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Unless otherwise indicated, the Voxforge.org website is Copyright 2005-2016 VoxForge.

The CMU speech databases are Copyrighted by Carnegie Mellon University, details of which are contained in the license included in the relevant package.

Previously, most prompts used in the speech submission app were adapted from the prompt files contained in the CMU_ARCTIC database.  These were carefully selected from out-of-copyright texts from Project Gutenberg. The CMU_ARCTIC database were constructed by the Language Technologies Institute at Carnegie Mellon University as phonetically balanced, US English single speaker databases designed for unit selection speech synthesis research.