print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" stft_noise_arr.shape = ", stft_noise_arr.shape)
print(" stft_mix_arr.shape = ", stft_mix_arr.shape)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
print(' (angle_inf_h, angle_inf_v) = ', angle_inf_h, angle_inf_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
source_position_inf = get_source_position(angle_inf_h,
angle_inf_v,
radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
d_arr_inf = propagation_vector_free_field(sensor_positions,
source_position_inf,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - NULL filter output
def main():
# #################################################################
# # 1.0 - LANDA PROFILE
# vert_mic_count = 1
# hor_mic_count = 8
# dHor = 0.05
# dVert = 0.05
# max_len_sec = 60
# n_fft = 512
# n_overlap = 2
#
# (angle_hor_log, angle_vert_log) = (16.0, 0.0)
# angle_h = -angle_hor_log
# angle_v = -angle_vert_log
#
# _mix_start = 17
# _mix_end = 40
#
# in_wav_path = r'./data/_landa/'
# out_wav_path = r'./data/out/'
# #################################################################
#################################################################
# 1.0 - _du_hast PROFILE
#vert_mic_count = 6
#hor_mic_count = 11
vert_mic_count = 1
hor_mic_count = 11
dHor = 0.035
dVert = 0.05
max_len_sec = 45
n_fft = 512
n_overlap = 2
(angle_hor_log, angle_vert_log) = (12.051, 5.88161)
angle_h = -angle_hor_log
angle_v = -angle_vert_log
_mix_start = 17
_mix_end = 40
in_wav_path = r'./data/_du_hast/'
out_wav_path = r'./data/out/'
#################################################################
#################################################################
# 1.0 - Read signal
x_all_arr, sr = read_mic_wav_from_folder(in_wav_path,
vert_mic_count,
hor_mic_count,
max_len_sec=max_len_sec)
x_all_arr = x_all_arr[:, (np.int32)(_mix_start * sr):(np.int32)(_mix_end *
sr)]
(n_channels, n_samples) = x_all_arr.shape
print("Array data read done!")
print(" n_channels = ", n_channels)
print(" n_samples = ", n_samples)
print(" freq = ", sr)
#################################################################
# 2 - Do STFT
stft_all = stft_arr(x_all_arr, fftsize=n_fft, overlap=n_overlap)
(n_bins, n_sensors, n_frames) = stft_all.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
#################################################################
# Reshape to (nframes, nfrequencies, nchannels)
M_spec = stft_all.transpose((2, 0, 1))
def callback_fn(X):
print(' invoke callback_fn')
# #(nfrequencies, nchannels, nchannels)
# W = np.array([np.eye(n_sensors, n_sensors) for f in range(n_bins)], dtype=M_spec.dtype)
# for i in range(n_bins):
# W[i, : , 0 ] = d_arr[:, i]/8.0
# Y = np.zeros((n_frames, n_bins, n_sensors), dtype=M_spec.dtype)
# def demix(Y, X, W):
# for f in range(n_bins):
# Y[:,f,:] = np.dot(X[:,f,:], np.conj(W[f,:,:]))
# demix(Y, M_spec, W)
# # IVA Demix
Y = pyroomacoustics.bss.auxiva(M_spec,
n_iter=20,
proj_back=True,
callback=callback_fn)
# Save result
for i in range(Y.shape[2]):
sig_out = istft(Y[:, :, i], overlap=n_overlap)
sf.write(r'out/iva_res_{}.wav'.format(i), sig_out, sr)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector and PSD matrix
print('Calc steering vector!')
