239 lines
7.5 KiB
Markdown
239 lines
7.5 KiB
Markdown
# Simple TTS
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A simple machine learning text-to-speech program for your terminal. Hear text read aloud by realistic voices; from a file or your clipboard.
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## Motivation
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Text-to-speech is not always supported in many digital platforms out there. The quality is also not consistent.
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Having **Simple TTS** run on the terminal and locally on my machine provides a cozy and private environment I feel safe to use.
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This is especially useful for the days when I don't have the mental energy to go through the many written communication or resources I have to, and a little push is needed.
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## Features
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1. Terminal-first user experience
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1. Many realistic voices available
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1. Use any length of text
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1. Saved raw audio files in sensible chunks
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1. Use copied text as input
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1. Utilize different GPUs as accelerator — Intel architecture supported!
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## Requirements
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**Simple TTS** is in early development, and not packaged or distributed yet for any particular operating system. Please read on to see the tested environment under which I am developing & using it:
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1. This is currently only tested working on Debian or Ubuntu-based distros.
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1. GPU accelerators make the program run faster, but you need to have updated drivers for your device that `PyTorch` requires. However, it will still run fine on CPUs, just slower (up to 2x longer or more).
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1. The following are required packages aside from the python dependencies. `espeak-ng` is used under the hood as a fallback engine for English languages, and `libvlc` is used as the default audio player for the generated audio.
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```bash
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sudo apt update
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sudo apt install vlc espeak-ng
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```
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> [!Note]
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> Installing `vlc` via flatpak or snap will not work, as the code need access to `libvlc`.
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## Setup
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Clone repo and go into the directory
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```bash
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git clone https://git.ayo.run/ayo/simple-tts
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cd simple-tts
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```
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Create new [Python virtual environment](https://realpython.com/python-virtual-environments-a-primer/). Here I use [`conda`](https://docs.conda.io/projects/conda/en/latest/user-guide/install/), but [venv](https://docs.python.org/3/library/venv.html) is also good.
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```bash
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conda create -n tts
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### (optional) for Intel XPU specific device usage:
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conda create -n tts --clone llm-pt26
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```
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> [!Note]
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> Optional for using Intel XPUs, you need to set up [ipex-llm environment with pytorch 2.6](https://git.ayo.run/ayo/ipex-llm/src/branch/main/docs/mddocs/Quickstart/install_pytorch26_gpu.md). Also, see [Intel XPU environmental variables"](#intel-xpu-environmental-variables) section below.
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Activate the environment and install the dependencies
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```bash
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conda activate tts
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pip install -r requirements.txt
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```
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### Language-specific setup
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There are language-specific python dependencies.
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For example, if you will use Chinese voices (see [voices usage](#voices)), please install the requirements `requirements-zh.txt` ... supporting more languages is still a work in progress.
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```bash
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# Before using zf or zm prefixed voices...
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pip install -r requirements-zh.txt
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## then you can use voices for Chinese texts:
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python tts.py -v zf_xiaoni "事实胜于雄辩"
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## Before using jf or jm prefixed voices...
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pip install -r requirements-jp.txt
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## then you can use voices for Japanese texts:
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python tts.py -v jf_alpha "言い習わし"
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```
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Please also read the requirements text file for the language you want to use, as there may be additional instructions there. For example, using Japanese you may want to choose a dictionary and initialize a configuration file.
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| Language | lang_code | requirements file |
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| -------- | --------- | ---------------------------- |
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| Chinese | 'z' | requirements-zh.txt |
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| Japanese | 'j' | requirements-jp.txt |
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| Spanish | 'e' | _no additional requirements_ |
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| French | 'f' | _no additional requirements_ |
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> [!Note]
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> Voices are prefixed with the language code and their gender. For example, 'af' means it is American English and Female. 'zm' means it is Chinese and Make. You can read more about using different voices in the [Voices](#voices) secton.
