| INTRODUCTION |
| ============ |
| Multilingual LibriSpeech (MLS) dataset is a large multilingual corpus |
| suitable for speech research. The dataset is derived from read audiobooks |
| from LibriVox and consists of 8 languages - English, German, Dutch, French, |
| Spanish, Italian, Portuguese and Polish. |
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|
| STATISTICS |
| ========== |
| ------------------------------------------------ |
| Language | train(hrs) | dev(hrs) | test(hrs) |
| ------------------------------------------------ |
| English | 44659.74 | 15.75 | 15.55 |
| German | 1966.51 | 14.28 | 14.29 |
| Dutch | 1554.24 | 12.76 | 12.76 |
| French | 1076.58 | 10.07 | 10.07 |
| Spanish | 917.68 | 9.99 | 10.00 |
| Italian | 247.38 | 5.18 | 5.27 |
| Portuguese | 160.96 | 3.64 | 3.74 |
| Polish | 103.65 | 2.08 | 2.14 |
| ------------------------------------------------ |
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| DIRECTORY STRUCTURE |
| =================== |
|
|
| A typical top-level directory layout |
|
|
| . |
| ├── metainfo.txt # Info about the LibriVox data used in the dataset (one row per chapter) |
| ├── dev # Dev (validation) subset |
| │ ├── segments.txt |
| │ ├── transcripts.txt |
| │ └── audio |
| │ └── ... |
| ├── test # Test subset |
| │ ├── segments.txt |
| │ ├── transcripts.txt |
| │ └── audio |
| │ └── ... |
| ├── train # Train subset |
| │ ├── segments.txt # LibriVox audio links and segment start/end timestamps (in sec) for each audio file |
| │ ├── transcripts.txt # Transcripts file with audio file name as key |
| │ ├── audio |
| │ │ ├── 10148 # LibriVox speaker ID |
| │ │ │ ├── 10119 # LibriVox book ID |
| │ │ │ │ ├── 10148_10119_000000.flac # 16Khz audio file |
| │ │ │ │ ├── 10148_10119_000001.flac |
| │ │ │ │ └── ... |
| │ │ │ └── ... |
| │ │ └── ... |
| │ └── limited_supervision # Limited supervision training sets (10 min, 1 hr and 10 hr) |
| │ ├── 1hr # Data of the 1h split (made up of 6 folds of 10 min) |
| │ │ ├── 0 # first 10 min fold |
| │ │ │ └── handles.txt # List of audio handles for the split |
| │ │ ├── ... |
| │ │ └── 6 # last 10 min fold |
| │ │ └── handles.txt |
| │ └── 9hr # Remaining data of the 10h split (10h=1h+9h) |
| │ └── handles.txt |
| ├── LICENSE # License info |
| └── README |
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| For more information, see the paper "MLS: A Large-Scale Multilingual Dataset for Speech Research", Vineel Pratap, Qiantong Xu, Anuroop Sriram, Gabriel Synnaeve and Ronan Collobert, INTERSPEECH 2020. |
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