mirror of
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117 lines
4.1 KiB
Markdown
117 lines
4.1 KiB
Markdown

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A fast, local neural text to speech system that sounds great and is optimized for the Raspberry Pi 4.
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Piper is used in a [variety of projects](#people-using-piper).
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``` sh
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echo 'Welcome to the world of speech synthesis!' | \
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./piper --model en-us-blizzard_lessac-medium.onnx --output_file welcome.wav
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```
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[Listen to voice samples](https://rhasspy.github.io/piper-samples) and check out a [video tutorial by Thorsten Müller](https://youtu.be/rjq5eZoWWSo)
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[](https://nabucasa.com)
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Voices are trained with [VITS](https://github.com/jaywalnut310/vits/) and exported to the [onnxruntime](https://onnxruntime.ai/).
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## Voices
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Our goal is to support Home Assistant and the [Year of Voice](https://www.home-assistant.io/blog/2022/12/20/year-of-voice/).
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[Download voices](https://github.com/rhasspy/piper/releases/tag/v0.0.2) for the supported languages:
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* Catalan (ca)
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* Danish (da)
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* German (de)
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* British English (en-gb)
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* U.S. English (en-us)
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* Spanish (es)
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* Finnish (fi)
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* French (fr)
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* Greek (el-gr)
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* Icelandic (is)
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* Italian (it)
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* Kazakh (kk)
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* Nepali (ne)
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* Dutch (nl)
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* Norwegian (no)
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* Polish (pl)
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* Brazilian Portuguese (pt-br)
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* Russian (ru)
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* Swedish (sv-se)
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* Ukrainian (uk)
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* Vietnamese (vi)
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* Chinese (zh-cn)
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## Installation
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Download a release:
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* [amd64](https://github.com/rhasspy/piper/releases/download/v1.0.0/piper_amd64.tar.gz) (64-bit desktop Linux)
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* [arm64](https://github.com/rhasspy/piper/releases/download/v1.0.0/piper_arm64.tar.gz) (64-bit Raspberry Pi 4)
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* [armv7](https://github.com/rhasspy/piper/releases/download/v1.0.0/piper_armv7.tar.gz) (32-bit Raspberry Pi 3/4)
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If you want to build from source, see the [Makefile](Makefile) and [C++ source](src/cpp).
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You must download and extract [piper-phonemize](https://github.com/rhasspy/piper-phonemize) to `lib/Linux-$(uname -m)/piper_phonemize` before building.
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For example, `lib/Linux-x86_64/piper_phonemize/lib/libpiper_phonemize.so` should exist for AMD/Intel machines (as well as everything else from `libpiper_phonemize-amd64.tar.gz`).
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## Usage
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1. [Download a voice](#voices) and extract the `.onnx` and `.onnx.json` files
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2. Run the `piper` binary with text on standard input, `--model /path/to/your-voice.onnx`, and `--output_file output.wav`
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For example:
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``` sh
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echo 'Welcome to the world of speech synthesis!' | \
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./piper --model en-us-lessac-medium.onnx --output_file welcome.wav
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```
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For multi-speaker models, use `--speaker <number>` to change speakers (default: 0).
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See `piper --help` for more options.
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## People using Piper
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Piper has been used in the following projects/papers:
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* [Home Assistant](https://github.com/home-assistant/addons/blob/master/piper/README.md)
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* [Rhasspy 3](https://github.com/rhasspy/rhasspy3/)
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* [NVDA - NonVisual Desktop Access](https://www.nvaccess.org/post/in-process-8th-may-2023/#voices)
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* [Image Captioning for the Visually Impaired and Blind: A Recipe for Low-Resource Languages](https://www.techrxiv.org/articles/preprint/Image_Captioning_for_the_Visually_Impaired_and_Blind_A_Recipe_for_Low-Resource_Languages/22133894)
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* [Open Voice Operating System](https://github.com/OpenVoiceOS/ovos-tts-plugin-piper)
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* [JetsonGPT](https://github.com/shahizat/jetsonGPT)
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## Training
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See the [training guide](TRAINING.md) and the [source code](src/python).
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Pretrained checkpoints are available on [Hugging Face](https://huggingface.co/datasets/rhasspy/piper-checkpoints/tree/main)
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## Running in Python
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See [src/python_run](src/python_run)
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Run `scripts/setup.sh` to create a virtual environment and install the requirements. Then run:
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``` sh
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echo 'Welcome to the world of speech synthesis!' | scripts/piper \
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--model /path/to/voice.onnx \
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--output_file welcome.wav
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```
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If you'd like to use a GPU, install the `onnxruntime-gpu` package:
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``` sh
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.venv/bin/pip3 install onnxruntime-gpu
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```
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and then run `scripts/piper` with the `--cuda` argument. You will need to have a functioning CUDA environment, such as what's available in [NVIDIA's PyTorch containers](https://catalog.ngc.nvidia.com/orgs/nvidia/containers/pytorch).
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