# mus MicGridProcessor::SetDirectionAngles, angleFiHorz = 24.7455, angleFiVert = 18.2763
# sp MicGridProcessor::SetDirectionAngles, angleFiHorz = -30.9141, angleFiVert = 12.483
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_Hor=30.9,
angle_Vert=-12.48,
radius=6.0)
d_arr_1 = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
source_position = get_source_position(angle_Hor=-24.7,
angle_Vert=-18.27,
radius=6.0)
d_arr_2 = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
psd_1 = np.einsum('i...,j...->...ij', d_arr_1, d_arr_1.conj())
angle_step = 1
print("Begin steering calc ...")
arr_angle_h = range(-90, 90, angle_step)
angle_v = 0.0
arr_d_arr = np.zeros((len(arr_angle_h), n_sensors, n_bins),
dtype=np.complex)
print('arr_d_arr = ', arr_d_arr.shape)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(30, angle_v)
d_arr_inf = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
d_arr_inf_h_der = get_der_steering_2(sensor_positions, source_position,
512, 16000, 30, angle_v)
for i, angle_h in enumerate(arr_angle_h):
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v)
arr_d_arr[i, :, :] = propagation_vector_free_field(sensor_positions,
(n_bins, n_sensors, n_frames) = stft_all.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - Calc psd matrix
mask = np.load(
r'D:\REP\svn_MicArrAlgorithm2\MA_PY\out\result_sol\mask_ds.npy')
# bin x frames x mask
mask = np.transpose(mask, (1, 0, 2))
actual_mask = mask[:, 0:n_frames, 0]
stft_all_noise = copy.deepcopy(stft_all)
def run_once():
# #################################################################
# # 1.0 - _wav_wbn45_dict0 PROFILE
#
# vert_mic_count = 6
# hor_mic_count = 11
# dHor = 0.035
# dVert = 0.05
# max_len_sec = 45
# n_fft = 512
#
# (angle_hor_log, angle_vert_log) = (0.0, 0.0)
# (angle_inf_hor_log, angle_inf_vert_log) = (45, 0)
#
# angle_h = -angle_hor_log
# angle_v = -angle_vert_log
#
# angle_inf_h = -angle_inf_hor_log
# angle_inf_v = -angle_inf_vert_log
#
# angle_h = -angle_hor_log
# angle_v = -angle_vert_log
#
# _mix_start = 0.0
# _mix_end = 20.0
#
# in_wav_path = r'./data/_wav_wbn45_dict0/'
# out_wav_path = r'./data/out/'
# #################################################################
# #################################################################
# 1.0 - _sol PROFILE MVDR
vert_mic_count = 6
hor_mic_count = 11
dHor = 0.035
dVert = 0.05
max_len_sec = 3 * 60
n_fft = 512
(angle_hor_log, angle_vert_log) = (13.8845, 6.60824)
(angle_inf_hor_log, angle_inf_vert_log) = (-15.06, -0.31)
angle_h = -angle_hor_log
angle_v = -angle_vert_log
angle_inf_h = -angle_inf_hor_log
angle_inf_v = -angle_inf_vert_log
in_wav_path = r'./data/_sol/'
out_wav_path = r'./data/out/'
_mix_start = 28
_mix_end = 48
#################################################################
#################################################################
# 1.0 - Read signal
x_all_arr, sr = read_mic_wav_from_folder(in_wav_path,
vert_mic_count,
hor_mic_count,
max_len_sec=max_len_sec)
x_all_arr = x_all_arr[:, (np.int32)(_mix_start * sr):(np.int32)(_mix_end *
sr)]
(n_channels, n_samples) = x_all_arr.shape
print("Array data read done!")
