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We propose a novel procedure to generate pseudo mandarin speech data named as CAMP (character audio mix up), which aims at generating audio from a character scale. We also raise a method for building a mandarin character scale audio…

Sound · Computer Science 2022-10-25 Zeping Min , Qian Ge , Zhong Li

Automatic speech recognition (ASR) systems are typically optimized for verbatim transcription, which preserves disfluencies, filler words, and informal spoken structures that are often unsuitable for downstream writing-oriented…

Computation and Language · Computer Science 2026-05-20 Wanyi Ning , Yinshang Guo , Haitao Qian , Jiyuan Cheng , Weiyuan Feng , Yufei Zhang

We present EasyASR, a distributed machine learning platform for training and serving large-scale Automatic Speech Recognition (ASR) models, as well as collecting and processing audio data at scale. Our platform is built upon the Machine…

Computation and Language · Computer Science 2020-10-27 Chengyu Wang , Mengli Cheng , Xu Hu , Jun Huang

Recent progress in speech processing has highlighted that high-quality performance across languages requires substantial training data for each individual language. While existing multilingual datasets cover many languages, they often…

Computation and Language · Computer Science 2025-10-28 Samuel Pfisterer , Florian Grötschla , Luca A. Lanzendörfer , Florian Yan , Roger Wattenhofer

Non-autoregressive (NAR) automatic speech recognition (ASR) models predict tokens independently and simultaneously, bringing high inference speed. However, there is still a gap in the accuracy of the NAR models compared to the…

Sound · Computer Science 2025-01-10 Ziyang Zhuang , Chenfeng Miao , Kun Zou , Ming Fang , Tao Wei , Zijian Li , Ning Cheng , Wei Hu , Shaojun Wang , Jing Xiao

This paper presents BSTC (Baidu Speech Translation Corpus), a large-scale Chinese-English speech translation dataset. This dataset is constructed based on a collection of licensed videos of talks or lectures, including about 68 hours of…

Computation and Language · Computer Science 2021-04-28 Ruiqing Zhang , Xiyang Wang , Chuanqiang Zhang , Zhongjun He , Hua Wu , Zhi Li , Haifeng Wang , Ying Chen , Qinfei Li

Lip-to-speech (L2S) synthesis for Mandarin is a significant challenge, hindered by complex viseme-to-phoneme mappings and the critical role of lexical tones in intelligibility. To address this issue, we propose Lexical Tone-Aware…

Sound · Computer Science 2025-10-01 Kang Yang , Yifan Liang , Fangkun Liu , Zhenping Xie , Chengshi Zheng

In audio-driven video generation, creating Mandarin videos presents significant challenges. Collecting comprehensive Mandarin datasets is difficult, and the complex lip movements in Mandarin further complicate model training compared to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Sheng Shi , Xuyang Cao , Jun Zhao , Guoxin Wang

The choice of modeling units is crucial for automatic speech recognition (ASR) tasks. In mandarin scenarios, the Chinese characters represent meaning but are not directly related to the pronunciation. Thus only considering the writing of…

Computation and Language · Computer Science 2022-10-19 Yuting Yang , Binbin Du , Yuke Li

Mainstream Automatic Speech Recognition (ASR) systems excel at transcribing lexical content, but largely fail to recognize nonverbal vocalizations (NVs) embedded in speech, such as sighs, laughs, and coughs. This capability is important for…

Sound · Computer Science 2025-09-26 Jialong Mai , Jinxin Ji , Xiaofen Xing , Chen Yang , Weidong Chen , Jingyuan Xing , Xiangmin Xu

Automatic Speech Recognition (ASR) is greatly developed in recent years, which expedites many applications on other fields. For the ASR research, speech corpus is always an essential foundation, especially for the vertical industry, such as…

Computation and Language · Computer Science 2021-02-17 Bo Yang , Xianlong Tan , Zhengmao Chen , Bing Wang , Dan Li , Zhongping Yang , Xiping Wu , Yi Lin

We introduce SPGISpeech 2.0, a dataset suitable for speaker-tagged transcription in the financial domain. SPGISpeech 2.0 improves the diversity of applicable modeling tasks while maintaining the core characteristic of the original…

The performance of speech-processing models is heavily influenced by the speech corpus that is used for training and evaluation. In this study, we propose BAlanced Script PROducer (BASPRO) system, which can automatically construct a…

Neural and Evolutionary Computing · Computer Science 2023-01-11 Yu-Wen Chen , Hsin-Min Wang , Yu Tsao

Recently, there has been an increasing interest in neural speech synthesis. While the deep neural network achieves the state-of-the-art result in text-to-speech (TTS) tasks, how to generate a more emotional and more expressive speech is…

Computation and Language · Computer Science 2021-06-24 Chenye Cui , Yi Ren , Jinglin Liu , Feiyang Chen , Rongjie Huang , Ming Lei , Zhou Zhao

Multilingual speech data often suffer from long-tailed language distribution, resulting in performance degradation. However, multilingual text data is much easier to obtain, yielding a more useful general language model. Hence, we are…

Computation and Language · Computer Science 2022-06-28 Kwanghee Choi , Hyung-Min Park

Incremental learning is one paradigm to enable model building and updating at scale with streaming data. For end-to-end automatic speech recognition (ASR) tasks, the absence of human annotated labels along with the need for privacy…

This paper presents the CUHK-EE voice cloning system for ICASSP 2021 M2VoC challenge. The challenge provides two Mandarin speech corpora: the AIShell-3 corpus of 218 speakers with noise and reverberation and the MST corpus including…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-06 Daxin Tan , Hingpang Huang , Guangyan Zhang , Tan Lee

Training data cleaning is a new application for generative model-based speech restoration (SR). This paper introduces Miipher-2, an SR model designed for million-hour scale data, for training data cleaning for large-scale generative models…

Automatic speech recognition for low-resource languages remains fundamentally constrained by the scarcity of labeled data and computational resources required by state-of-the-art models. We present a systematic investigation into…

Computation and Language · Computer Science 2025-12-09 Srihari Bandarupalli , Bhavana Akkiraju , Charan Devarakonda , Vamsiraghusimha Narsinga , Anil Kumar Vuppala