# AivisSpeech

Free speech synthesis software that produces emotionally expressive voices, usable for video narration, voice dramas and similar.

- Official site: https://aivis-project.com/
- Category: AI & Generative AI
- Japanese UI: Yes
- Uses AI: Yes
- Web version: Unverified
- Platforms: Unverified
- Pricing type: 無料+有料
- Free plan: Yes
- Price: AivisSpeechは無料ダウンロード。音声合成APIの無料お試しあり、有料条件は未確認
- Developer: Aivis Project
- Checked on: 2026-11-05

## Key features

- 感情豊かな音声合成
- 無料
- LGPL-3.0のオープンソース
- ゆっくりムービーメーカー4から利用可

## Sources

- https://aivis-project.com/
- https://github.com/Aivis-Project/AivisSpeech

Page: https://appnavi.dev/en/apps/aivisspeech/