All In Good Time: Causality-Aware Framework for LLM-Based Simultaneous Speech-to-Speech Translation

arXiv:2609.30416 · cs.CL · Submitted 2026-09-24 · Read on arXiv

cs.CL

Submitted: 2026-09-24

Updated: 2026-09-24

Code: https://github.com/AmirHussein96/FAST-CAP

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Alignment — 36× in this paper · explained in 1 episode
• Embeddings — 8× in this paper · explained in 2 episodes
• Fidelity — 8× in this paper · explained in 2 episodes
• Causality-Aware Adaptive Policy — 6× in this paper
• Aggregation — 5× in this paper · explained in 1 episode
• Cosine Similarity — 3× in this paper · explained in 3 episodes
• Montreal Forced Aligner — 3× in this paper
• Ablation — 2× in this paper · explained in 1 episode
• Accuracy — 2× in this paper · explained in 1 episode
• Large Language Models (LLMs) — 2× in this paper · explained in 6 episodes
• Perplexity — 2× in this paper · explained in 3 episodes
• Ablation study — 1× in this paper · explained in 1 episode
• Abundance — 1× in this paper · explained in 1 episode
• Alignment Methods — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Causality-Aware Average Lagging — 1× in this paper
• Decode — 1× in this paper · explained in 2 episodes
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Grounding — 1× in this paper · explained in 3 episodes
• Latent Representation — 1× in this paper · explained in 2 episodes
• Latent Representations — 1× in this paper · explained in 3 episodes
• Modularity — 1× in this paper · explained in 9 episodes
• Multimodal Inputs — 1× in this paper · explained in 2 episodes
• NeMo Forced Aligner — 1× in this paper
• Quantization — 1× in this paper · explained in 12 episodes
• Transfer Learning — 1× in this paper · explained in 10 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Is Prosody Lost in Translation? Fine-Grained Cross-Lingual Prosody Similarity Across Languages
• Bridging the Linguistic Divide: A Survey on Leveraging Large Language Models for Machine Translation
• Seamless: Multilingual Expressive and Streaming Speech Translation
• Can neural machine translation do simultaneous translation?
• Thinking Slow about Latency Evaluation for Simultaneous Machine Translation
• NeMo: a toolkit for building AI applications using Neural Modules
• Efficient and Adaptive Simultaneous Speech Translation with Fully Unidirectional Architecture
• Simultaneous Speech-to-Speech Translation Without Aligned Data

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