print(" n_channels = ", n_channels)
print(" n_samples = ", n_samples)
print(" freq = ", sr)
#################################################################
# 2 - Do STFT
stft_all = stft_arr(x_all_arr, fftsize=n_fft)
(n_bins, n_sensors, n_frames) = stft_all.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
print(' (angle_inf_h, angle_inf_v) = ', angle_inf_h, angle_inf_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
source_position_inf = get_source_position(angle_inf_h,
angle_inf_v,
radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
d_arr_inf = propagation_vector_free_field(sensor_positions,
source_position_inf,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - Calc DS beamforming in desired and noise direction
result_spec = ds_beamforming(stft_all, d_arr.T)
result_spec_inf = ds_beamforming(stft_all, d_arr_inf.T)
#################################################################
# 5 - ISTFT
sig_sp = istft(result_spec.transpose((1, 0)), overlap=2)
sig_inf = istft(result_spec_inf.transpose((1, 0)), overlap=2)
sf.write(r"out/out_ds_sp.wav", sig_sp, sr)
sf.write(r"out/out_ds_inf.wav", sig_inf, sr)
#################################################################
# 4 - NULL filter output
result_spec, _ = null_filter(stft_all,
d_arr_sp=d_arr.T,
d_arr_inf=d_arr_inf.T)
sig_out = istft(result_spec.transpose((1, 0)), overlap=2)
sf.write(r"out/out_null.wav", sig_out, sr)
#result_spec, _ = null_filter_ex(stft_mix_arr, d_arr_sp=d_arr.T, lst_d_arr_inf=[d_arr_inf.T, d_arr_inf_d1.T, d_arr_inf_d2.T])
# #################################################################
# # 6 - AP filter
# M = 200
# step = 0.05
# L = 5
# sig_result = affine_projection_filter(main=sig_sp, ref=sig_inf, M=M,step=step,L=5)
#################################################################
# 6.1 - AP filter + cyclic parameters
# M = 200
# step = 0.05
# L = 5
# leak = 0.0
# delay = -5
#params = [(200, 0.005, 5), (200, 0.05, 5), (200, 0.1, 5), (200, 0.5, 5)]
#params = [(200, 0.005, 5),(200, 0.005, 11), (200, 0.005, 25) , (200, 0.005, 35)]
params = [(100, 0.01, 5, 0.01, -5)]
for (M, step, L, leak, delay) in params:
print("process M = {}, step = {}, L = {}, leak = {}, dealy = {}".
format(M, step, L, leak, delay))
sig_inf = np.roll(sig_inf, delay)
sig_result = affine_projection_filter(main=sig_sp,
ref=sig_inf,
M=M,
step=step,
L=L,
leak=leak)
sf.write(
r"out/out_ap_null_M_{}_step_{}_L_{}_leak_{}_delay_{}.wav".format(
M, step, L, leak, delay), sig_result, sr)
sdr_impr, sir_impr, sar_impr, sdr_base, sir_base, sar_base = calc_sdr_impr_metric(
ref_sp, ref_mus, mix, sig_result)
print(base_name)
print(
