mirror of
https://github.com/k2-fsa/icefall.git
synced 2025-08-08 09:32:20 +00:00
c17233eca7
* add aishell2 * fix aishell2 * add manifest stats * update prepare char dict * fix lint * setting max duration * lint * change context size to 1 * update result * update hf link * fix decoding comment * add more decoding methods * update result * change context-size 2 default
97 lines
2.2 KiB
Python
Executable File
97 lines
2.2 KiB
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.
|
|
|
|
"""
|
|
This file displays duration statistics of utterances in a manifest.
|
|
You can use the displayed value to choose minimum/maximum duration
|
|
to remove short and long utterances during the training.
|
|
|
|
See the function `remove_short_and_long_utt()` in transducer_stateless/train.py
|
|
for usage.
|
|
"""
|
|
|
|
|
|
from lhotse import load_manifest_lazy
|
|
|
|
|
|
def main():
|
|
paths = [
|
|
"./data/fbank/aishell2_cuts_train.jsonl.gz",
|
|
"./data/fbank/aishell2_cuts_dev.jsonl.gz",
|
|
"./data/fbank/aishell2_cuts_test.jsonl.gz",
|
|
]
|
|
|
|
for path in paths:
|
|
print(f"Starting display the statistics for {path}")
|
|
cuts = load_manifest_lazy(path)
|
|
cuts.describe()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|
|
|
|
"""
|
|
Starting display the statistics for ./data/fbank/aishell2_cuts_train.jsonl.gz
|
|
Cuts count: 3026106
|
|
Total duration (hours): 3021.2
|
|
Speech duration (hours): 3021.2 (100.0%)
|
|
***
|
|
Duration statistics (seconds):
|
|
mean 3.6
|
|
std 1.5
|
|
min 0.3
|
|
25% 2.4
|
|
50% 3.3
|
|
75% 4.4
|
|
99% 8.2
|
|
99.5% 8.9
|
|
99.9% 10.6
|
|
max 21.5
|
|
Starting display the statistics for ./data/fbank/aishell2_cuts_dev.jsonl.gz
|
|
Cuts count: 2500
|
|
Total duration (hours): 2.0
|
|
Speech duration (hours): 2.0 (100.0%)
|
|
***
|
|
Duration statistics (seconds):
|
|
mean 2.9
|
|
std 1.0
|
|
min 1.1
|
|
25% 2.2
|
|
50% 2.7
|
|
75% 3.4
|
|
99% 6.3
|
|
99.5% 6.7
|
|
99.9% 7.8
|
|
max 9.4
|
|
Starting display the statistics for ./data/fbank/aishell2_cuts_test.jsonl.gz
|
|
Cuts count: 5000
|
|
Total duration (hours): 4.0
|
|
Speech duration (hours): 4.0 (100.0%)
|
|
***
|
|
Duration statistics (seconds):
|
|
mean 2.9
|
|
std 1.0
|
|
min 1.1
|
|
25% 2.2
|
|
50% 2.7
|
|
75% 3.3
|
|
99% 6.2
|
|
99.5% 6.6
|
|
99.9% 7.7
|
|
max 8.5
|
|
"""
|