icefall/egs/aishell4/ASR/local/display_manifest_statistics.py
Mingshuang Luo 5c3ee8bfcd
[Ready to merge] Pruned transducer stateless5 recipe for AISHELL4 (#399)
* pruned-transducer-stateless5 recipe for aishell4

* pruned-transducer-stateless5 recipe for aishell4

* do some changes and text normalize

* do some changes

* add text normalize

* combine the training data and decode without webdataset

* update codes for merging

* Do a change for READMD.md
2022-06-14 22:19:05 +08:00

114 lines
2.7 KiB
Python

# Copyright 2021 Xiaomi Corp. (authors: Fangjun Kuang
# Mingshuang Luo)
#
# 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 ../../../librispeech/ASR/transducer/train.py
for usage.
"""
from lhotse import load_manifest
def main():
paths = [
"./data/fbank/cuts_train_S.json.gz",
"./data/fbank/cuts_train_M.json.gz",
"./data/fbank/cuts_train_L.json.gz",
"./data/fbank/cuts_test.json.gz",
]
for path in paths:
print(f"Starting display the statistics for {path}")
cuts = load_manifest(path)
cuts.describe()
if __name__ == "__main__":
main()
"""
Starting display the statistics for ./data/fbank/cuts_train_S.json.gz
Cuts count: 91995
Total duration (hours): 95.8
Speech duration (hours): 95.8 (100.0%)
***
Duration statistics (seconds):
mean 3.7
std 7.1
min 0.1
25% 0.9
50% 2.5
75% 5.4
99% 15.3
99.5% 17.5
99.9% 23.3
max 1021.7
Starting display the statistics for ./data/fbank/cuts_train_M.json.gz
Cuts count: 177195
Total duration (hours): 179.5
Speech duration (hours): 179.5 (100.0%)
***
Duration statistics (seconds):
mean 3.6
std 6.4
min 0.0
25% 0.9
50% 2.4
75% 5.2
99% 14.9
99.5% 17.0
99.9% 23.5
max 990.4
Starting display the statistics for ./data/fbank/cuts_train_L.json.gz
Cuts count: 37572
Total duration (hours): 49.1
Speech duration (hours): 49.1 (100.0%)
***
Duration statistics (seconds):
mean 4.7
std 4.0
min 0.2
25% 1.6
50% 3.7
75% 6.7
99% 17.5
99.5% 19.8
99.9% 26.2
max 87.4
Starting display the statistics for ./data/fbank/cuts_test.json.gz
Cuts count: 10574
Total duration (hours): 12.1
Speech duration (hours): 12.1 (100.0%)
***
Duration statistics (seconds):
mean 4.1
std 3.4
min 0.2
25% 1.4
50% 3.2
75% 5.8
99% 14.4
99.5% 14.9
99.9% 16.5
max 17.9
"""