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TAS5805M: EQ algorithm for high and low shelf

Part Number: TAS5805M
Other Parts Discussed in Thread: TAS5805

你能提供如下算法吗,关于TAS5805的high and low shelf转换函数,谢谢。

//低架 传递函数
//alpha = sin(ω0)/2 * sqrt( (A + 1/A)*(1/S - 1)+ 2 )
//
//a0 = (A+1) + (A-1)*cos(ω0) + 2*sqrt(A)*alpha
//a1 = -2*( (A-1) + (A+1)*cos(ω0) )
//a2 = (A+1) + (A-1)*cos(ω0) - 2*sqrt(A)*alpha
//b0 = A*( (A+1) - (A-1)*cos(ω0) +2*sqrt(A)*alpha ) * gainLinear
//b1 = 2*A*( (A-1) - (A+1)*cos(ω0) ) * gainLinear
//b2 = A*( (A+1) - (A-1)*cos(ω0) - 2*sqrt(A)*alpha ) * gainLinear