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test_imglsadf.py
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test_imglsadf.py
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# ------------------------------------------------------------------------ #
# Copyright 2022 SPTK Working Group #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); #
# you may not use this file except in compliance with the License. #
# You may obtain a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
# ------------------------------------------------------------------------ #
import numpy as np
import pytest
import diffsptk
import tests.utils as U
@pytest.mark.parametrize("device", ["cpu", "cuda"])
@pytest.mark.parametrize("ignore_gain", [False, True])
@pytest.mark.parametrize("mode", ["multi-stage", "single-stage", "freq-domain"])
def test_compatibility(
device, ignore_gain, mode, c=0, alpha=0.42, M=24, P=80, L=400, fft_length=512
):
if mode == "multi-stage":
params = {"taylor_order": 20, "cep_order": 100}
elif mode == "single-stage":
params = {"ir_length": 400, "n_fft": 1024}
elif mode == "freq-domain":
params = {"frame_length": L, "fft_length": fft_length}
imglsadf = diffsptk.IMLSA(
M,
P,
alpha=alpha,
c=c,
ignore_gain=ignore_gain,
phase="minimum",
mode=mode,
**params,
)
tmp1 = "mglsadf.tmp1"
tmp2 = "mglsadf.tmp2"
# Note that using waveform [-1, 1] is numerically stable.
cmd1 = f"x2x +sd tools/SPTK/asset/data.short | sopr -d 32768 > {tmp1}"
cmd2 = (
f"x2x +sd tools/SPTK/asset/data.short | "
"sopr -d 32768 | "
f"frame -p {P} -l {L} | "
f"window -w 1 -n 1 -l {L} -L {fft_length} | "
f"mgcep -c {c} -a {alpha} -m {M} -l {fft_length} > {tmp2}"
)
opt = "-k" if ignore_gain else ""
U.check_compatibility(
device,
imglsadf,
[cmd1, cmd2],
[f"cat {tmp1}", f"cat {tmp2}"],
f"imglsadf {tmp2} < {tmp1} -c {c} -a {alpha} -m {M} -p {P} {opt}",
[f"rm {tmp1} {tmp2}"],
dx=[None, M + 1],
eq=lambda a, b: np.corrcoef(a, b)[0, 1] > 0.99,
)