English Conversational Telephone Speech Recognition by Humans and Machines. - George Saon; Gakuto Kurata; Tom Sercu; Kartik Audhkhasi; Samuel Thomas 001; Dimitrios Dimitriadis; Xiaodong Cui; Bhuvana Ramabhadran; Michael Picheny; Lynn-Li Lim; Bergul Roomi; Phil Hall (INTERSPEECH, 2017)