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Zhendong Peng

5 accepted papers

2023

Fast-U2++: Fast and Accurate End-to-End Speech Recognition in Joint CTC/Attention Frames

ICASSP 2023accepted

Recently, the unified streaming and non-streaming two-pass (U2/U2++) end-to-end model for speech recognition has shown great performance in terms of streaming capability, accuracy and latency. In this paper, we present fast-U2++, an enhanced version of U2++ to further reduce partial latency. The cor…

Cited by 0SourceScholar
2023

LightGrad: Lightweight Diffusion Probabilistic Model for Text-to-Speech

ICASSP 2023accepted

Recent advances in neural text-to-speech (TTS) models bring thousands of TTS applications into daily life, where models are deployed in cloud to provide services for customs. Among these models are diffusion probabilistic models (DPMs), which can be stably trained and are more parameter-efficient co…

Cited by 0SourceScholar
2023

TrimTail: Low-Latency Streaming ASR with Simple But Effective Spectrogram-Level Length Penalty

ICASSP 2023accepted

In this paper, we present TrimTail, a simple but effective emission regularization method to improve the latency of streaming ASR models. The core idea of TrimTail is to apply length penalty (i.e., by trimming trailing frames, see Fig. 1-(b)) directly on the spectrogram of input utterances, which do…

Cited by 0SourceScholar
2022

WENETSPEECH: A 10000+ Hours Multi-Domain Mandarin Corpus for Speech Recognition

ICASSP 2022accepted

In this paper, we present WenetSpeech, a multi-domain Mandarin corpus consisting of 10000+ hours high-quality labeled speech, 2400+ hours weakly labeled speech, and about 10000 hours unlabeled speech, with 22400+ hours in total. We collect the data from YouTube and Podcast, which covers a variety of…

Cited by 0SourceScholar
2019

Non-local Self-attention Structure for Function Approximation in Deep Reinforcement Learning

ICASSP 2019accepted

Reinforcement learning is a framework to make sequential decisions. The combination with deep neural networks further improves the ability of this framework. Convolutional nerual networks make it possible to make sequential decisions based on raw pixels information directly and make reinforcement le…

Cited by 0SourceScholar