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https://github.com/cuuupid/cog-f5-tts

F5-TTS ported to Cog for inference anywhere ⚙️
https://github.com/cuuupid/cog-f5-tts

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F5-TTS ported to Cog for inference anywhere ⚙️

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# F5-TTS: A Fairytaler that Fakes Fluent and Faithful Speech with Flow Matching

[![python](https://img.shields.io/badge/Python-3.10-brightgreen)](https://github.com/SWivid/F5-TTS)
[![arXiv](https://img.shields.io/badge/arXiv-2410.06885-b31b1b.svg?logo=arXiv)](https://arxiv.org/abs/2410.06885)
[![demo](https://img.shields.io/badge/GitHub-Demo%20page-blue.svg)](https://swivid.github.io/F5-TTS/)
[![space](https://img.shields.io/badge/🤗-Space%20demo-yellow)](https://huggingface.co/spaces/mrfakename/E2-F5-TTS)
[![Try a demo on Replicate](https://replicate.com/x-lance/f5-tts/badge)](https://replicate.com/x-lance/f5-tts)

**F5-TTS**: Diffusion Transformer with ConvNeXt V2, faster trained and inference.

**E2 TTS**: Flat-UNet Transformer, closest reproduction.

**Sway Sampling**: Inference-time flow step sampling strategy, greatly improves performance

## Installation

Clone the repository:

```bash
git clone https://github.com/SWivid/F5-TTS.git
cd F5-TTS
```

Install packages:

```bash
pip install -r requirements.txt
```

Install torch with your CUDA version, e.g. :

```bash
pip install torch==2.3.0+cu118 --extra-index-url https://download.pytorch.org/whl/cu118
pip install torchaudio==2.3.0+cu118 --extra-index-url https://download.pytorch.org/whl/cu118
```

**Note**: install numpy with version < 2.x, e.g. `pip install numpy==1.22.0`.

## Prepare Dataset

Example data processing scripts for Emilia and Wenetspeech4TTS, and you may tailor your own one along with a Dataset class in `model/dataset.py`.

```bash
# prepare custom dataset up to your need
# download corresponding dataset first, and fill in the path in scripts

# Prepare the Emilia dataset
python scripts/prepare_emilia.py

# Prepare the Wenetspeech4TTS dataset
python scripts/prepare_wenetspeech4tts.py
```

## Training

Once your datasets are prepared, you can start the training process.

```bash
# setup accelerate config, e.g. use multi-gpu ddp, fp16
# will be to: ~/.cache/huggingface/accelerate/default_config.yaml
accelerate config
accelerate launch test_train.py
```
An initial guidance on Finetuning [#57](https://github.com/SWivid/F5-TTS/discussions/57).

## Inference

To run inference with pretrained models, download the checkpoints from [🤗 Hugging Face](https://huggingface.co/SWivid/F5-TTS).

Currently support up to 30s generation, which is the **TOTAL** length of prompt audio and the generated. Batch inference with chunks is supported by Gradio APP now.
- To avoid possible inference failures, make sure you have seen through the following instructions.
- A longer prompt audio allows shorter generated output. The part longer than 30s cannot be generated properly. Consider split your text and do several separate inferences or leverage the local Gradio APP which enables a batch inference with chunks.
- Uppercased letters will be uttered letter by letter, so use lowercased letters for normal words.
- Add some spaces (blank: " ") or punctuations (e.g. "," ".") to explicitly introduce some pauses. If first few words skipped in code-switched generation (cuz different speed with different languages), this might help.

### Single Inference

You can test single inference using the following command. Before running the command, modify the config up to your need.

```bash
# modify the config up to your need,
# e.g. fix_duration (the total length of prompt + to_generate, currently support up to 30s)
# nfe_step (larger takes more time to do more precise inference ode)
# ode_method (switch to 'midpoint' for better compatibility with small nfe_step, )
# ( though 'midpoint' is 2nd-order ode solver, slower compared to 1st-order 'Euler')
python test_infer_single.py
```
### Speech Editing

To test speech editing capabilities, use the following command.

```bash
python test_infer_single_edit.py
```

### Gradio App

You can launch a Gradio app (web interface) to launch a GUI for inference.

