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License:
CC0-1.0
Steward:
CommunityDataset ID:
cmm4ddcsx00npmh07hxmlax2b
Task: TTS
Release Date: 2/27/2026
Format: WAV,CSV
Size: 255.96 MB
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Thorsten-Voice Dataset 2023.09 (Hessisch) is a German regional dialect speech dataset based on standard German text pronounced in the Hessian dialect (“Hessisch”), primarily spoken in the southern region of the German state of Hessen. The recordings were made by Thorsten Müller and audio-optimized by Dominik Kreutz. The dataset is released under CC0 to enable unrestricted research and commercial use.
Restrictions/Special Constraints
None. Released under CC0 (public domain dedication).
Forbidden Usage
None from the licensor’s side. Users are responsible for complying with applicable laws and ethical standards.
Ethical Review
The dataset consists exclusively of voluntary recordings of the contributor’s own voice. No third-party voices or personal data are included. All recordings were created with the explicit intention of unrestricted public release under CC0. No formal institutional ethical review was required, as the dataset contains only self-recorded material. The dataset was released in the spirit of openness, equality, and free access to knowledge. The contributor encourages responsible and socially beneficial use.
Intended Use
Intended for dialectal text-to-speech (TTS), regional speech modeling, speech synthesis research, benchmarking, and commercial speech technology development.
2,108 recorded phrases
Standard German text pronounced in Hessian dialect (“Hessisch”)
LJSpeech-compatible file and directory structure
WAV files (mono)
22,050 Hz sample rate
Normalized to -24 dB
No leading or trailing silence
Released under CC0 (public domain dedication).
No restrictions apply.
The goal of the Thorsten-Voice project is to provide high-quality German voice datasets and TTS models as free and open resources.
“I contribute my personal voice as a person believing in a world where all people are equal, regardless of gender, sexual orientation, religion, skin color, or geographic coordinates of birth. I believe in a global world where everyone is welcome everywhere and where free knowledge and education is accessible to all.”