End-User License Agreement

FoxVox requires that you accept the following End-User License Agreement before installation can proceed:


Non-commercial and non-military use of FoxVox ONLY. The restriction is due to the third-party Mbrola Project's license. See 2) below.

For business use FoxVox Pro is offered as an alternative with support for high-quality voices by Cepstral. For details see:

1) FoxVox and some other included softwares are licensed under the GNU General Public License versions 2 and/or 3 (GPL vers. 2 or 3). Visit the following links for details:

2) Use of the MBROLA text-to-speech engine and voices may ONLY be non-commercial, and non-military. Read the full license at:

Here is the excerpt regarding usage:

"Permission is granted to use this Program for non-commercial, non-military purposes, with and only with the voice and language databases made available by the Author from the MBROLA project www homepage :

In return, the Author asks you to mention the MBROLA reference paper :

T. DUTOIT, V. PAGEL, N. PIERRET, F. BATAILLE, O. VAN DER VREKEN, "The MBROLA Project: Towards a Set of High-Quality Speech Synthesizers Free of Use for Non-Commercial Purposes" Proc. ICSLP'96, Philadelphia, vol. 3, pp. 1393-1396 .

or the book :

An Introduction to Text-To-Speech Synthesis,
T. DUTOIT, Kluwer Academic Publishers, Dordrecht
Hardbound, ISBN 0-7923-4498-7 April 1997, 312 pp.

in any scientific publication referring to work for which this Program has been used."

3) The included wave player for Windows, wv_player, is freeware and distributed with written permission from the author. If you want to distribute it separately from FoxVox then you need to contact the author for permission. Run the wv_player for author information.

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