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Distilling an End-to-End Voice Assistant Without Instruction Training Data

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arxiv 2410.02678 v1 pith:P53EMQOY submitted 2024-10-03 cs.CL cs.AI

classification cs.CLcs.AI
keywords assistantllmsmodelsspeechtrainingvoicewithoutaudio
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

Voice assistants, such as Siri and Google Assistant, typically model audio and text separately, resulting in lost speech information and increased complexity. Recent efforts to address this with end-to-end Speech Large Language Models (LLMs) trained with supervised finetuning (SFT) have led to models ``forgetting" capabilities from text-only LLMs. Our work proposes an alternative paradigm for training Speech LLMs without instruction data, using the response of a text-only LLM to transcripts as self-supervision. Importantly, this process can be performed without annotated responses. We show that our Distilled Voice Assistant (DiVA) generalizes to Spoken Question Answering, Classification, and Translation. Furthermore, we show that DiVA better meets user preferences, achieving a 72\% win rate compared with state-of-the-art models like Qwen 2 Audio, despite using $>$100x less training compute.

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Forward citations

Cited by 10 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. AudioJudge: Understanding What Works in Large Audio Model Based Speech Evaluation

    cs.CL 2025-07 conditional novelty 7.0 of 10

    With prompt engineering (audio concatenation plus in-context examples), large audio models rank speech synthesis systems in line with human preferences, reaching up to 0.91 Spearman correlation.

  2. Compress the Cache, Not the Speech Embedding: KV Compression for Efficient Speech LLMs

    eess.AS 2026-07 conditional novelty 6.0 of 10

    Learned pooling of speech KV caches from an intermediate LLM layer compresses speech to text-level length while matching or exceeding the uncompressed baseline on ASR and entity recognition, with 1.49–2× decoding speedup.

  3. Speech-IFEval: Evaluating Instruction-Following and Quantifying Catastrophic Forgetting in Speech-Aware Language Models

    eess.AS 2025-05 conditional novelty 6.0 of 10

    Most speech-aware language models follow written output-format instructions far worse than their text-only base LLMs, and Speech-IFEval measures this as catastrophic forgetting.

  4. Audio Jailbreak: An Open Comprehensive Benchmark for Jailbreaking Large Audio-Language Models

    cs.SD 2025-05 conditional novelty 6.0 of 10

    AJailBench is an open benchmark showing that large audio-language models can be jailbroken through TTS-converted text attacks and through subtle acoustic perturbations that preserve speech semantics.

  5. Contrastive Learning for Task-Independent SpeechLLM-Pretraining

    cs.CL 2024-12 conditional novelty 6.0 of 10

    Contrastive pre-training that aligns speech and text across all model layers beats ASR-based pre-training and, with 10% of task data, matches or exceeds specialized models on translation and question answering.

  6. SpeechPrune: Context-aware Token Pruning for Speech Information Retrieval

    eess.AS 2024-12 conditional novelty 6.0 of 10

    A query-guided token pruning method improves speech-LLM accuracy on a new long-form audio benchmark while cutting computation.

  7. TESU-LLM: Training Speech-LLMs Without Speech via Unified Encoder Alignment

    cs.CL 2025-06 conditional novelty 5.0 of 10

    TESU-LLM shows that a frozen LLM can answer spoken queries after training only a 13M-parameter projector on text, using SeamlessM4T's shared speech-text encoder.

  8. Chain-of-Thought Training for Open E2E Spoken Dialogue Systems

    cs.CL 2025-05 conditional novelty 5.0 of 10

    Staged ASR-to-text-response-to-TTS training makes open end-to-end spoken dialogue systems trainable on 300 hours of public human-human data and more coherent than one-step speech-to-speech models.

  9. Speechless: Speech Instruction Training Without Speech for Low Resource Languages

    eess.AS 2025-05 conditional novelty 5.0 of 10

    Fine-tuning an LLM on text instructions converted to Whisper semantic tokens enables it to understand spoken instructions at inference, bypassing TTS and speech instruction data.

  10. Typhoon 2: A Family of Open Text and Multimodal Thai Large Language Models

    cs.CL 2024-12 conditional novelty 5.0 of 10

    Typhoon 2 improves Thai LLM performance through continual pre-training on curated Thai data and post-training, releasing text, vision, audio, and safety models.

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