Thorsten-Voice Dataset 2021.06 Emotional

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License:

CC0-1.0

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Steward:

Community

Task: TTS

Release Date: 2/27/2026

Format: WAV,CSV

Size: 380.80 MB


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Description

Thorsten-Voice Dataset 2021.06 (emotional) is a German emotional speech dataset recorded by Thorsten Müller and audio-optimized by Dominik Kreutz. It contains 2,400 recordings representing eight distinct emotions. The dataset is released under CC0 to enable unrestricted research and commercial use.

Specifics

Licensing

Creative Commons Zero v1.0 Universal (CC0-1.0)

https://spdx.org/licenses/CC0-1.0.html

Considerations

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.

Processes

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 emotional text-to-speech (TTS), expressive speech synthesis, emotion recognition research, benchmarking, and commercial speech technology development.

Metadata

Dataset Structure

  • 300 sentences

  • 8 emotions

  • 2,400 total recordings (300 × 8)

Emotions Included

  • Neutral (~19 min)

  • Disgusted (~23 min)

  • Angry (~20 min)

  • Amused (~18 min)

  • Surprised (~18 min)

  • Sleepy (~30 min)

  • Drunk-style speech (~25 min)
    (Recorded sober; speech style only)

  • Whispering (~22 min)

Technical Details

  • WAV files (mono)

  • 22,050 Hz sample rate

  • Normalized to -24 dB

  • No leading or trailing silence

  • Sentence length: 59–148 characters

Licensing

Released under CC0 (public domain dedication).
No restrictions apply.

Project Context

The goal of the Thorsten-Voice project is to provide high-quality German voice datasets and TTS models as free and open resources.

Contributor Statement (Thorsten Müller)

“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.”