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johntsi/
nllb-200-distilled-600M_covost2_en-to-15

Name: nllb-200-distilled-600M_covost2_en-to-15
Availability: InStock

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Model Name

This is a multilingually fine-tuned version of NLLB based on nllb-200-distilled-600M using the text data of CoVoST2 (En -> 15).

It is part of the paper Pushing the Limits of Zero-shot End-to-end Speech Translation. Details for the fine-tuning process are available at Appendix D.

Usage

python

from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

tokenizer = AutoTokenizer.from_pretrained("johntsi/nllb-200-distilled-600M_covost2_en-to-15")
model = AutoModelForSeq2SeqLM.from_pretrained("johntsi/nllb-200-distilled-600M_covost2_en-to-15")

model.eval()
model.to("cuda")

text = "Translate this text to German."
inputs = tokenizer(text, return_tensors="pt").to("cuda")
outputs = model.generate(
    **inputs,
    num_beams=5,
    forced_bos_token_id=tokenizer.lang_code_to_id["deu_Latn"]
)
translated_text = tokenizer.decode(outputs[0], skip_special_tokens=True)
print(translated_text)

Results

BLEU scores on CoVoST2 test

Model	Ar	Ca	Cy	De	Et	Fa	Id	Ja	Lv	Mn	Sl	Sv	Ta	Tr	Zh	Average
nllb-200-distilled-600M (original)	20.0	39.0	26.3	35.5	23.4	15.7	39.6	21.8	14.8	10.4	30.3	41.1	20.2	21.1	34.8	26.3
nllb-200-distilled-600M_covost2_en-to-15	28.5	46.3	35.5	37.1	31.5	29.2	45.2	38.4	29.1	22.0	37.7	45.4	29.9	23.0	46.7	35.0
nllb-200-distilled-1.3B (original)	23.3	43.5	33.5	37.9	27.9	16.6	41.9	23.0	20.0	13.1	35.1	43.8	21.7	23.8	37.5	29.5
nllb-200-distilled-1.3B_covost2_en-to-15	29.9	47.8	35.6	38.8	32.7	29.9	46.4	39.5	29.9	21.7	39.3	46.8	31.0	24.4	48.2	36.1

Citation

If you find these models useful for your research, please cite our paper :)

@inproceedings{tsiamas-etal-2024-pushing,
    title = {{Pushing the Limits of Zero-shot End-to-End Speech Translation}},
    author = "Tsiamas, Ioannis  and
      G{\'a}llego, Gerard  and
      Fonollosa, Jos{\'e}  and
      Costa-juss{\`a}, Marta",
    editor = "Ku, Lun-Wei  and
      Martins, Andre  and
      Srikumar, Vivek",
    booktitle = "Findings of the Association for Computational Linguistics ACL 2024",
    month = aug,
    year = "2024",
    address = "Bangkok, Thailand and virtual meeting",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2024.findings-acl.847",
    pages = "14245--14267",
}