Fangjun Kuang 2332ba312d
Begin to use multiple datasets in training (#213)
* Begin to use multiple datasets.

* Finish preparing training datasets.

* Minor fixes

* Copy files.

* Finish training code.

* Display losses for gigaspeech and librispeech separately.

* Fix decode.py

* Make the probability to select a batch from GigaSpeech configurable.

* Update results.

* Minor fixes.
2022-02-21 15:27:27 +08:00

76 lines
2.6 KiB
Python

# Copyright 2021 Piotr Żelasko
# 2022 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.
import logging
from pathlib import Path
from lhotse import CutSet, load_manifest
class GigaSpeech:
def __init__(self, manifest_dir: str):
"""
Args:
manifest_dir:
It is expected to contain the following files::
- cuts_XL_raw.jsonl.gz
- cuts_L_raw.jsonl.gz
- cuts_M_raw.jsonl.gz
- cuts_S_raw.jsonl.gz
- cuts_XS_raw.jsonl.gz
- cuts_DEV_raw.jsonl.gz
- cuts_TEST_raw.jsonl.gz
"""
self.manifest_dir = Path(manifest_dir)
def train_XL_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_XL_raw.jsonl.gz"
logging.info(f"About to get train-XL cuts from {f}")
return CutSet.from_jsonl_lazy(f)
def train_L_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_L_raw.jsonl.gz"
logging.info(f"About to get train-L cuts from {f}")
return CutSet.from_jsonl_lazy(f)
def train_M_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_M_raw.jsonl.gz"
logging.info(f"About to get train-M cuts from {f}")
return CutSet.from_jsonl_lazy(f)
def train_S_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_S_raw.jsonl.gz"
logging.info(f"About to get train-S cuts from {f}")
return CutSet.from_jsonl_lazy(f)
def train_XS_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_XS_raw.jsonl.gz"
logging.info(f"About to get train-XS cuts from {f}")
return CutSet.from_jsonl_lazy(f)
def test_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_TEST.jsonl.gz"
logging.info(f"About to get TEST cuts from {f}")
return load_manifest(f)
def dev_cuts(self) -> CutSet:
f = self.manifest_dir / "cuts_DEV.jsonl.gz"
logging.info(f"About to get DEV cuts from {f}")
return load_manifest(f)