"sdr_impr, sir_impr, sar_impr = {}, {}, {}, sdr_base, sir_base, sar_base = {}, {}, {}\n"
.format(sdr_impr, sir_impr, sar_impr, sdr_base, sir_base,
sar_base))
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" stft_noise_arr.shape = ", stft_noise_arr.shape)
print(" stft_mix_arr.shape = ", stft_mix_arr.shape)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
print(' (angle_inf_h, angle_inf_v) = ', angle_inf_h, angle_inf_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
source_position_inf = get_source_position(angle_inf_h,
angle_inf_v,
radius=6.0)
source_position_inf_d1 = get_source_position(angle_inf_h + 3.0,
angle_inf_v,
radius=6.0)
source_position_inf_d2 = get_source_position(angle_inf_h - 3.0,
angle_inf_v,
radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
def params_iterate_null():
#base_name = 'out_mus1_spk1_snr_-10'
base_name = 'out_wgn_spk_snr_-10'
config = cfg.ConfigParser()
config.read(os.path.join(r'./data/_sdr_test', base_name, 'config.cfg'))
in_Main = r'./data/_sdr_test/' + base_name + r'/ds_mix.wav'
in_Main_Sp = r'./data/_sdr_test/' + base_name + r'/ds_spk.wav'
in_Main_Mus = r'./data/_sdr_test/' + base_name + r'/ds_mus.wav'
# #################################################################
# 1.0 - read PROFILE
vert_mic_count = int(config['MIC_CFG']['vert_mic_count'])
hor_mic_count = int(config['MIC_CFG']['hor_mic_count'])
dHor = float(config['MIC_CFG']['dhor'])
dVert = float(config['MIC_CFG']['dvert'])
max_len_sec = int(config['MIC_CFG']['max_len_sec'])
n_fft = int(config['MIC_CFG']['fft_size'])
angle_h = -float(config['FILTER_CFG']['angle_h'])
angle_v = -float(config['FILTER_CFG']['angle_v'])
angle_inf_h = -float(config['FILTER_CFG']['angle_inf_h'])
angle_inf_v = -float(config['FILTER_CFG']['angle_inf_v'])
in_wav_path = r'./data/_sdr_test/' + base_name + r'/mix'
out_wav_path = r'./data/out/'
_mix_start = float(config['FILTER_CFG']['start_mix_time'])
_mix_end = 30
#################################################################
#################################################################
# 1.0 - Read signal
x_all_arr, sr = read_mic_wav_from_folder(in_wav_path,
vert_mic_count,
hor_mic_count,
max_len_sec=max_len_sec)
ref_sp, _ = sf.read(in_Main_Sp)
ref_mus, _ = sf.read(in_Main_Mus)
mix, _ = sf.read(in_Main)
x_all_arr = x_all_arr[:, (np.int32)(_mix_start * sr):(np.int32)(_mix_end *
sr)]
ref_sp = ref_sp[:(np.int32)((_mix_end - _mix_start) * sr)]
ref_mus = ref_mus[:(np.int32)((_mix_end - _mix_start) * sr)]
mix = mix[(np.int32)(_mix_start * sr):(np.int32)(_mix_end * sr)]
(n_channels, n_samples) = x_all_arr.shape
print("Array data read done!")
