Librispeech

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Dataset name Type of data Annotation remarks License Metadata Name/s of people who are entering the data
LibriSpeech FLAC
  • The audio file and the transcription file are stored under the same directory.
  • There are multiple audio files and only one txt file which is the transcription.
  • And in the transcription file, the transcription for each audio is in separate lines.
Creative Commons Attribution 4.0 International License.
  • Language: English
  • The dataset is split into 3 sections with 100.6, 363.6, 496.7 hours of speech.
  • The gender ratio of speakers is about half and half.
  • The size of each audio file is around
  • Dataset is made by Vassil Panayotov.
  • Guoguo Chen , Daniel Povey , Sanjeev Khudanpur are also contributed to the dataset and article below.