graphiceqcoeff.h

教程《DSP 原理及其 C 编程开发技术》中的源代码

//GraphicEQcoeff.h Filter coefficients for Graphic Equalizer obtained with Matlab fir1() 

float lpcoeff[] = { 7.8090987e-004,  5.5772256e-004, -2.9099535e-004,
-1.0680710e-003, -8.9417753e-004,  4.4134422e-004,  1.8660902e-003,
1.6586856e-003, -7.0756083e-004, -3.2950637e-003, -2.9970618e-003,
1.0674784e-003,  5.5037549e-003,  5.1029563e-003, -1.4905208e-003,
-8.7103609e-003, -8.2694434e-003,  1.9403706e-003,  1.3299499e-002,
1.3018139e-002, -2.3781611e-003, -2.0079912e-002, -2.0467002e-002,
2.7659079e-003,  3.1120688e-002,  3.3649522e-002, -3.0698723e-003,
-5.3589440e-002, -6.4772988e-002,  3.2635553e-003,  1.3809973e-001,
2.7310671e-001,  3.2967515e-001,  2.7310671e-001,  1.3809973e-001,
3.2635553e-003, -6.4772988e-002, -5.3589440e-002, -3.0698723e-003,
3.3649522e-002,  3.1120688e-002,  2.7659079e-003, -2.0467002e-002,
-2.0079912e-002, -2.3781611e-003,  1.3018139e-002,  1.3299499e-002,
1.9403706e-003, -8.2694434e-003, -8.7103609e-003, -1.4905208e-003,
5.1029563e-003,  5.5037549e-003,  1.0674784e-003, -2.9970618e-003,
-3.2950637e-003, -7.0756083e-004,  1.6586856e-003,  1.8660902e-003,
4.4134422e-004, -8.9417753e-004, -1.0680710e-003, -2.9099535e-004,
5.5772256e-004,  7.8090987e-004 };

float bpcoeff[] = { -1.0740274e-003,  2.7910515e-004, -2.6262359e-004,
6.0234498e-004,  2.1987775e-003, -1.2895387e-003, -2.7954474e-003,
6.8734556e-004, -6.6338736e-004,  1.4571032e-003,  7.1033754e-003,
-3.1523737e-003, -8.9090924e-003,  1.6470428e-003, -1.4383367e-003,
2.8105100e-003,  1.8819817e-002, -5.7758163e-003, -2.3101173e-002,
2.9409437e-003, -2.3416627e-003,  4.1322990e-003,  4.4546556e-002,
-8.2767312e-003, -5.7646558e-002,  4.1799488e-003, -3.0590719e-003,
4.9333674e-003,  1.3424490e-001, -9.7916543e-003, -2.7127645e-001,
4.9406664e-003,  3.2981693e-001,  4.9406664e-003, -2.7127645e-001,
-9.7916543e-003,  1.3424490e-001,  4.9333674e-003, -3.0590719e-003,
4.1799488e-003, -5.7646558e-002, -8.2767312e-003,  4.4546556e-002,
4.1322990e-003, -2.3416627e-003,  2.9409437e-003, -2.3101173e-002,
-5.7758163e-003,  1.8819817e-002,  2.8105100e-003, -1.4383367e-003,
1.6470428e-003, -8.9090924e-003, -3.1523737e-003,  7.1033754e-003,
1.4571032e-003, -6.6338736e-004,  6.8734556e-004, -2.7954474e-003,
-1.2895387e-003,  2.1987775e-003,  6.0234498e-004, -2.6262359e-004,
2.7910515e-004, -1.0740274e-003 };

float hpcoeff[] = { 2.9251723e-004, -8.3631146e-004,  5.5324390e-004,
4.6576424e-004, -1.3030373e-003,  8.4723869e-004,  9.2771594e-004,
-2.3446248e-003,  1.3700139e-003,  1.8377162e-003, -4.1013166e-003,
2.0825534e-003,  3.3998966e-003, -6.7460946e-003,  2.9268523e-003,
5.8982643e-003, -1.0537290e-002,  3.8311475e-003,  9.7871064e-003,
-1.5950261e-002,  4.7165823e-003,  1.5941836e-002, -2.4049009e-002,
5.5046570e-003,  2.6488538e-002, -3.7809758e-002,  6.1247271e-003,
4.8635148e-002, -6.9381330e-002,  6.5208000e-003,  1.3299709e-001,
-2.7791356e-001,  3.3950443e-001, -2.7791356e-001,  1.3299709e-001,
6.5208000e-003, -6.9381330e-002,  4.8635148e-002,  6.1247271e-003,
-3.7809758e-002,  2.6488538e-002,  5.5046570e-003, -2.4049009e-002,
1.5941836e-002,  4.7165823e-003, -1.5950261e-002,  9.7871064e-003,
3.8311475e-003, -1.0537290e-002,  5.8982643e-003,  2.9268523e-003,
-6.7460946e-003,  3.3998966e-003,  2.0825534e-003, -4.1013166e-003,
1.8377162e-003,  1.3700139e-003, -2.3446248e-003,  9.2771594e-004,
8.4723869e-004, -1.3030373e-003,  4.6576424e-004,  5.5324390e-004,
-8.3631146e-004,  2.9251723e-004 };