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zhenye234

LLaSA_training

LLaSA: Scaling Train-time and Inference-time Compute for LLaMA-based Speech Synthesis.

ModelsAudio/Speech modelsPython
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Created 2025-01-08 · Updated 2026-10-10 · #15408 today
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zhenye234SeungyounShin

zhenye234/LLaSA_training is ranked 15,408 with 657 stars.

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Key parameters and specifications
Key parameters and specifications
ParameterValue
LanguagePython
CategoryModels
SubcategoryAudio/Speech models
KeywordsText-to-speech
Stars657
Forks50
Contributors2
Created date2025-01-08
Updated date2026-10-10
Stars in 1 day0
Stars in 7 days-1
Rank15,408
Previous rank15,221
Rank change-187
7-day stars rank17,768
Previous 7-day stars rank17,726
7-day stars rank change-42
Total stars rank15,629
Previous total stars rank15,603
Total stars rank change-26
CountryChina
README summary

Directly used on Hugging Face **Codec**: xcodec2 **TTS inference: Llasa-collections**: Llasa-collections **Update (2025-06-09):** Add Llasa finetune instruction. Awesome work based on Llasa LLaSa GRPO tuning : Special thanks to Seungyoun Shin from Channel Corp. for sharing the Llasa GRPO RL-tuning script based on Verl. You can try the finetuning results here: LLaSA 1B Multi-Speakers (Genshin-zh-en-ja-ko) LLaSA 1B Finetuned for Two Speakers **Update (2025-02-07):** Our paper has been released! Training

or Data 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. Data instruction 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.

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zhenye234/LLaSA_training has 657 stars and 50 forks.

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zhenye234/LLaSA_training is ranked 15,408.

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zhenye234/LLaSA_training has 657 stars, uses Python and belongs to Models.

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zhenye234/LLaSA_training is compared with bytedance/vidi, ranked 15,413 with 656 stars.

README

Directly used on Hugging Face

Codec: xcodec2

TTS inference: Llasa-collections: Llasa-collections

Update (2025-06-09): Add Llasa finetune instruction. Awesome work based on Llasa

Update (2025-02-07): Our paper has been released! Llasa 1b Multilingual version released!

Training

torchrun --nproc_per_node=8 train_tts.py config.json 

or

sbatch run_slurm.sh

Data

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.

Data instruction

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.

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