print(" n_channels = ", n_channels)
print(" n_samples = ", n_samples)
print(" freq = ", sr)
#################################################################
# 2 - Do STFT
stft_all = stft_arr(x_all_arr, fftsize=n_fft)
(n_bins, n_sensors, n_frames) = stft_all.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
print(' (angle_inf_h, angle_inf_v) = ', angle_inf_h, angle_inf_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
source_position_inf = get_source_position(angle_inf_h,
angle_inf_v,
radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
d_arr_inf = propagation_vector_free_field(sensor_positions,
source_position_inf,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - Calc DS beamforming in desired and noise direction
result_spec = ds_beamforming(stft_all, d_arr.T)
result_spec_inf = ds_beamforming(stft_all, d_arr_inf.T)
#################################################################
# 5 - ISTFT
sig_sp = istft(result_spec.transpose((1, 0)), overlap=2)
sig_inf = istft(result_spec_inf.transpose((1, 0)), overlap=2)
sf.write(r"out/out_ds_sp.wav", sig_sp, sr)
sf.write(r"out/out_ds_inf.wav", sig_inf, sr)
#################################################################
# 5.1 - NULL filter + cyclic parameters
out_spec, _ = null_filter(stft_all,
d_arr_sp=d_arr.T,
d_arr_inf=d_arr_inf.T)
sig_out = istft(out_spec.transpose((1, 0)), overlap=2)
sf.write(r"out/out_null.wav", sig_out, sr)
#result_spec, _ = null_filter_ex(stft_mix_arr, d_arr_sp=d_arr.T, lst_d_arr_inf=[d_arr_inf.T, d_arr_inf_d1.T, d_arr_inf_d2.T])
sdr_impr, sir_impr, sar_impr, sdr_base, sir_base, sar_base = calc_sdr_impr_metric(
ref_sp, ref_mus, mix, sig_out)
print(base_name)
print(
"sdr_impr, sir_impr, sar_impr = {}, {}, {}, sdr_base, sir_base, sar_base = {}, {}, {}\n"
.format(sdr_impr, sir_impr, sar_impr, sdr_base, sir_base, sar_base))
print('---------------------------------------------')
def params_iterate():
base_name = 'out_mus1_spk1_snr_-10'
#base_name = 'out_wgn_spk_snr_-10'
config = cfg.ConfigParser()
config.read(os.path.join(r'./data/_sdr_test', base_name, 'config.cfg'))
in_Main = r'./data/_sdr_test/' + base_name + r'/ds_mix.wav'
in_Main_Sp = r'./data/_sdr_test/' + base_name + r'/ds_spk.wav'
in_Main_Mus = r'./data/_sdr_test/' + base_name + r'/ds_mus.wav'
# #################################################################
# 1.0 - read PROFILE
vert_mic_count = int(config['MIC_CFG']['vert_mic_count'])
hor_mic_count = int(config['MIC_CFG']['hor_mic_count'])
dHor = float(config['MIC_CFG']['dhor'])
dVert = float(config['MIC_CFG']['dvert'])
max_len_sec = int(config['MIC_CFG']['max_len_sec'])
n_fft = int(config['MIC_CFG']['fft_size'])
angle_h = -float(config['FILTER_CFG']['angle_h'])
angle_v = -float(config['FILTER_CFG']['angle_v'])
angle_inf_h = -float(config['FILTER_CFG']['angle_inf_h'])
angle_inf_v = -float(config['FILTER_CFG']['angle_inf_v'])
in_wav_path = r'./data/_sdr_test/' + base_name + r'/mix'
out_wav_path = r'./data/out/'
_mix_start = float(config['FILTER_CFG']['start_mix_time'])
_mix_end = 30
#################################################################
#################################################################
# 1.0 - Read signal
x_all_arr, sr = read_mic_wav_from_folder(in_wav_path,
vert_mic_count,
hor_mic_count,
max_len_sec=max_len_sec)
ref_sp, _ = sf.read(in_Main_Sp)
ref_mus, _ = sf.read(in_Main_Mus)
mix, _ = sf.read(in_Main)
x_all_arr = x_all_arr[:, (np.int32)(_mix_start * sr):(np.int32)(_mix_end *
sr)]
ref_sp = ref_sp[:(np.int32)((_mix_end - _mix_start) * sr)]
ref_mus = ref_mus[:(np.int32)((_mix_end - _mix_start) * sr)]
mix = mix[(np.int32)(_mix_start * sr):(np.int32)(_mix_end * sr)]
(n_channels, n_samples) = x_all_arr.shape
print("Array data read done!")
print(" n_channels = ", n_channels)
print(" n_samples = ", n_samples)
print(" freq = ", sr)
#################################################################
# 2 - Do STFT
stft_all = stft_arr(x_all_arr, fftsize=n_fft)
(n_bins, n_sensors, n_frames) = stft_all.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
print(' (angle_inf_h, angle_inf_v) = ', angle_inf_h, angle_inf_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
source_position_inf = get_source_position(angle_inf_h,
angle_inf_v,
radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
d_arr_inf = propagation_vector_free_field(sensor_positions,
source_position_inf,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - Calc DS beamforming in desired and noise direction
result_spec = ds_beamforming(stft_all, d_arr.T)
result_spec_inf = ds_beamforming(stft_all, d_arr_inf.T)
#################################################################
# 5 - ISTFT
sig_sp = istft(result_spec.transpose((1, 0)), overlap=2)
sig_inf = istft(result_spec_inf.transpose((1, 0)), overlap=2)
sf.write(r"out/out_ds_sp.wav", sig_sp, sr)
sf.write(r"out/out_ds_inf.wav", sig_inf, sr)
#################################################################
# 6.1 - AP filter + cyclic parameters
# M = 200
# step = 0.05
# L = 5
# leak = 0.0
# delay = -5
params = [
#(150, 0.005, 5, 0.001, 0),
(150, 0.005, 5, 0.001, 0),
(200, 0.05, 5, 0.001, 0),
]
for (M, step, L, leak, delay) in params:
print("process M = {}, step = {}, L = {}, leak = {}, delay = {}".
