Livetoon TTS: The Technology Behind the Strongest Japanese TTS

This article, part of the Livetoon Tech Advent Calendar 2025, delves into the core technology behind Livetoon TTS, a Japanese text-to-speech system. It promises insights from the CTO regarding the inner workings of the system. The article is likely to cover aspects such as the architecture, algorithms, and data used to achieve high-quality speech synthesis. Given the mention of AI character apps and related technologies like LLMs, it's probable that the TTS system leverages large language models for improved naturalness and expressiveness. The article's placement within an Advent Calendar suggests a focus on accessibility and a broad overview rather than deep technical details.

• •Livetoon TTS is a core technology for Livetoon.
• •The article is part of the Livetoon Tech Advent Calendar 2025.
• •The article will provide insights into the technology behind Livetoon TTS.