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TTS-Online (Dolphin AI) is a free online multilingual text-to-speech tool offering more than 160 voice options, suitable for scenarios such as self-media, audiobooks, and education. Its features include anime-style voices, OpenAI technical support, mobile optimization, audio translation, and background music synthesis, and it is officially stated to be completely free with unlimited use.

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About this tool

TTS-Online (also known as Dolphin AI) is an online text-to-speech (TTS) tool, with the website https://www.ttson.cn/。

Purpose: It mainly provides multilingual text-to-speech services, capable of converting text into speech audio, suitable for various scenarios such as self-media content production, audiobook synthesis, and education.

Main capabilities:

  • Covers more than 160 voice options.
  • Provides anime-style voices.
  • Officially stated to use OpenAI technical support.
  • Optimized for mobile devices.
  • Supports audio translation.
  • Supports background music synthesis.
  • Officially claimed to be completely free and unlimited to use.
  • In addition to TTS generation, Dolphin Ai also supports other AI tools such as AI painting (according to the official text description).

How to use: It can be used online through its website https://www.ttson.cn/ . Specific operating steps, registration requirements, export formats, and other details are not yet provided.

Applicable scenarios: self-media dubbing, audiobook production, educational content, and other occasions requiring text-to-speech.

Limitations: It is officially stated to be free and unlimited, but details regarding voice copyright, commercial licensing, single text length, concurrency limits, and the specific language list are not provided and are not yet available.