format(M, step, L, leak, delay))
sig_inf = np.roll(sig_inf, delay)
sig_result = affine_projection_filter(main=sig_sp,
ref=sig_inf,
M=M,
step=step,
L=L,
leak=leak)
sf.write(
r"out/out_ap_null_M_{}_step_{}_L_{}_leak_{}_delay_{}.wav".format(
M, step, L, leak, delay), sig_result, sr)
sdr_impr, sir_impr, sar_impr, sdr_base, sir_base, sar_base = calc_sdr_impr_metric(
ref_sp, ref_mus, mix, sig_result)
print(base_name)
print(
"sdr_impr, sir_impr, sar_impr = {}, {}, {}, sdr_base, sir_base, sar_base = {}, {}, {}\n"
.format(sdr_impr, sir_impr, sar_impr, sdr_base, sir_base,
sar_base))
print('---------------------------------------------')
def do_ds():
#################################################################
# 1.0 - out_mus1_spk1_snr_-10 PROFILE
vert_mic_count = 6
hor_mic_count = 11
dHor = 0.035
dVert = 0.05
max_len_sec = 60
n_fft = 512
# (angle_hor_log, angle_vert_log) = (7.1539, 7.39515)
(angle_hor_log, angle_vert_log) = (-16.0721, -0.163439)
angle_h = -angle_hor_log
angle_v = -angle_vert_log
_mix_start = 10
_mix_end = 50
in_wav_path = r'./data/_sdr_test/out_mus1_spk1_snr_-15/mix/'
out_wav_path = r'./data/out/'
#################################################################
#################################################################
# 1.0 - Read signal
x_all_arr, sr = read_mic_wav_from_folder(in_wav_path,
vert_mic_count,
hor_mic_count,
max_len_sec=max_len_sec)
x_all_arr = x_all_arr[:, (np.int32)(_mix_start * sr):(np.int32)(_mix_end *
sr)]
(n_channels, n_samples) = x_all_arr.shape
print("Array data read done!")
print(" n_channels = ", n_channels)
print(" n_samples = ", n_samples)
print(" freq = ", sr)
#################################################################
# 2 - Do STFT
stft_all = stft_arr(x_all_arr, fftsize=n_fft)
(n_bins, n_sensors, n_frames) = stft_all.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - Calc DS filter output
result_spec = ds_beamforming(stft_all, d_arr.T)
#################################################################
# 5 inverse STFT and save
sig_out = istft(result_spec.transpose((1, 0)), overlap=2)
sf.write(r"out/out_DS.wav", sig_out, sr)
(n_bins, n_sensors, n_frames) = stft_mix.shape
print("STFT calc done!")
print(" n_bins = ", n_bins)
print(" n_sensors = ", n_sensors)
print(" n_frames = ", n_frames)
#################################################################
# 3 - Calc steering vector
print('Calc steering vector!')
print(' (angle_h, angle_v) = ', angle_h, angle_v)
sensor_positions = get_sensor_positions(hor_mic_count,
vert_mic_count,
dHor=dHor,
dVert=dVert)
source_position = get_source_position(angle_h, angle_v, radius=6.0)
d_arr = propagation_vector_free_field(sensor_positions,
source_position,
N_fft=n_fft,
F_s=sr)
source_position_noise = get_source_position(angle_h_noise,
angle_v_noise,
radius=6.0)
d_arr_noise = propagation_vector_free_field(sensor_positions,
source_position_noise,
N_fft=n_fft,
F_s=sr)
#################################################################
# 4 - Calc filter output
(n_bins, n_sensors, n_frames) = stft_mix_arr.shape
print ("STFT calc done!")
print (" n_bins = ", n_bins)
print (" n_sensors = ", n_sensors)
print (" stft_noise_arr.shape = ", stft_noise_arr.shape)
print (" stft_mix_arr.shape = ", stft_mix_arr.shape)
#################################################################
# 3.0 - Calc steering vector for null direction
angle_null_h = -30.0
angle_null_v = -0.0
sensor_positions = get_sensor_positions(hor_mic_count, vert_mic_count, dHor=dHor, dVert=dVert)
source_position_null = get_source_position(angle_null_h, angle_null_v, radius=6.0)
source_position_null_d1 = get_source_position(angle_null_h + 3.0, angle_null_v, radius=6.0)
source_position_null_d2 = get_source_position(angle_null_h - 3.0, angle_null_v, radius=6.0)
d_arr_null = propagation_vector_free_field(sensor_positions, source_position_null, N_fft = n_fft, F_s = sr)
d_arr_null_d1 = propagation_vector_free_field(sensor_positions, source_position_null_d1, N_fft = n_fft, F_s = sr)
d_arr_null_d2 = propagation_vector_free_field(sensor_positions, source_position_null_d2, N_fft = n_fft, F_s = sr)
#################################################################
# 3.1 - Calc steering vector
angle_step = 1
print ("Begin steering calc ...")
arr_angle_h = range(-90, 90, angle_step)
angle_v = 0.0
