Direct Simultaneous Translation Activation for Large Audio-Language Models

Fuente: arXiv
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Main Authors: Zhang, Pei, Wang, Yiming, Tang, Jialong, Yang, Baosong, Wang, Rui, Wong, Derek F., Huang, Fei
Format: Preprint
Published: 2025
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_version_ 1866911647654739968
author Zhang, Pei
Wang, Yiming
Tang, Jialong
Yang, Baosong
Wang, Rui
Wong, Derek F.
Huang, Fei
author_facet Zhang, Pei
Wang, Yiming
Tang, Jialong
Yang, Baosong
Wang, Rui
Wong, Derek F.
Huang, Fei
contents Simultaneous speech-to-text translation (Simul-S2TT) aims to translate speech into target text in real time, outputting translations while receiving source speech input, rather than waiting for the entire utterance to be spoken. Simul-S2TT research often modifies model architectures to implement read-write strategies. However, with the rise of large audio-language models (LALMs), a key challenge is how to directly activate Simul-S2TT capabilities in base models without additional architectural changes. In this paper, we introduce {\bf Simul}taneous {\bf S}elf-{\bf A}ugmentation ({\bf SimulSA}), a strategy that utilizes LALMs' inherent capabilities to obtain simultaneous data by randomly truncating speech and constructing partially aligned translation. By incorporating them into offline SFT data, SimulSA effectively bridges the distribution gap between offline translation during pretraining and simultaneous translation during inference. Experimental results demonstrate that augmenting only about {\bf 1\%} of the simultaneous data, compared to the full offline SFT data, can significantly activate LALMs' Simul-S2TT capabilities without modifications to model architecture or decoding strategy.
format Preprint
id arxiv_https___arxiv_org_abs_2509_15692
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Direct Simultaneous Translation Activation for Large Audio-Language Models
Zhang, Pei
Wang, Yiming
Tang, Jialong
Yang, Baosong
Wang, Rui
Wong, Derek F.
Huang, Fei
Sound
Computation and Language
Audio and Speech Processing
Simultaneous speech-to-text translation (Simul-S2TT) aims to translate speech into target text in real time, outputting translations while receiving source speech input, rather than waiting for the entire utterance to be spoken. Simul-S2TT research often modifies model architectures to implement read-write strategies. However, with the rise of large audio-language models (LALMs), a key challenge is how to directly activate Simul-S2TT capabilities in base models without additional architectural changes. In this paper, we introduce {\bf Simul}taneous {\bf S}elf-{\bf A}ugmentation ({\bf SimulSA}), a strategy that utilizes LALMs' inherent capabilities to obtain simultaneous data by randomly truncating speech and constructing partially aligned translation. By incorporating them into offline SFT data, SimulSA effectively bridges the distribution gap between offline translation during pretraining and simultaneous translation during inference. Experimental results demonstrate that augmenting only about {\bf 1\%} of the simultaneous data, compared to the full offline SFT data, can significantly activate LALMs' Simul-S2TT capabilities without modifications to model architecture or decoding strategy.
title Direct Simultaneous Translation Activation for Large Audio-Language Models
topic Sound
Computation and Language
Audio and Speech Processing
url https://arxiv.org/abs/2509.15692