mirror of https://github.com/thesofproject/sof.git
45 lines
931 B
Matlab
45 lines
931 B
Matlab
% bf = bf_array_lshape(bf)
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%
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% Inputs
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% bf.mic_nxy ... vector of two with number of microphones along x and y
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% bf.mic_rxy ... vector of two with distance along x and y [m]
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%
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% Outputs
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% bf.mic_x ... x coordinates [m]
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% bf.mic_y ... y coordinates [m]
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% bf.mic_z ... z coordinates [m]
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% SPDX-License-Identifier: BSD-3-Clause
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%
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% Copyright (c) 2020, Intel Corporation. All rights reserved.
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%
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% Author: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
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function bf = bf_array_lshape(bf)
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bf.mic_x = [];
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bf.mic_y = [];
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bf.mic_n = sum(bf.mic_nxy) -1;
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bf.mic_z = zeros(1, bf.mic_n);
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n = 1;
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for x = 0:(bf.mic_nxy(1) -1)
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bf.mic_x(n) = 0;
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bf.mic_y(n) = -x * bf.mic_dxy(1);
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n = n + 1;
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end
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for y = 1:(bf.mic_nxy(2) -1)
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bf.mic_x(n) = -y * bf.mic_dxy(2);
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bf.mic_y(n) = 0;
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n = n + 1;
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end
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bf.mic_x = bf.mic_x - mean(bf.mic_x);
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bf.mic_y = bf.mic_y - mean(bf.mic_y);
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bf.mic_z = bf.mic_z - mean(bf.mic_z);
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bf.mic_d = max(bf.mic_dxy);
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end
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