icefall/egs/yesno/ASR/transducer/test_encoder.py
Fangjun Kuang 95af039733
RNN-T training for yesno. (#141)
* RNN-T training for yesno.

* Rename Jointer to Joiner.
2021-12-07 21:44:37 +08:00

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Python
Executable File

#!/usr/bin/env python3
# Copyright 2021 Xiaomi Corp. (authors: Fangjun Kuang)
#
# See ../../../../LICENSE for clarification regarding multiple authors
#
# 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.
"""
To run this file, do:
cd icefall/egs/yesno/ASR
python ./transducer/test_encoder.py
"""
import torch
from transducer.encoder import Tdnn
def test_encoder():
input_dim = 10
output_dim = 20
encoder = Tdnn(input_dim, output_dim)
N = 10
T = 85
x = torch.rand(N, T, input_dim)
x_lens = torch.randint(low=30, high=T, size=(N,), dtype=torch.int32)
logits, logit_lens = encoder(x, x_lens)
assert logits.shape == (N, T - 26, output_dim)
assert torch.all(torch.eq(x_lens - 26, logit_lens))
def main():
test_encoder()
if __name__ == "__main__":
main()