
LLaSA_training
LLaSA: Scaling Train-time and Inference-time Compute for LLaMA-based Speech Synthesis
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LLaSA_training is a repository focused on training models for speech synthesis using a large amount of open-source speech data. The repository provides instructions for finetuning models and offers pre-trained models for multilingual speech synthesis. It includes tools for training, data downloading, and data processing using specialized tokenizers for text and speech sequences. The repository also supports direct usage on Hugging Face platform with specific codecs and collections.
README:
Update (2025-02-13): Add Llasa finetune instruction. You can try the finetuning results here:
Update (2025-02-07): Our paper has been released! Llasa 1b Multilingual version released!
torchrun --nproc_per_node=8 train_tts.py config.json
or
sbatch run_slurm.sh
You can download tokenized open-source speech data here. This includes LibriHeavy, Emilia (in both Chinese and English), and WenetSpeech4TTS, totaling approximately 160,000 hours of open-source data.
Our models are trained on 250,000 hours of speech data. Of this, 160,000 hours come from the open-source datasets mentioned above, while the remaining 90,000 hours are from internal datasets, which are not yet available for open-source release.
Text_sequence is encoded by the text tokenizer from Llama, for example, Llama-3.2-1B-Instruct
Speech_sequence is extrated through X-codec2 We change the value of speech tokens by adding len(text tokenizer) +8 special tokens thereby forming a unified tokenizer that encompasses both speech and text.
Codec: xcodec2
Llasa-collections: Llasa-collections
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