From 191a0512700d3f4da01707efb8264cda90691bfe Mon Sep 17 00:00:00 2001 From: sorgelig Date: Thu, 18 Jun 2020 20:59:16 +0800 Subject: [PATCH] Add audio filter samples. --- LPF20000.txt | 27 +++++++++++++++++++++++++++ LPF2000_2tap.txt | 27 +++++++++++++++++++++++++++ LPF2000_3tap.txt | 27 +++++++++++++++++++++++++++ 3 files changed, 81 insertions(+) create mode 100644 LPF20000.txt create mode 100644 LPF2000_2tap.txt create mode 100644 LPF2000_3tap.txt diff --git a/LPF20000.txt b/LPF20000.txt new file mode 100644 index 0000000..713a8c1 --- /dev/null +++ b/LPF20000.txt @@ -0,0 +1,27 @@ +# version +v1 + +# sampling frequency +# must be multiple of 48000 for best results +7056000 + +#base gain +0.00000774701983513660 + +#gain scale for X0 +3 + +#gain scale for X1 +3 + +#gain scale for X2 +1 + +#coefficient for Y0 +-2.96438150626551080000 + +#coefficient for Y1 +2.92939452735121100000 + +#coefficient for Y2 +-0.96500747158831091000 diff --git a/LPF2000_2tap.txt b/LPF2000_2tap.txt new file mode 100644 index 0000000..f71bd69 --- /dev/null +++ b/LPF2000_2tap.txt @@ -0,0 +1,27 @@ +# version +v1 + +# sampling frequency +# must be multiple of 48000 for best results +7056000 + +#base gain +0.00000316778645516‬ + +#gain scale for X0 +2 + +#gain scale for X1 +1 + +#gain scale for X2 +0 + +#coefficient for Y0 +-1.9974813602 + +#coefficient for Y1 +0.9974845280 + +#coefficient for Y2 +0 diff --git a/LPF2000_3tap.txt b/LPF2000_3tap.txt new file mode 100644 index 0000000..befb346 --- /dev/null +++ b/LPF2000_3tap.txt @@ -0,0 +1,27 @@ +# version +v1 + +# sampling frequency +# must be multiple of 48000 for best results +1764000 + +#base gain +0.00000035895956448‬ + +#gain scale for X0 +3 + +#gain scale for X1 +3 + +#gain scale for X2 +1 + +#coefficient for Y0 +-2.9857524444 + +#coefficient for Y1 +2.9716062045 + +#coefficient for Y2 +-0.9858534011