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### Intel XPU environmental variables (Optional)
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For XPUs, we need to set some environmental variables. I have added a `env.sh` script which will activate the conda environment `tts` and set the environmental variables.
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```bash
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. env.sh
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```
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## Usage
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Go into the directory and activate the environment:
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```bash
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cd simple-tts
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conda activate tts
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```
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If using Intel XPUs, set the env variables
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```bash
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. env.sh
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```
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Running the program without arguments will use the demo text `tongue-twister.txt` with the default voice.
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```bash
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python tts.py # will use default arguments
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```
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### Providing text inputs
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You can pass a string as first argument:
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```bash
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python tts.py "Hello world!" # will be read by the default voice
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```
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To run the program with an input file, use flag `--input_file`.
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```bash
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python tts.py --input_file demo/tongue-twister.txt
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# or shorter...
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python tts.py -i demo/tongue-twister.txt
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```
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You can also use the text stored in your clipboard (i.e., copied text). Select a text from anywhere (e.g., your web browser), copy it with `<ctrl>+C` or the context menu, then use the flag `--clipboard`:
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```bash
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python tts.py --clipboard
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# or shorter...
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python tts.py -c
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```
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### Labeling your outputs
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You can indicate a title to be used as label (i.e., file name prefix and directory name) to the generated outputs using `--title`
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```bash
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# This will put the generated files in ./outputs/simple-greeting/
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python tts.py "Hello there!" --title "simple-greeting"
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ls ./outputs/simple-greeting
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# or shorter
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python tts.py "Hello there! and Hi!" -t "simple-greetings"
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ls ./outputs/simple-greetings
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```
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### Voices
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Optionally, you can indicate a voice you want to use with the `--voice` flag. See [all voices available](https://huggingface.co/hexgrad/Kokoro-82M/blob/main/VOICES.md).
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```bash
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python tts.py --voice am_michael
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# or shorter...
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python tts.py -v am_michael
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```
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There are four shortcuts available to the best voices: `pro`, `hot`, `asmr`, `brit` (i.e., best trained voices), and `pro` is the default if no value is given
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```bash
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python tts.py "Hello there!" --voice pro # af_heart
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python tts.py "Hello there!" --voice hot # af_bella
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python tts.py "Hello there!" --voice asmr # af_nicole
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python tts.py "Hello there!" --voice brit # bf_emma
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```
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### Disable audio player
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You can disable the built-in audio player with `--skip_play` if you choose to play the audio files generated with your preferred player.
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```bash
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python tts.py "Hello there!" --voice asmr --skip_play
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# or shorter...
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python tts.py "Hello there!" --voice asmr -s
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```
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### Advanced usages
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The `--verbose` flag can be used to show more informative messages.
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```bash
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python tts.py --verbose
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```
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The `--device` or `-d` flag can be used to set the desired device (i.e., processor) to use:
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```bash
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python tts.py --device cpu # will use the cpu
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python tts.py --device cuda # will use the NVIDIA GPU
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python tts.py --device xpu # will use the Intel GPU
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```
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## Demo Outputs
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### Voice: pro (ah_heart)
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https://git.ayo.run/ayo/simple-tts/src/branch/main/demo/tongue-twister-af_heart-0.wav
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https://git.ayo.run/ayo/simple-tts/src/branch/main/demo/tongue-twister-af_heart-1.wav
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https://git.ayo.run/ayo/simple-tts/src/branch/main/demo/tongue-twister-af_heart-2.wav
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### Voice: asmr (ah_nicole)
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https://git.ayo.run/ayo/simple-tts/src/branch/main/demo/tongue-twister-af_nicole-0.wav
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https://git.ayo.run/ayo/simple-tts/src/branch/main/demo/tongue-twister-af_nicole-1.wav
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https://git.ayo.run/ayo/simple-tts/src/branch/main/demo/tongue-twister-af_nicole-2.wav
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### Screenshot
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