~Vji! ddlZddlmZddlmZmZddlZddlmZddl m Z ddl m Z ddl mZdd d d d gd dddddd d gd ddddddd gd dddZGdde ZdS)N)Path)TupleUnion)Tensor)Dataset)download_url_to_file) _extract_tarTEDLIUM_release1z:http://www.openslr.org/resources/7/TEDLIUM_release1.tar.gz@30301975fd8c5cac4040c261c0852f57cfa8adbbad2ce78e77e4986957445f27train)r testdevzTEDLIUM.150K.dic)folder_in_archiveurlchecksum data_pathsubsetsupported_subsetsdictTEDLIUM_release2z;http://www.openslr.org/resources/19/TEDLIUM_release2.tar.gz@93281b5fcaaae5c88671c9d000b443cb3c7ea3499ad12010b3934ca41a7b9c58zTEDLIUM.152k.diczTEDLIUM_release-3z9http://www.openslr.org/resources/51/TEDLIUM_release-3.tgz@ad1e454d14d1ad550bc2564c462d87c7a7ec83d4dc2b9210f22ab4973b9eccdbzdata/)release1release2release3ceZdZdZ ddeeefdeded ed ed d f d Zdede ded e e e ee e e ffdZ ddede de de d e e gf dZde d e e e ee e e ffdZd e fdZedZd S)TEDLIUMa*Tedlium* :cite:`rousseau2012tedlium` dataset (releases 1,2 and 3). Args: root (str or Path): Path to the directory where the dataset is found or downloaded. release (str, optional): Release version. Allowed values are ``"release1"``, ``"release2"`` or ``"release3"``. (default: ``"release1"``). subset (str, optional): The subset of dataset to use. Valid options are ``"train"``, ``"dev"``, and ``"test"``. Defaults to ``"train"``. download (bool, optional): Whether to download the dataset if it is not found at root path. (default: ``False``). audio_ext (str, optional): extension for audio file (default: ``".sph"``) rr F.sphrootreleaserdownload audio_extreturnNc||_|tvr>t|d}t|d}|r|nt|d}n:td|t|t|dvr4td|t|dt j|}t j|}t j ||} | dd}|d krf|d kr8t j ||t|d |_ n`t j ||d ||_ n8t j ||t|d ||_ |rxt j |j sSt j | s%t|d } t|| | t| nz#TEDLIUM.__init__..~s')L)L44,)L)L)L)L)L)Lr) _ext_audio_RELEASE_CONFIGSkeys RuntimeErrorformatosfspathpathbasenamejoinsplit_pathisdirisfilerr exists _filelistsortedlistdirendswithopenlen readlinesreplaceextendrange _dict_path _phoneme_dict)selfr r!rr"r#rrr;archiverstm_pathflr/s @r0__init__zTEDLIUM.__init__:s$ &++-- - - 0 9:M N "7+E2C%NVV+;G+DX+NFFX__$))++  )'23FG G GV]]$W-.AB y7##C((',,tX..>>#&&q) j   W\\$0ACST[C\]hCijj W\\$0A8VTT d,=?OPW?XYd?egmnnDJ  7==,, &w~~g..M/8DH(g8LLLLW%%%7>>$*-- "[ [[[ 7<< E222:h//00 M MD}}V$$ M7<< E4@@(^^MqAKKMM**A<<33DN)))L)L)L)L588)L)L)LLLLMMMMMMMMMMMMMMM ',,t->@PQX@YZ`@abb!sA+N==O O fileidr.r:ctj|d|}t|dz5}||}|dd\}}} } } } }dddn #1swxYwYtj|d|} || |jz| | \}}||||| | fS)aLoads a TEDLIUM dataset sample given a file name and corresponding sentence name. Args: fileid (str): File id to identify both text and audio files corresponding to the sample line (int): Line identifier for the sample inside the text file path (str): Dataset root path Returns: (Tensor, int, str, int, int, int): ``(waveform, sample_rate, transcript, talk_id, speaker_id, identifier)`` r)r* Nsph) start_timeend_time)r8r:r<rFrHr= _load_audior3)rNrTr.r:transcript_pathrQ transcripttalk_id_ speaker_idrYrZ identifier wave_pathwaveform sample_rates r0_load_tedlium_itemzTEDLIUM._load_tedlium_items',,tUF;; /F* + + lqt,JS]ScScdgijSkSk PGQ J*j l l l l l l l l l l l l l l lGLLuf55 $ 0 0T_1LYcnv 0 w w++z7J SSs9A99A=A=>rYrZrdctt||z}tt||z}|||z d}tj|fi|S)a"Default load function used in TEDLIUM dataset, you can overwrite this function to customize functionality and load individual sentences from a full ted audio talk file. Args: path (str): Path to audio file start_time (int): Time in seconds where the sample sentence stars end_time (int): Time in seconds where the sample sentence finishes sample_rate (float, optional): Sampling rate Returns: [Tensor, int]: Audio tensor representation and sample rate ) frame_offset num_frames)intfloat torchaudioload)rNr:rYrZrdkwargss r0r[zTEDLIUM._load_audios`z**[899 uX455",Hz)rNrorTr.s r0 __getitem__zTEDLIUM.__getitem__s.,~a( &&vtTZ@@@r2c*t|jS)zTEDLIUM dataset custom function overwritting len default behaviour. Returns: int: TEDLIUM dataset length )rGrB)rNs r0__len__zTEDLIUM.__len__s 4>"""r2ct|jsi|_t|jdd5}|D]M}|}t |dd|j|d<N dddn #1swxYwY|jS)zdict[str, tuple[str]]: Phonemes. Mapping from word to tuple of phonemes. Note that some words have empty phonemes. rzutf-8)encodingNr)rMrFrLrHstripr=tuplecopy)rNrQr.contents r0 phoneme_dictzTEDLIUM.phoneme_dicts ! H!#D dosW=== HKKMMHHD"jjll0022G5:7122;5G5GD&wqz22H H H H H H H H H H H H H H H H!&&(((sA#BBB)rr Fr)rf)__name__ __module__ __qualname____doc__rstrrboolrSrjrrrerkr[rqrspropertyr|r,r2r0rr+s  "" G"G"CIG"G" G"  G"  G" G"G"G"G"RTTCTsTuVUXZ]_bdgilMlGmTTTT,////%/VY/gmorfs////(ASAU63S#s+J%KAAAA2##### ) )X ) ) )r2r)r8pathlibrtypingrrrltorchrtorch.utils.datartorchaudio._internalrtorchaudio.datasets.utilsr r4rr,r2r0rsL $$$$$$555555222222 0KV555"0LV555"1JV555"'>o)o)o)o)o)go)o)o)o)o)r2