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Daulet89/kaburi-tts
kaburi-tts is a text-to-speech model from Daulet89. Use it when you need text read aloud. It is set up for pytorch. The card lists the license as apache-2.0.
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Updated Sep 10, 2026
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From the Hugging Face model README
KABURI-TTS は、2 話者の日本語対話音声を左右 2 チャンネルで同時に生成する対話音声合成システムです。相槌・重なり(かぶり)・間を含む対話特有のタイミング構造を、テキストのみから再現できます。使い方・コードは GitHub リポジトリ を参照してください。
This work was developed as part of the Dialogue Working Group of the Research and Development Center for Large Language Models (LLMC), National Institute of Informatics (NII). / 本成果は、国立情報学研究所 大規模言語モデル研究開発センター(NII LLMC)対話WGの活動として作成されたものです。
| ファイル | 内容 |
|---|---|
acoustic/ | 対話音声を生成する acoustic model(Irodori-TTS-500M-v2 を対話ドメインに適応した rectified flow)と推論設定 |
raster/ | テキストから音素ラスタを作るモデル(realizer / gap)と、学習データから作成した統計データ |
predictor/ | 対話タイミング予測器と設定(論文で評価した構成。--paper-mode を付けたときに使われます) |
textconverter/ | 書き言葉的な対話を話し言葉に変換するモデル(llm-jp/llm-jp-3-440m を fine-tune)と tokenizer |
音響モデルは論文と同一です。最新版では、論文版の単一 timing predictor を realizer(実発音・音素長・発話内ポーズ)と gap model(間・かぶり)に置き換えています。GitHub のデモページに掲載している合成音声は最新版で生成しています。論文版は predictor/(--paper-mode)、対応するコード一式は GitHub の paper-release-v1 タグで再現できます。
LLM-jp-Zoom1(NII LLMC が構築した 2 話者日本語自由対話コーパス)。
本リポジトリで配布するモデル重み・設定は Apache License 2.0 です(本文は同梱の LICENSE、第三者素材の帰属は同梱の NOTICE を参照)。ただし派生元・依存先のライセンスが併せて適用されます。
以下はライセンス条件ではなく、利用にあたってのお願いと注意です。
本成果は APSIPA ASC 2026 採録論文です(to appear)。プレプリントは arXiv:2609.07200 で公開しています。
Ryuichiro Higashinaka, Shinnosuke Takamichi, and Tetsuji Ogawa. "KABURI-TTS: Phoneme-Keyed Activity-conditioned Bi-channel Utterance Rendering for Interaction." In Proceedings of the 2026 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2026. (to appear)
@inproceedings{kaburi-tts,
title = {{KABURI-TTS}: Phoneme-Keyed Activity-conditioned Bi-channel Utterance Rendering for Interaction},
author = {Higashinaka, Ryuichiro and Takamichi, Shinnosuke and Ogawa, Tetsuji},
booktitle = {Proceedings of the 2026 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
year = {2026},
eprint = {2609.07200},
archivePrefix = {arXiv},
primaryClass = {cs.SD},
url = {https://arxiv.org/abs/2609.07200},
note = {to appear}
}
KABURI-TTS is a spoken dialogue synthesis system that generates two-speaker Japanese conversations as two simultaneous audio channels, reproducing conversational timing — backchannels, overlaps (kaburi), and pauses — from text alone. See the GitHub repository for usage and code.
| File | Description |
|---|---|
acoustic/ | Dialogue acoustic model (a rectified-flow model adapting Irodori-TTS-500M-v2 to the dialogue domain) and inference config |
raster/ | Models that turn text into phone rasters (realizer / gap), with statistics derived from the training data |
predictor/ | Dialogue timing predictor and config (the configuration evaluated in the paper; used when --paper-mode is given) |
textconverter/ | Model that rewrites written-style dialogue into spoken style (fine-tuned from llm-jp/llm-jp-3-440m) and its tokenizer |
The acoustic model is unchanged. The current release replaces the paper's single timing predictor with a realizer (realized phones, phone durations, and intra-utterance pauses) and a gap model (gaps and overlaps). The demo samples use the current release. Use predictor/ with --paper-mode for the paper pipeline; the corresponding code snapshot is tagged paper-release-v1 on GitHub.
LLM-jp-Zoom1, a corpus of Japanese two-speaker free conversations built at NII LLMC.
The model weights and configurations distributed here are licensed under Apache License 2.0 (full text in the bundled LICENSE; third-party attributions in the bundled NOTICE). The licenses of the models they derive from or depend on also apply.
These are not license terms, but requests and caveats for users.
This work has been accepted at APSIPA ASC 2026 (to appear). A preprint is available as arXiv:2609.07200.
Ryuichiro Higashinaka, Shinnosuke Takamichi, and Tetsuji Ogawa. "KABURI-TTS: Phoneme-Keyed Activity-conditioned Bi-channel Utterance Rendering for Interaction." In Proceedings of the 2026 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2026. (to appear)
@inproceedings{kaburi-tts,
title = {{KABURI-TTS}: Phoneme-Keyed Activity-conditioned Bi-channel Utterance Rendering for Interaction},
author = {Higashinaka, Ryuichiro and Takamichi, Shinnosuke and Ogawa, Tetsuji},
booktitle = {Proceedings of the 2026 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
year = {2026},
eprint = {2609.07200},
archivePrefix = {arXiv},
primaryClass = {cs.SD},
url = {https://arxiv.org/abs/2609.07200},
note = {to appear}
}