Source code for torchaudio.datasets.cmuarctic
import os
import csv
from pathlib import Path
from typing import Tuple, Union
import torchaudio
from torch import Tensor
from torch.utils.data import Dataset
from torchaudio.datasets.utils import (
download_url,
extract_archive,
)
URL = "aew"
FOLDER_IN_ARCHIVE = "ARCTIC"
_CHECKSUMS = {
"http://festvox.org/cmu_arctic/packed/cmu_us_aew_arctic.tar.bz2":
"4382b116efcc8339c37e01253cb56295",
"http://festvox.org/cmu_arctic/packed/cmu_us_ahw_arctic.tar.bz2":
"b072d6e961e3f36a2473042d097d6da9",
"http://festvox.org/cmu_arctic/packed/cmu_us_aup_arctic.tar.bz2":
"5301c7aee8919d2abd632e2667adfa7f",
"http://festvox.org/cmu_arctic/packed/cmu_us_awb_arctic.tar.bz2":
"280fdff1e9857119d9a2c57b50e12db7",
"http://festvox.org/cmu_arctic/packed/cmu_us_axb_arctic.tar.bz2":
"5e21cb26c6529c533df1d02ccde5a186",
"http://festvox.org/cmu_arctic/packed/cmu_us_bdl_arctic.tar.bz2":
"b2c3e558f656af2e0a65da0ac0c3377a",
"http://festvox.org/cmu_arctic/packed/cmu_us_clb_arctic.tar.bz2":
"3957c503748e3ce17a3b73c1b9861fb0",
"http://festvox.org/cmu_arctic/packed/cmu_us_eey_arctic.tar.bz2":
"59708e932d27664f9eda3e8e6859969b",
"http://festvox.org/cmu_arctic/packed/cmu_us_fem_arctic.tar.bz2":
"dba4f992ff023347c07c304bf72f4c73",
"http://festvox.org/cmu_arctic/packed/cmu_us_gka_arctic.tar.bz2":
"24a876ea7335c1b0ff21460e1241340f",
"http://festvox.org/cmu_arctic/packed/cmu_us_jmk_arctic.tar.bz2":
"afb69d95f02350537e8a28df5ab6004b",
"http://festvox.org/cmu_arctic/packed/cmu_us_ksp_arctic.tar.bz2":
"4ce5b3b91a0a54b6b685b1b05aa0b3be",
"http://festvox.org/cmu_arctic/packed/cmu_us_ljm_arctic.tar.bz2":
"6f45a3b2c86a4ed0465b353be291f77d",
"http://festvox.org/cmu_arctic/packed/cmu_us_lnh_arctic.tar.bz2":
"c6a15abad5c14d27f4ee856502f0232f",
"http://festvox.org/cmu_arctic/packed/cmu_us_rms_arctic.tar.bz2":
"71072c983df1e590d9e9519e2a621f6e",
"http://festvox.org/cmu_arctic/packed/cmu_us_rxr_arctic.tar.bz2":
"3771ff03a2f5b5c3b53aa0a68b9ad0d5",
"http://festvox.org/cmu_arctic/packed/cmu_us_slp_arctic.tar.bz2":
"9cbf984a832ea01b5058ba9a96862850",
"http://festvox.org/cmu_arctic/packed/cmu_us_slt_arctic.tar.bz2":
"959eecb2cbbc4ac304c6b92269380c81",
}
def load_cmuarctic_item(line: str,
path: str,
folder_audio: str,
ext_audio: str) -> Tuple[Tensor, int, str, str]:
utterance_id, transcript = line[0].strip().split(" ", 2)[1:]
# Remove space, double quote, and single parenthesis from transcript
transcript = transcript[1:-3]
file_audio = os.path.join(path, folder_audio, utterance_id + ext_audio)
# Load audio
waveform, sample_rate = torchaudio.load(file_audio)
return (
waveform,
sample_rate,
transcript,
utterance_id.split("_")[1]
)
[docs]class CMUARCTIC(Dataset):
"""Create a Dataset for CMU_ARCTIC.
Args:
root (str or Path): Path to the directory where the dataset is found or downloaded.
url (str, optional):
The URL to download the dataset from or the type of the dataset to dowload.
(default: ``"aew"``)
Allowed type values are ``"aew"``, ``"ahw"``, ``"aup"``, ``"awb"``, ``"axb"``, ``"bdl"``,
``"clb"``, ``"eey"``, ``"fem"``, ``"gka"``, ``"jmk"``, ``"ksp"``, ``"ljm"``, ``"lnh"``,
``"rms"``, ``"rxr"``, ``"slp"`` or ``"slt"``.
folder_in_archive (str, optional):
The top-level directory of the dataset. (default: ``"ARCTIC"``)
download (bool, optional):
Whether to download the dataset if it is not found at root path. (default: ``False``).
"""
_file_text = "txt.done.data"
_folder_text = "etc"
_ext_audio = ".wav"
_folder_audio = "wav"
def __init__(self,
root: Union[str, Path],
url: str = URL,
folder_in_archive: str = FOLDER_IN_ARCHIVE,
download: bool = False) -> None:
if url in [
"aew",
"ahw",
"aup",
"awb",
"axb",
"bdl",
"clb",
"eey",
"fem",
"gka",
"jmk",
"ksp",
"ljm",
"lnh",
"rms",
"rxr",
"slp",
"slt"
]:
url = "cmu_us_" + url + "_arctic"
ext_archive = ".tar.bz2"
base_url = "http://www.festvox.org/cmu_arctic/packed/"
url = os.path.join(base_url, url + ext_archive)
# Get string representation of 'root' in case Path object is passed
root = os.fspath(root)
basename = os.path.basename(url)
root = os.path.join(root, folder_in_archive)
if not os.path.isdir(root):
os.mkdir(root)
archive = os.path.join(root, basename)
basename = basename.split(".")[0]
self._path = os.path.join(root, basename)
if download:
if not os.path.isdir(self._path):
if not os.path.isfile(archive):
checksum = _CHECKSUMS.get(url, None)
download_url(url, root, hash_value=checksum, hash_type="md5")
extract_archive(archive)
self._text = os.path.join(self._path, self._folder_text, self._file_text)
with open(self._text, "r") as text:
walker = csv.reader(text, delimiter="\n")
self._walker = list(walker)
[docs] def __getitem__(self, n: int) -> Tuple[Tensor, int, str, str]:
"""Load the n-th sample from the dataset.
Args:
n (int): The index of the sample to be loaded
Returns:
(Tensor, int, str, str): ``(waveform, sample_rate, transcript, utterance_id)``
"""
line = self._walker[n]
return load_cmuarctic_item(line, self._path, self._folder_audio, self._ext_audio)
def __len__(self) -> int:
return len(self._walker)