The LibriSpeech corpus is a large (1000 hour) corpus of English read speech
   derived from audiobooks in the LibriVox project, sampled at 16kHz.  The
   accents are various and not marked, but the majority are US English.  It is
   available for download for free at http://www.openslr.org/12/.  It was prepared
   as a speech recognition corpus by Vassil Panayotov.
  
   The recipe is in s5/