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71 lines
1.8 KiB
Python
Executable File
71 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2022 Xiaomi Corp. (authors: Fangjun Kuang)
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#
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# See ../../../../LICENSE for clarification regarding multiple authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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To run this file, do:
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cd icefall/egs/librispeech/ASR
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python ./transducer_stateless/test_frame_shift.py
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"""
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import torch
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from frame_shift import apply_frame_shift
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def test_apply_frame_shift():
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features = torch.tensor(
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[
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[
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[1, 2, 5],
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[2, 6, 9],
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[3, 0, 2],
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[4, 11, 13],
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[0, 0, 0],
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[0, 0, 0],
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],
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[
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[1, 3, 9],
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[2, 5, 8],
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[3, 3, 6],
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[4, 0, 3],
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[5, 1, 2],
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[6, 6, 6],
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],
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]
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)
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supervision_segments = torch.tensor(
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[
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[0, 0, 4],
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[1, 0, 6],
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],
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dtype=torch.int32,
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)
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shifted_features = apply_frame_shift(features, supervision_segments)
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# You can enable the debug statement in frame_shift.py
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# and check the resulting shifted_features. I've verified
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# manually that it is correct.
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print(shifted_features)
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def main():
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test_apply_frame_shift()
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if __name__ == "__main__":
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main()
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