Third-party data used by the German IPA Trainer
===============================================

1. IPA transcriptions: ipa-dict, German (data/de.txt)
   https://github.com/open-dict-data/ipa-dict
   (commit 972cd67dd5f96bc5660e28070cde26e3928abcd7)

   The MIT License (MIT)
   
   Copyright (c) 2016 dohliam
   
   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files (the "Software"), to deal
   in the Software without restriction, including without limitation the rights
   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   copies of the Software, and to permit persons to whom the Software is
   furnished to do so, subject to the following conditions:
   
   The above copyright notice and this permission notice shall be included in all
   copies or substantial portions of the Software.
   
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   SOFTWARE.
2. Word frequencies: Leipzig Corpora Collection, deu_mixed-typical_2011_1M
   https://wortschatz.uni-leipzig.de/en/download
   Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).
   Used to select the most frequent words and their usual capitalisation.

   D. Goldhahn, T. Eckart & U. Quasthoff: Building Large Monolingual
   Dictionaries at the Leipzig Corpora Collection: From 100 to 200 Languages.
   In: Proceedings of the 8th International Language Resources and
   Evaluation (LREC'12), 2012.

3. Speech: eSpeak NG 1.52.0, German voice (espeak/espeak-de.js, espeak/espeak-de.data)
   https://github.com/espeak-ng/espeak-ng
   (release tarball sha256 bb4338102ff3b49a81423da8a1a158b420124b055b60fa76cfb4b18677130a23)

   Copyright (C) 2005-2014 Jonathan Duddington and contributors;
   copyright (C) 2015-2024 Reece H. Dunn and contributors.
   Licensed under the GNU General Public License, version 3 or later; the full
   text is in espeak/COPYING.txt. The files above are unmodified eSpeak NG source
   and data compiled to JavaScript together with a small wrapper. The
   corresponding source is the release above plus the wrapper and build
   script published alongside it in espeak/source/.

4. Font: "IPA Trainer Serif" (fonts/ipa-serif-*.woff2), a Modified Version of
   Charis SIL 7.000 Regular and SemiBold
   https://github.com/silnrsi/font-charis
   Copyright (c) 1997-2025 SIL Global (https://www.sil.org/), with Reserved
   Font Names "Charis" and "SIL". Licensed under the SIL Open Font License,
   Version 1.1; the full text is in fonts/OFL.txt. The files above are subsets
   of the release fonts, renamed and converted to WOFF2 by scripts/build_font.py.