activity
20232026
collaborators

11 papers

cs.SD2026

UniAE-MoE: A Unified Audio Encoder via Mixture of Experts

Shengbo Cai, Zhisheng Zhang, Zichao Nie +3

Large Audio Language Models (LALMs) rely on effective audio encoders for multi-task performance. We introduce UniAE-MoE, a unified audio encoder designed to model cross-domain audi…

cs.SD2026

Discrete vs. Continuous: A Comprehensive Study of Unified Audio Understanding in LALMs

Jing Peng, Zichao Nie, Zhisheng Zhang +2

Large Audio Language Models (LALMs) utilize either continuous features or discrete tokens, yet the optimal representation paradigm for general audio understanding remains debated.…

cs.SD2026

LeVo 2: Stable and Melodious Song Generation via Hierarchical Representation Modeling and Progressive Post-Training

Shun Lei, Huaicheng Zhang, Dapeng Wu +8

Full-length song generation must preserve coherence and musicality, render detailed vocal and accompaniment acoustics, and follow lyrics and prompts. Existing language model-based…

cs.SD2026

Self-Guidance: Enhancing Neural Codecs via Decoder Manifold Alignment

Xiang Li, Yixuan Zhou, Jingran Xie +2

Neural speech codecs based on Vector-Quantized VAEs (VQ-VAEs) are core audio tokenizers for speech LLMs, yet their reconstruction fidelity is bottlenecked by quantization error. Mo…

cs.SD2025

WAKE: Watermarking Audio with Key Enrichment

Yaoxun Xu, Jianwei Yu, Hangting Chen +5

As deep learning advances in audio generation, challenges in audio security and copyright protection highlight the need for robust audio watermarking. Recent neural network-based m…

cs.SD2025

LeVo: High-Quality Song Generation with Multi-Preference Alignment

Shun Lei, Yaoxun Xu, Zhiwei Lin +10

Recent advances in large language models (LLMs) and audio language models have significantly improved music generation, particularly in lyrics-to-song generation. However, existing…

cs.SD2025

VoiceMark: Zero-Shot Voice Cloning-Resistant Watermarking Approach Leveraging Speaker-Specific Latents

Haiyun Li, Zhiyong Wu, Xiaofeng Xie +3

Voice cloning (VC)-resistant watermarking is an emerging technique for tracing and preventing unauthorized cloning. Existing methods effectively trace traditional VC models by trai…

cs.CL2024

Comparing Discrete and Continuous Space LLMs for Speech Recognition

Yaoxun Xu, Shi-Xiong Zhang, Jianwei Yu +2

This paper investigates discrete and continuous speech representations in Large Language Model (LLM)-based Automatic Speech Recognition (ASR), organizing them by feature continuity…

eess.AS2024

HydraFormer: One Encoder For All Subsampling Rates

Yaoxun Xu, Xingchen Song, Zhiyong Wu +3

In automatic speech recognition, subsampling is essential for tackling diverse scenarios. However, the inadequacy of a single subsampling rate to address various real-world situati…

eess.AS2023

Consistent and Relevant: Rethink the Query Embedding in General Sound Separation

Yuanyuan Wang, Hangting Chen, Dongchao Yang +4

The query-based audio separation usually employs specific queries to extract target sources from a mixture of audio signals. Currently, most query-based separation models need addi…

cs.SD2023

SECap: Speech Emotion Captioning with Large Language Model

Yaoxun Xu, Hangting Chen, Jianwei Yu +6

Speech emotions are crucial in human communication and are extensively used in fields like speech synthesis and natural language understanding. Most prior studies, such as speech e…