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20242026
most citedRecent Advances in Discrete Speech Tokens: A Review

1 citations · 1 across the 9 of their papers we have counts for

collaborators

11 papers

eess.AS2026

Read What You Hear: Reference-Free Hypotheses Evaluation with Acoustic Discrepancy

Zhihan Li, Hankun Wang, Yiwei Guo +3

Automatic speech recognition systems commonly rely on reference transcriptions for evaluation, while reference-free approaches often depend on internal confidence estimation or aux…

cs.SD2026

HoliTok: A Continuous Holistic Tokenization with Robust Dual Capabilities of Speech Generation and Understanding

Bohan Li, Shi Lian, Hankun Wang +6

Unified speech foundation models require a holistic tokenization space that is both learnable by language models and decodable into high-quality waveforms. Existing speech tokenize…

cs.SD2025

ISA-Bench: Benchmarking Instruction Sensitivity for Large Audio Language Models

Bohan Li, Wenbin Huang, Yuhang Qiu +7

Large Audio Language Models (LALMs), which couple acoustic perception with large language models (LLMs) to extract and understand diverse information from audio, have attracted int…

eess.AS2025

AHAMask: Reliable Task Specification for Large Audio Language Models without Instructions

Yiwei Guo, Bohan Li, Hankun Wang +4

Although current large audio language models (LALMs) extend text large language models (LLMs) with generic acoustic understanding abilities, they usually suffer from prompt sensiti…

cs.SD2025

Robust and Efficient Autoregressive Speech Synthesis with Dynamic Chunk-wise Prediction Policy

Bohan Li, Zhihan Li, Haoran Wang +5

Recently, autoregressive (AR) language models have emerged as a dominant approach in speech synthesis, offering expressive generation and scalable training. However, conventional A…

cs.SD2025

Towards General Discrete Speech Codec for Complex Acoustic Environments: A Study of Reconstruction and Downstream Task Consistency

Haoran Wang, Guanyu Chen, Bohan Li +5

Neural speech codecs excel in reconstructing clean speech signals; however, their efficacy in complex acoustic environments and downstream signal processing tasks remains underexpl…

eess.AS2025

Unlocking Temporal Flexibility: Neural Speech Codec with Variable Frame Rate

Hanglei Zhang, Yiwei Guo, Zhihan Li +3

Most neural speech codecs achieve bitrate adjustment through intra-frame mechanisms, such as codebook dropout, at a Constant Frame Rate (CFR). However, speech segments inherently h…

eess.AS2025★ 1 cited

Recent Advances in Discrete Speech Tokens: A Review

Yiwei Guo, Zhihan Li, Hankun Wang +7

The rapid advancement of speech generation technologies in the era of large language models (LLMs) has established discrete speech tokens as a foundational paradigm for speech repr…

eess.AS2024

Why Do Speech Language Models Fail to Generate Semantically Coherent Outputs? A Modality Evolving Perspective

Hankun Wang, Haoran Wang, Yiwei Guo +3

Although text-based large language models exhibit human-level writing ability and remarkable intelligence, speech language models (SLMs) still struggle to generate semantically coh…

eess.AS2024

LSCodec: Low-Bitrate and Speaker-Decoupled Discrete Speech Codec

Yiwei Guo, Zhihan Li, Chenpeng Du +3

Although discrete speech tokens have exhibited strong potential for language model-based speech generation, their high bitrates and redundant timbre information restrict the develo…

eess.AS2024

vec2wav 2.0: Advancing Voice Conversion via Discrete Token Vocoders

Yiwei Guo, Zhihan Li, Junjie Li +5

We propose a new speech discrete token vocoder, vec2wav 2.0, which advances voice conversion (VC). We use discrete tokens from speech self-supervised models as the content features…