
 C4 = μf
 L3 = mH
 L4 = mH


Zobel Sebel circuit (impedance stability)
DC Resistance (Re): Ohm
Equivalent inductance (Le): Henry

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Zobel Circuit Diagram     C1= μf


  R1= Ohm


L-type speaker horn attenuation circuit
Drive impedance = Ohm
Ideal attenuation = dB

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l-pad.gif (1013 bytes)     R1 = Ohm


  R2 = Ohm

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