Efficient Streaming LLM for Speech Recognition
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Abstract (arXiv)
Recent works have shown that prompting large language models with audio encodings can unlock speech recognition capabilities. However, existing techniques do not scale efficiently, especially while handling long form streaming audio inputs -- not only do they extrapolate poorly beyond the audio length seen during training, but they are also computationally inefficient due to the quadratic cost of attention. In this work, we introduce SpeechLLM-XL, a linear scaling decoder-only model for streaming speech recognition. We process audios in configurable chunks using limited attention window for reduced computation, and the text tokens for each audio chunk are generated auto-regressively until an EOS is predicted. During training, the transcript is segmented into chunks, using a CTC forced alignment estimated from encoder output. SpeechLLM-XL with 1.28 seconds chunk size achieves 2.7%/6.7% WER on LibriSpeech test clean/other, and it shows no quality degradation on long form utterances 10x longer than the training utterances.
Key facts. Cited by 10 papers in the map (data through 7 Oct 2026). Builds on 31 of its 36 references that are in the map. First posted on arXiv 2 Oct 2024.
Builds on
31 of 36 references.
References · 31
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19 more
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Built on by
Citing papers per year: 2025: 5; 2026: 5.
10 papers.
- 2025Evaluation of LLMs in Speech is Often Flawed: Test Set Contamination in Large Language Models for Speech Recognitioncited by 9
- 2026Uni-ASR: Unified LLM-Based Architecture for Non-Streaming and Streaming Automatic Speech Recognitioncited by 5
- 2025MoME: Mixture of Matryoshka Experts for Audio-Visual Speech Recognitioncited by 4
- 2026Whisper-CD: Accurate Long-Form Speech Recognition using Multi-Negative Contrastive Decodingcited by 3
- 2025MFLA: Monotonic Finite Look-ahead Attention for Streaming Speech Recognitioncited by 1
- 2025PAC: Pronunciation-Aware Contextualized Large Language Model-based Automatic Speech Recognitioncited by 1
- 2026Adaptive Turn-Taking for Real-time Multi-Party Voice Agentscited by 1
- 2025WhisperRT -- Turning Whisper into a Causal Streaming Modelcited by 0
- 2026Decoder-only Conformer with Modality-aware Sparse Mixtures of Experts for ASRcited by 0
- 2026Forewarned is Forearmed: When Non-Sequential Embedding Turns Into an Anomaly Detectorcited by 0
- 2026Forewarned is Forearmed: When Non-Sequential Embedding Turns Into an Anomaly Detector29 Jun 2026
- 2026Adaptive Turn-Taking for Real-time Multi-Party Voice Agents11 Jun 2026
- 2026Uni-ASR: Unified LLM-Based Architecture for Non-Streaming and Streaming Automatic Speech Recognition11 Mar 2026
- 2026Whisper-CD: Accurate Long-Form Speech Recognition using Multi-Negative Contrastive Decoding6 Mar 2026
- 2026Decoder-only Conformer with Modality-aware Sparse Mixtures of Experts for ASR13 Feb 2026
- 2025MoME: Mixture of Matryoshka Experts for Audio-Visual Speech Recognition5 Oct 2025
- 2025PAC: Pronunciation-Aware Contextualized Large Language Model-based Automatic Speech Recognition16 Sep 2025
- 2025WhisperRT -- Turning Whisper into a Causal Streaming Model17 Aug 2025
- 2025MFLA: Monotonic Finite Look-ahead Attention for Streaming Speech Recognition4 Jun 2025
- 2025Evaluation of LLMs in Speech is Often Flawed: Test Set Contamination in Large Language Models for Speech Recognition28 May 2025