Practical overview
When it fits
Use IMS Toucan when you need a code-based TTS toolkit for inference, model training or speech-synthesis experimentation. For a quick hosted tryout, the repository links to an interactive Hugging Face demo.
Who it is for
- Developers building or adapting text-to-speech workflows.
- Researchers and learners working with speech synthesis and multilingual TTS.
- Users who want to generate audio from text locally or try the linked hosted demo.
Documented uses
- Synthesize a string or list of sentences into spoken audio.
- Save generated speech to a file or play it through system speakers.
- Load a pretrained or trained model for inference.
- Train TTS models or use the toolkit for teaching and experimentation.
Requirements & limits
The repository identifies the project as open source under the Apache-2.0 license. Its README links to a Hugging Face interactive demo described as free to use.
- Python 3.10 is the recommended version.
- Inference does not require a GPU, but model training requires a CUDA-enabled GPU.
- Linux installation lists several audio and system-library requirements; Windows and macOS have additional setup considerations.
- Pretrained models are optional and can be downloaded automatically when needed.
- The repository links to a supported-language list, dataset and hosted demo.
Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.
Install IMS Toucan on Linux
Prepare the repository and Python environment for using the toolkit.
Before you start
- Python 3.10 is recommended.
- A cloned copy of the repository.
- On Linux, the README lists libsndfile1, espeak-ng, ffmpeg, libasound-dev, libportaudio2 and libsqlite3-dev.
- A CUDA-enabled GPU is required for training; inference does not require a GPU.
Steps
Clone the repository onto the machine where you plan to use it.
From the repository directory, create and activate a Python virtual environment.
Install the listed Linux system packages if they are not already available.
Install the Python requirements with the command below.
pip install --no-cache-dir -r requirements.txt
Expected outcome
The repository’s basic Python requirements are installed in a virtual environment, ready for the documented inference or training workflow.
Guide limitations
- These steps cover basic Linux installation, not model training or inference execution.
- The README gives separate instructions for Windows and additional platform-specific eSpeak-NG setup.
- Training requires a CUDA-enabled GPU; inference does not.
Compare options for Model inference and serving
These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.
| Project | Documented purpose | Platform | Access and requirements |
|---|---|---|---|
| Ims Toucan | Synthesize a string or list of sentences into spoken audio. | The repository identifies the project as open source under the Apache-2.0 license. Its README links to a Hugging Face interactive demo described as free to use. | |
| Bluetts | Generate speech audio from text in a supported language. | CLI, Linux, macOS, Windows | The repository is public and identifies the project license as MIT. |
Sources & review
Source record details
- Source availability
- Active
- Sources checked
- 14 October 2026
- Original website title
- DigitalPhonetics/IMS-Toucan · Official homepage title · retained in its source language

