This file contains documentation on the Spelled and Spoken Words
Data Consortium (LDC) catalog number LDC2006S15 and ISBN 1-58563-382-8.
The Spelled and Spoken Words corpus consists of spelled and
spoken words. 3,647 callers were prompted to to say and
spell their first and last names, to say what city they
grew up in and what city they were calling from, and to
answer two yes/no questions. In order to collect sufficient
instances of each letter, 1,371 callers also recited
the English alphabet with pauses between the letters. Each
call was transcribed by two people, and all differences
were resolved. In addition, a subset of 2,648 calls has been
For an example of the data in this corpus, please listen to this audio sample.
Portions © 1994-2002 Center for Spoken Language Understanding,
Oregon Health & Science University, © 2006 Trustees of the University of