activity
20232026
most citedZipformer: A faster and better encoder for automatic speech recognition

28 citations · 29 across the 10 of their papers we have counts for

collaborators

11 papers

cs.CL2026

OmniVoice: Towards Omnilingual Zero-Shot Text-to-Speech with Diffusion Language Models

Han Zhu, Lingxuan Ye, Wei Kang +7

We present OmniVoice, a massively multilingual zero-shot text-to-speech (TTS) model that scales to over 600 languages. At its core is a novel diffusion language model-style discret…

eess.AS2025

Flow2GAN: Hybrid Flow Matching and GAN with Multi-Resolution Network for Few-step High-Fidelity Audio Generation

Zengwei Yao, Wei Kang, Han Zhu +8

Existing dominant methods for audio generation include Generative Adversarial Networks (GANs) and diffusion-based methods like Flow Matching. GANs suffer from slow convergence duri…

eess.AS2025

ZipVoice-Dialog: Non-Autoregressive Spoken Dialogue Generation with Flow Matching

Han Zhu, Wei Kang, Liyong Guo +11

Generating spoken dialogue is inherently more complex than monologue text-to-speech (TTS), as it demands both realistic turn-taking and the maintenance of distinct speaker timbres.…

eess.AS2025

ZipVoice: Fast and High-Quality Zero-Shot Text-to-Speech with Flow Matching

Han Zhu, Wei Kang, Zengwei Yao +6

Existing large-scale zero-shot text-to-speech (TTS) models deliver high speech quality but suffer from slow inference speeds due to massive parameters. To address this issue, this…

eess.AS2024

k2SSL: A Faster and Better Framework for Self-Supervised Speech Representation Learning

Yifan Yang, Jianheng Zhuo, Zengrui Jin +9

Self-supervised learning (SSL) has achieved great success in speech-related tasks. While Transformer and Conformer architectures have dominated SSL backbones, encoders like Zipform…

eess.AS2024

CR-CTC: Consistency regularization on CTC for improved speech recognition

Zengwei Yao, Wei Kang, Xiaoyu Yang +7

Connectionist Temporal Classification (CTC) is a widely used method for automatic speech recognition (ASR), renowned for its simplicity and computational efficiency. However, it of…

cs.CL2024

SUBLLM: A Novel Efficient Architecture with Token Sequence Subsampling for LLM

Quandong Wang, Yuxuan Yuan, Xiaoyu Yang +6

While Large Language Models (LLMs) have achieved remarkable success in various fields, the efficiency of training and inference remains a major challenge. To address this issue, we…

eess.AS2023★ 28 cited

Zipformer: A faster and better encoder for automatic speech recognition

Zengwei Yao, Liyong Guo, Xiaoyu Yang +6

The Conformer has become the most popular encoder model for automatic speech recognition (ASR). It adds convolution modules to a transformer to learn both local and global dependen…

eess.AS2023★ 1 cited

Libriheavy: a 50,000 hours ASR corpus with punctuation casing and context

Wei Kang, Xiaoyu Yang, Zengwei Yao +5

In this paper, we introduce Libriheavy, a large-scale ASR corpus consisting of 50,000 hours of read English speech derived from LibriVox. To the best of our knowledge, Libriheavy i…

eess.AS2023

PromptASR for contextualized ASR with controllable style

Xiaoyu Yang, Wei Kang, Zengwei Yao +5

Prompts are crucial to large language models as they provide context information such as topic or logical relationships. Inspired by this, we propose PromptASR, a framework that in…

eess.AS2023

Towards Universal Speech Discrete Tokens: A Case Study for ASR and TTS

Yifan Yang, Feiyu Shen, Chenpeng Du +4

Self-supervised learning (SSL) proficiency in speech-related tasks has driven research into utilizing discrete tokens for speech tasks like recognition and translation, which offer…