1 files changed, 35 insertions, 0 deletions
diff --git a/src/os.h b/src/os.h
new file mode 100644
index 0000000..261f664
--- /dev/null
+++ b/src/os.h
@@ -0,0 +1,35 @@
+/* Generate using fir1(47,1/2) in Octave */
+
+static const float fdmdv_os_filter[] = {
+    -0.0008215855034550382, -0.0007833023901802921, 0.001075563790768233,
+    0.001199092367787555,   -0.001765309502928316,  -0.002055372115328064,
+    0.002986877604154257,   0.003462567920638414,   -0.004856570111126334,
+    -0.005563143845031497,  0.007533613299748122,   0.008563932468880897,
+    -0.01126857129039911,   -0.01280782411693687,   0.01651443896361847,
+    0.01894875110322284,    -0.02421604439474981,   -0.02845107338464062,
+    0.03672973563400258,    0.04542046150312214,    -0.06189165826716491,
+    -0.08721876380763803,   0.1496157094199961,     0.4497962274137046,
+    0.4497962274137046,     0.1496157094199961,     -0.08721876380763803,
+    -0.0618916582671649,    0.04542046150312216,    0.03672973563400257,
+    -0.02845107338464062,   -0.02421604439474984,   0.01894875110322284,
+    0.01651443896361848,    -0.01280782411693687,   -0.0112685712903991,
+    0.008563932468880899,   0.007533613299748123,   -0.005563143845031501,
+    -0.004856570111126346,  0.003462567920638419,   0.002986877604154259,
+    -0.002055372115328063,  -0.001765309502928318,  0.001199092367787557,
+    0.001075563790768233,   -0.0007833023901802925, -0.0008215855034550383};
+
+/* Generate using fir1(47,1/6) in Octave */
+
+static const float fdmdv_os_filter48[] = {
+    -3.55606818e-04, -8.98615286e-04, -1.40119781e-03, -1.71713852e-03,
+    -1.56471179e-03, -6.28128960e-04, 1.24522223e-03,  3.83138676e-03,
+    6.41309478e-03,  7.85893186e-03,  6.93514929e-03,  2.79361991e-03,
+    -4.51051400e-03, -1.36671853e-02, -2.21034939e-02, -2.64084653e-02,
+    -2.31425052e-02, -9.84218694e-03, 1.40648474e-02,  4.67316298e-02,
+    8.39615986e-02,  1.19925275e-01,  1.48381174e-01,  1.64097819e-01,
+    1.64097819e-01,  1.48381174e-01,  1.19925275e-01,  8.39615986e-02,
+    4.67316298e-02,  1.40648474e-02,  -9.84218694e-03, -2.31425052e-02,
+    -2.64084653e-02, -2.21034939e-02, -1.36671853e-02, -4.51051400e-03,
+    2.79361991e-03,  6.93514929e-03,  7.85893186e-03,  6.41309478e-03,
+    3.83138676e-03,  1.24522223e-03,  -6.28128960e-04, -1.56471179e-03,
+    -1.71713852e-03, -1.40119781e-03, -8.98615286e-04, -3.55606818e-04};