This is an adapted version of KokoroSharp that updates the C# 9+ syntax and uses a KokoroWaveOutEvent for Unity audio sources to make it usable in Unity. This package includes the eSpeak NG dlls from https://github.com/Lyrcaxis/KokoroSharpBinaries, where you can also get the voices by running the download script. The voices are expected to be in Assets/StreamingAssets/Kokoro/voices.

You can install this package by:

1. Opening your Unity project
2. Opening the Package Manager (Window > Package Manager)
3. Click the "+" button in the top-left
4. Select "Add package from git URL..."
5. Enter the repository URL: https://github.com/unipotent/KokoroSharpUnity.git
6. Click "Add"

Dependencies

This package requires the package com.github.asus4.onnxruntime Be sure to follow the installation instructions from their readme.

Usage

• Add voices as mentioned above
• Add the KokoroUnity component to a GameObject, and drag in your audio source.

Example code:

using KokoroSharp;
using KokoroSharp.Core;

void Start()
{
    KokoroTTS kokoroTTS = KokoroTTS.LoadModel();
    KokoroVoice voice = KokoroVoiceManager.GetVoice("af_heart");
    kokoroTTS.SpeakFast("Hello World!", voice);
}

Tested on Unity 6, Windows 11 on CPU

License

• This package is provided under the MIT LICENSE.
• KokoroSharp is licensed under the MIT License.
• The Kokoro 82M model and its voices are released under the Apache License.
• eSpeak NG is licensed under the GPLv3 License.
• NumSharp is licensed under the Apache 2.0 License.
• NAudio is licensed under the MIT Licnese.