M-AILABS speech-data notice

The bundled German narrations were synthesized with the Piper
de_DE-eva_k-x_low model. Its model card identifies M-AILABS as the training
dataset. The dataset's published notice is retained below.

Copyright (c) 2017-2019 by the original creators @ M-AILABS

Redistribution and use in any form, including any commercial use, with or
without modification are permitted provided that the following conditions are
met:

* Redistributions of source data must retain the above copyright notice, this
  list of conditions and the following disclaimer.
* Neither the name of the copyright holder nor the names of its contributors
  may be used to endorse or promote products derived from this downloaded data,
  source-code or binary-code without specific prior written permission.

THIS DATA IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Sources checked 2026-08-12:

* Piper voice model card:
  https://huggingface.co/rhasspy/piper-voices/blob/main/de/de_DE/eva_k/x_low/MODEL_CARD
* Piper voice repository:
  https://huggingface.co/rhasspy/piper-voices/tree/main/de/de_DE/eva_k/x_low
* Preserved M-AILABS dataset and license page:
  https://github.com/imdatceleste/m-ailabs-dataset
* Female-speaker evidence for Eva K:
  https://www.isca-archive.org/interspeech_2019/chen19f_interspeech.pdf

The application does not imply endorsement by M-AILABS, LibriVox, Project
Gutenberg, Rhasspy, Piper, or the recorded speaker.