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PaddleSpeech/paddleaudio/tests/features/base.py

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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# 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 os
import unittest
import numpy as np
import paddle
from paddleaudio import load
file_dir = os.path.dirname(os.path.realpath(__file__))
class FeatTest(unittest.TestCase):
def setUp(self):
self.initParmas()
self.initWavInput()
self.setUpDevice()
def setUpDevice(self, device='cpu'):
paddle.set_device(device)
def initWavInput(self):
self.waveform, self.sr = load(
os.path.abspath(os.path.join(file_dir, '../wav/zh.wav')))
self.waveform = self.waveform.astype(
np.float32
) # paddlespeech.s2t.transform.spectrogram only supports float32
dim = len(self.waveform.shape)
assert dim in [1, 2]
if dim == 1:
self.waveform = np.expand_dims(self.waveform, 0)
def initParmas(self):
raise NotImplementedError