2 min to read
Llasa 3B is an advanced open-source AI model that generates lifelike, emotionally expressive speech in English and Chinese. Built on the LLaMA framework, it integrates speech tokens via the XCodec2 architecture for seamless text-to-speech (TTS) and voice cloning capabilities[1][3][7]. While running it locally on Windows can be challenging, this guide simplifies the process with clear instructions, troubleshooting tips, and alternative solutions.
Before starting, ensure your system meets these requirements:
To run Llasa 3B on your Windows machine, follow these steps:
Why XCodec2?
XCodec2 is critical for decoding speech tokens into audio. Follow these steps:
Install XCodec2
pip install xcodec2==0.1.3
(Note: Use Python 3.9 to avoid compatibility issues)[4]
Create a Conda Environment
conda create -n llasa_tts python=3.9 -y
conda activate llasa_tts
Code Implementation
output.wav
will generate in your working directory.Run the Script
python text_to_speech.py
Save the Script
Create a file text_to_speech.py
and paste this code:
from transformers import AutoTokenizer, AutoModelForCausalLM
import torch
import soundfile as sf
from xcodec2.modeling_xcodec2 import XCodec2Model
# Initialize models
llasa_3b = 'HKUST-Audio/Llasa-3B'
tokenizer = AutoTokenizer.from_pretrained(llasa_3b)
model = AutoModelForCausalLM.from_pretrained(llasa_3b).eval().cuda()
Codec_model = XCodec2Model.from_pretrained("HKUST-Audio/xcodec2").eval().cuda()
# Customize your input text here
input_text = 'Dealing with family secrets is never easy. Yet, sometimes, omission is a form of protection...'
# Token processing functions (retain from original code)
# ... [include the same functions as in the original code] ...
# Generate and save audio
with torch.no_grad():
# ... [include the same generation logic as in the original code] ...
sf.write("output.wav", gen_wav[0, 0, :].cpu().numpy(), 16000)
Install Required Libraries
pip install torch transformers soundfile --extra-index-url https://download.pytorch.org/whl/cu118
Issue | Solution |
---|---|
CUDA Out of Memory | Reduce input text length or upgrade to a GPU with more VRAM. |
XCodec2 Errors | Reinstall xcodec2 in a fresh Conda environment with Python 3.9. |
Missing Dependencies | Ensure torch , transformers , and soundfile are CUDA-compatible. |
Use a Colab notebook to run Llasa 3B in the cloud[2]. Recommended for users with limited VRAM.
Run Llasa-3B-Long via Replicate’s API for a serverless experience[6].
While this guide focuses on standard TTS, Llasa 3B supports voice cloning by:
By following this guide, you’ll harness Llasa 3B’s capabilities directly on your Windows machine. Experiment with input texts, adjust parameters like temperature
for creativity, and explore voice cloning for personalized outputs.
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