mirror of https://github.com/thesofproject/sof.git
32 lines
844 B
Mathematica
32 lines
844 B
Mathematica
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function crossover_quant = crossover_coef_quant(lowpass, highpass);
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bits_iir = 32; % Q2.30
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qf_iir = 30;
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addpath ./../eq
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if length(lowpass) != length(highpass)
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error("length of lowpass and highpass array do not match");
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end
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n = length(lowpass);
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crossover_quant.lp_coef = cell(1,n);
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crossover_quant.hp_coef = cell(1,n);
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for i = 1:n
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lp = lowpass(i);
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hp = highpass(i);
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lp_a = eq_coef_quant(-lp.a(3:-1:2), bits_iir, qf_iir);
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lp_b = eq_coef_quant(lp.b(3:-1:1), bits_iir, qf_iir);
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hp_a = eq_coef_quant(-hp.a(3:-1:2), bits_iir, qf_iir);
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hp_b = eq_coef_quant(hp.b(3:-1:1), bits_iir, qf_iir);
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crossover_quant.lp_coef(i) = [lp_a lp_b 0 16384];
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crossover_quant.hp_coef(i) = [hp_a hp_b 0 16384];
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end
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crossover_quant.lp_coef = cell2mat(crossover_quant.lp_coef);
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crossover_quant.hp_coef = cell2mat(crossover_quant.hp_coef);
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rmpath ./../eq
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end
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