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leying zhang

8 accepted papers

2026

FlexiCodec: A Dynamic Neural Audio Codec for Low Frame Rates

ICLR 2026poster

Neural audio codecs are foundational to speech language models. It is expected to have a low frame rate and decoupled semantic and acoustic information. A lower frame rate codec can reduce the computational cost of speech language models by shortening the sequence length. Recent studies have develop…

Cited by 0SourcecodeScholar
2025

Advanced Zero-Shot Text-to-Speech for Background Removal and Preservation with Controllable Masked Speech Prediction

ICASSP 2025accepted

The acoustic background plays a crucial role in natural conversation. It provides context and helps listeners understand the environment, but a strong background makes it difficult for listeners to understand spoken words. The appropriate handling of these backgrounds is situation-dependent: Althoug…

Cited by 0SourceScholar
2025

CoVoMix2: Advancing Zero-Shot Dialogue Generation with Fully Non-Autoregressive Flow Matching

NeurIPS 2025poster

Generating natural-sounding, multi-speaker dialogue is crucial for applications such as podcast creation, virtual agents, and multimedia content generation. However, existing systems struggle to maintain speaker consistency, model overlapping speech, and synthesize coherent conversations efficiently…

Cited by 0SourceScholar
2025

SLIDE: Integrating Speech Language Model with LLM for Spontaneous Spoken Dialogue Generation

ICASSP 2025accepted

Recently, "textless" speech language models (SLMs) based on speech units have made huge progress in generating naturalistic speech, including non-verbal vocalizations. However, the generated speech samples often lack semantic coherence. In this paper, we propose SLM and LLM Integration for spontaneo…

Cited by 5SourceScholar
2024

CoVoMix: Advancing Zero-Shot Speech Generation for Human-like Multi-talker Conversations

NeurIPS 2024poster

Recent advancements in zero-shot text-to-speech (TTS) modeling have led to significant strides in generating high-fidelity and diverse speech. However, dialogue generation, along with achieving human-like naturalness in speech, continues to be a challenge. In this paper, we introduce CoVoMix: Conver…

2024

Generation-Based Target Speech Extraction with Speech Discretization and Vocoder

ICASSP 2024accepted

Target speech extraction (TSE) is a task aiming at isolating the speech of a specific target speaker from an audio mixture, with the help of an auxiliary recording of that target speaker. Most existing TSE methods employ discrimination-based models to estimate the target speaker’s proportion in the…

Cited by 0SourceScholar
2024

PromptTTS 2: Describing and Generating Voices with Text Prompt

ICLR 2024poster

Speech conveys more information than text, as the same word can be uttered in various voices to convey diverse information. Compared to traditional text-to-speech (TTS) methods relying on speech prompts (reference speech) for voice variability, using text prompts (descriptions) is more user-friendly…