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import numpy as np | |
import scipy | |
l = 0.09218/2 # dist b.w. 2 sides of hexagon | |
f_s_orig = 16000 # sampling frequency | |
c = scipy.constants.speed_of_sound # speed of sound | |
user = "2" | |
setting = "2" | |
file_path = f"./data/user{user}_setting{setting}/*.csv" | |
mic_locs_1 = np.array([ | |
[0.5, 0.5], | |
[0 , 3], | |
[1.5, 0.5], | |
[1.5, 3.5], | |
[2, 1.5], | |
[0, 1.5], | |
[3, 3], | |
[3.5, 0]]) | |
mic_locs_2 = np.array([ | |
[0.5, 2], | |
[1.25 , 4.25], | |
[0, 3.5], | |
[2.75, 1.25], | |
[0, 0], | |
[1.5, 0.5], | |
[2, 3], | |
[1.5, 2]]) | |
mic_locs_3 = np.array([ | |
[3.5, 1.5], | |
[5.5 , 0], | |
[0.5, 3], | |
[1, 0], | |
[2, 2], | |
[0, 0], | |
[4.5, 3.5], | |
[4.5, 0]]) | |
mic_locs_4 = np.array([ | |
[0.5, 2.0], | |
[1.25, 4.25], | |
[0.0, 3.5], | |
[2.75, 1.25], | |
[0.0, 0.0], | |
[1.5, 0.5], | |
[2.0, 3.0], | |
[1.5, 2.0], | |
]) | |
mic_locs_5 = np.array([ | |
[0.5, 0.5], | |
[0, 3], | |
[1.5, 0.5], | |
[1.5, 3.5], | |
[2.0, 1.5], | |
[0.0, 1.5], | |
[3.0, 3.0], | |
[3.5, 0.0], | |
]) | |
mic_locs_6 = np.array([ | |
[0.0, 1.5], | |
[2.5, 4.5], | |
[0.0, 0.0], | |
[5.0, 0.0], | |
[2.5, 1.5], | |
[0.0, 3.0], | |
[2.5, 0.0], | |
[5.25, 2.5], | |
]) | |
mic_locs_all = np.array([mic_locs_1, mic_locs_2, mic_locs_3, mic_locs_4, mic_locs_5, mic_locs_6]) | |
mic_locs = mic_locs_all[int(setting) - 1] | |
actual_x, actual_y = (3,1) if setting == "1" else (4,1) | |
mic_angles = (60 * (1 - np.arange(6))) * np.pi / 180 | |
resample_factor = 4 | |
board_width = 6 | |
board_height = 4 | |
use_smoothing = False | |
smoothing_window_len = 41 | |
smoothing_order = 2 | |
aoa_step_angle = 1 | |
aoa_correlate_using_product = True | |
probs_flatten_using_product = False | |
step_x = 0.01 | |
step_y = 0.01 | |
f_s = f_s_orig * resample_factor | |
thresh = 0.9 |
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