mirror of https://github.com/thesofproject/sof.git
39 lines
884 B
Matlab
39 lines
884 B
Matlab
% bf = bf_array_rect(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_rect(bf)
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bf.mic_x = [];
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bf.mic_y = [];
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bf.mic_n = prod(bf.mic_nxy);
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bf.mic_z = zeros(1, bf.mic_n);
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for y = 1:bf.mic_nxy(2)
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for x = 1:bf.mic_nxy(1)
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n = x + bf.mic_nxy(1) * (y - 1);
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bf.mic_y(n) = -x * bf.mic_dxy(1);
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bf.mic_x(n) = y * bf.mic_dxy(2);
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end
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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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