mirror of https://github.com/thesofproject/sof.git
116 lines
3.3 KiB
Matlab
116 lines
3.3 KiB
Matlab
function p = eq_defaults
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%%
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% Copyright (c) 2016, Intel Corporation
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% All rights reserved.
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%
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% Redistribution and use in source and binary forms, with or without
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% modification, are permitted provided that the following conditions are met:
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% * Redistributions of source code must retain the above copyright
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% notice, this list of conditions and the following disclaimer.
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% * Redistributions in binary form must reproduce the above copyright
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% notice, this list of conditions and the following disclaimer in the
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% documentation and/or other materials provided with the distribution.
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% * Neither the name of the Intel Corporation nor the
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% names of its contributors may be used to endorse or promote products
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% derived from this software without specific prior written permission.
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%
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% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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% POSSIBILITY OF SUCH DAMAGE.
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%
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% Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
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%
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% Misc
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p.plot_figs = 0;
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p.fn = 'configuration.txt';
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p.fs = 48e3;
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p.f_align = 997;
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p.db_align = 0;
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p.logsmooth_plot = 1/3; % Smooth over 1/3 octaves
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p.logsmooth_eq = 1/3; % Smooth over 1/3 octaves
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p.np_fine = 5000; % 5000 point design grid
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% Parametric EQ IDs
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p.PEQ_HP1 = 1; p.PEQ_HP2 = 2; p.PEQ_LP1 = 3; p.PEQ_LP2 = 4;
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p.PEQ_LS1 = 5; p.PEQ_LS2 = 6; p.PEQ_HS1 = 7; p.PEQ_HS2 = 8;
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p.PEQ_PN2 = 9; p.PEQ_LP4 = 10; p.PEQ_HP4 = 11; p.PEQ_LP2G = 12;
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p.PEQ_HP2G = 13; p.PEQ_BP2 = 14; p.PEQ_NC2 = 15; p.PEQ_LS2G = 16;
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p.PEQ_HS2G = 17;
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% FIR constraints
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p.fmin_fir = 200; %
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p.fmax_fir = 15e3; %
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p.amax_fir = 20;
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p.amin_fir = -20;
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p.fir_beta = 8;
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p.fir_length = 63;
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p.fir_minph = 0; % 0 = linear phase, 1 = minimum phase
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% Adjust fmin_fir, fmax_fir automatically for least gain loss in FIR
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p.fir_autoband = 1;
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p.enable_fir = 0;
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% IIR conf
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p.iir_biquads_max = 8;
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p.enable_iir = 0;
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% Initialize other fields those are computed later to allow use of struct
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% arrays
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p.raw_f = [10 100e3];
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p.raw_m_db = [0 0];
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p.raw_gd_s = [];
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p.f = [];
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p.m_db = [];
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p.gd_s = [];
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p.num_responses = 0;
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p.m_db_s = [];
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p.gd_s_s = [];
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p.logsmooth_noct = 0;
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p.t_z = [];
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p.t_p = [];
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p.t_k = [];
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p.t_db = [];
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p.m_db_abs = 0;
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p.m_db_offs = 0;
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p.raw_m_noalign_db = [];
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p.err_db = [];
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p.p_z = [];
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p.p_p = [];
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p.p_k = [];
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p.iir_eq_db = [];
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p.iir_eq_ph = [];
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p.iir_eq_gd = [];
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p.err2_db = [];
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p.t_fir_db = [];
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p.b_fir = [];
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p.fir_eq_db = [];
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p.fir_eq_ph = [];
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p.fir_eq_gd = [];
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p.tot_eq_db = [];
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p.tot_eq_gd = [];
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p.m_eqd = [];
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p.gd_eqd = [];
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p.m_eq_loss = 0;
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p.m_eqd_abs = 0;
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p.sim_m_db = [];
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p.parametric_target_response = [];
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p.target_f = [10 100e3];
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p.target_m_db = [0 0];
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p.fir_compensate_iir = 1;
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p.p_fmin = 10;
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p.p_fmax = 30e3;
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p.name = '';
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p.norm_type = 'loudness'; % loudness/peak/1k
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p.norm_offs_db = 0;
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end
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