o si @sXddlZddlmZddlZddlZddlZGdddejZe ddddd d d d Z dS) N)datacs<eZdZdZdZfddZddZddZd d ZZ S) DNSDataseta1Deep Noise Suppression (DNS) Challenge's dataset. Args json_dir (str): path to the JSON directory (from the recipe). References "The INTERSPEECH 2020 Deep Noise Suppression Challenge: Datasets, Subjective Testing Framework, and Challenge Results", Reddy et al. 2020. DNScshtt|||_ttj|dd}t ||_ Wdn1s%wYt |j |_ dS)Nzfile_infos.jsonr)superr__init__json_diropenospathjoinjsonload mix_infoslistkeyswav_ids)selfrf __class__M/home/ubuntu/.local/lib/python3.10/site-packages/asteroid/data/dns_dataset.pyrs zDNSDataset.__init__cCs t|jS)N)lenr)rrrr__len__s zDNSDataset.__len__cCsn|j|j|}ttj|dddd}ttj|dddd}ttj|dddd}|||fS)zcGets a mixture/sources pair. Returns: mixture, vstack([source_arrays]) mixfloat32)dtypercleannoise)rrtorch from_numpysfread)ridxutt_infoxspeechrrrr __getitem__!s  zDNSDataset.__getitem__cCs&t}|j|d<d|d<tg|d<|S)zGet dataset infos (for publishing models). Returns: dict, dataset infos with keys `dataset`, `task` and `licences`. dataset enhancementtasklicenses)dict dataset_name dns_license)rinfosrrr get_infos/s   zDNSDataset.get_infos) __name__ __module__ __qualname____doc__r.rrr(r1 __classcell__rrrrrs  rz&Deep Noise Suppression (DNS) Challengez*https://github.com/microsoft/DNS-Challenge Microsoftz https://www.microsoft.com/fr-fr/z CC BY-NC 4.0z/https://creativecommons.org/licenses/by-nc/4.0/F)title title_linkauthor author_linklicense license_linknon_commercial) r torch.utilsrr r soundfiler"Datasetrr-r/rrrrs 4