First, make sure you have the dependencies installed (`pip install -r requirements.txt`). Then, install the Gradio app dependencies:

```bash
pip install -r requirements_gradio.txt
```

After installing the dependencies, launch the app (will load ckpt from Huggingface, you may set `ckpt_path` to local file in `gradio_app.py`):

```bash
python gradio_app.py
```

You can specify the port/host:

```bash
python gradio_app.py --port 7860 --host 0.0.0.0
```

Or launch a share link:

```bash
python gradio_app.py --share
```

## Evaluation

### Prepare Test Datasets

1. Seed-TTS test set: Download from [seed-tts-eval](https://github.com/BytedanceSpeech/seed-tts-eval).
2. LibriSpeech test-clean: Download from [OpenSLR](http://www.openslr.org/12/).
3. Unzip the downloaded datasets and place them in the data/ directory.
4. Update the path for the test-clean data in `test_infer_batch.py`
5. Our filtered LibriSpeech-PC 4-10s subset is already under data/ in this repo

### Batch Inference for Test Set

To run batch inference for evaluations, execute the following commands:

```bash
# batch inference for evaluations
accelerate config # if not set before
bash test_infer_batch.sh
```

### Download Evaluation Model Checkpoints

1. Chinese ASR Model: [Paraformer-zh](https://huggingface.co/funasr/paraformer-zh)
2. English ASR Model: [Faster-Whisper](https://huggingface.co/Systran/faster-whisper-large-v3)
3. WavLM Model: Download from [Google Drive](https://drive.google.com/file/d/1-aE1NfzpRCLxA4GUxX9ITI3F9LlbtEGP/view).

### Objective Evaluation

**Some Notes**

For faster-whisper with CUDA 11:

```bash
pip install --force-reinstall ctranslate2==3.24.0
```

(Recommended) To avoid possible ASR failures, such as abnormal repetitions in output:

```bash
pip install faster-whisper==0.10.1
```

Update the path with your batch-inferenced results, and carry out WER / SIM evaluations:
```bash
# Evaluation for Seed-TTS test set
python scripts/eval_seedtts_testset.py

# Evaluation for LibriSpeech-PC test-clean (cross-sentence)
python scripts/eval_librispeech_test_clean.py
```

## Acknowledgements

- [E2-TTS](https://arxiv.org/abs/2406.18009) brilliant work, simple and effective
- [Emilia](https://arxiv.org/abs/2407.05361), [WenetSpeech4TTS](https://arxiv.org/abs/2406.05763) valuable datasets
- [lucidrains](https://github.com/lucidrains) initial CFM structure with also [bfs18](https://github.com/bfs18) for discussion
- [SD3](https://arxiv.org/abs/2403.03206) & [Hugging Face diffusers](https://github.com/huggingface/diffusers) DiT and MMDiT code structure
- [torchdiffeq](https://github.com/rtqichen/torchdiffeq) as ODE solver, [Vocos](https://huggingface.co/charactr/vocos-mel-24khz) as vocoder
- [mrfakename](https://x.com/realmrfakename) huggingface space demo ~
- [FunASR](https://github.com/modelscope/FunASR), [faster-whisper](https://github.com/SYSTRAN/faster-whisper), [UniSpeech](https://github.com/microsoft/UniSpeech) for evaluation tools
- [ctc-forced-aligner](https://github.com/MahmoudAshraf97/ctc-forced-aligner) for speech edit test

## Citation
```
@article{chen-etal-2024-f5tts,
title={F5-TTS: A Fairytaler that Fakes Fluent and Faithful Speech with Flow Matching},
author={Yushen Chen and Zhikang Niu and Ziyang Ma and Keqi Deng and Chunhui Wang and Jian Zhao and Kai Yu and Xie Chen},
journal={arXiv preprint arXiv:2410.06885},
year={2024},
}
```
## License

Our code is released under MIT License.