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Open Source, hardware and software, 3D-printed planar magnetic headphones powered by a Raspberry Pico (github.com)

submitted 1 year ago* (last edited 1 year ago) by MazonnaCara89@lemmy.ml to c/opensource@lemmy.ml

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[-] priapus@sh.itjust.works 2 points 1 year ago

Good to know that it's not to hard to recreate the EQ. I'm already using EasyEffects convolver effect for my current headphones. I was planning to give the included DAC/AMP a try, but I'd definitely prefer to use my own Schiit stack in the long run. Are you able to share the PEQ you are using?

[-] avidamoeba@lemmy.ca 1 points 1 year ago* (last edited 1 year ago)

You can scoop em up straight from the source:

...
        .f1  = { PEAKING,    {0},    38.5, -21.0,  1.4  },
        .f2  = { PEAKING,    {0},    60,    -6.7,  0.5  },
        .f3  = { LOWSHELF,   {0},    105,    5.5,  0.71 },
        .f4  = { PEAKING,    {0},    280,   -3.5,  1.1  },
        .f5  = { PEAKING,    {0},    350,   -1.6,  6.0  },
        .f6  = { PEAKING,    {0},    425,    7.8,  1.3  },
        .f7  = { PEAKING,    {0},    500,   -2.0,  7.0  },
        .f8  = { PEAKING,    {0},    690,   -5.5,  3.0  },
        .f9  = { PEAKING,    {0},   1000,   -2.2,  5.0  },
        .f10 = { PEAKING,    {0},   1530,   -4.0,  2.5  },
        .f11 = { PEAKING,    {0},   2250,    6.0,  2.0  },
        .f12 = { PEAKING,    {0},   3430,  -12.2,  2.0  },
        .f13 = { PEAKING,    {0},   4800,    4.0,  2.0  },
        .f14 = { PEAKING,    {0},   6200,  -15.0,  3.0  },
        .f15 = { HIGHSHELF,  {0},  12000,   -6.0,  0.71 }
...

https://github.com/ploopyco/headphones/blob/1e6896f918383854ec5a74e860dd7ed58671cae5/firmware/code/configuration_manager.c#L55