Differences with torchaudio.datasets.TEDLIUM

torchaudio.datasets.TEDLIUM

class torchaudio.datasets.TEDLIUM(
    root: str,
    release: str = 'release1',
    subset: str = None,
    download: bool = False,
    audio_ext: str = '.sph')

For more information, see torchaudio.datasets.TEDLIUM.

mindspore.dataset.TedliumDataset

class mindspore.dataset.TedliumDataset(
    dataset_dir,
    release,
    usage=None,
    extensions=None,
    num_samples=None,
    num_parallel_workers=None,
    shuffle=None,
    sampler=None,
    num_shards=None,
    shard_id=None,
    cache=None)

For more information, see mindspore.dataset.TedliumDataset.

Differences

PyTorch: Read the Tedlium dataset.

MindSpore: Read the Tedlium dataset. Downloading dataset from web is not supported.

Categories	Subcategories	PyTorch	MindSpore	Difference
Parameter	Parameter1	root	dataset_dir	-
	Parameter2	release	release	-
	Parameter3	subset	usage	-
	Parameter4	download	-	Not supported by MindSpore
	Parameter5	audio_ext	extensions	-
	Parameter6	-	num_samples	The number of images to be included in the dataset
	Parameter7	-	num_parallel_workers	Number of worker threads to read the data
	Parameter8	-	shuffle	Whether to perform shuffle on the dataset
	Parameter9	-	sampler	Object used to choose samples from the dataset
	Parameter10	-	num_shards	Number of shards that the dataset will be divided into
	Parameter11	-	shard_id	The shard ID within num_shards
	Parameter12	-	cache	Use tensor caching service to speed up dataset processing

Code Example

# PyTorch
import torchaudio.datasets as datasets
from torch.utils.data import DataLoader

root = "/path/to/dataset_directory/"
dataset = datasets.TEDLIUM(root, release='release1')
dataloader = DataLoader(dataset)

# MindSpore
import mindspore.dataset as ds

# Download Tedlium dataset files, unzip into the following structure
# .
# └──TEDLIUM_release1
#     └── dev
#         ├── sph
#             ├── AlGore_2009.sph
#             ├── BarrySchwartz_2005G.sph
#         ├── stm
#             ├── AlGore_2009.stm
#             ├── BarrySchwartz_2005G.stm
#     └── test
#         ├── sph
#             ├── AimeeMullins_2009P.sph
#             ├── BillGates_2010.sph
#         ├── stm
#             ├── AimeeMullins_2009P.stm
#             ├── BillGates_2010.stm
#     └── train
#         ├── sph
#             ├── AaronHuey_2010X.sph
#             ├── AdamGrosser_2007.sph
#         ├── stm
#             ├── AaronHuey_2010X.stm
#             ├── AdamGrosser_2007.stm
#     └── readme
#     └── TEDLIUM.150k.dic
root = "/path/to/dataset_directory/"
ms_dataloader = ds.TedliumDataset(root, release='release1')