Search Results for author: Lei Xie

Found 172 papers, 42 papers with code

NTU-NPU System for Voice Privacy 2024 Challenge

no code implementations3 Oct 2024 Nikita Kuzmin, Hieu-Thi Luong, Jixun Yao, Lei Xie, Kong Aik Lee, Eng Siong Chng

In this work, we describe our submissions for the Voice Privacy Challenge 2024.

Takin-VC: Zero-shot Voice Conversion via Jointly Hybrid Content and Memory-Augmented Context-Aware Timbre Modeling

no code implementations2 Oct 2024 Yuguang Yang, Yu Pan, Jixun Yao, Xiang Zhang, Jianhao Ye, Hongbin Zhou, Lei Xie, Lei Ma, Jianjun Zhao

Zero-shot voice conversion (VC) aims to transform the source speaker timbre into an arbitrary unseen one without altering the original speech content. While recent advancements in zero-shot VC methods have shown remarkable progress, there still remains considerable potential for improvement in terms of improving speaker similarity and speech naturalness. In this paper, we propose Takin-VC, a novel zero-shot VC framework based on jointly hybrid content and memory-augmented context-aware timbre modeling to tackle this challenge.

Ideal-LLM: Integrating Dual Encoders and Language-Adapted LLM for Multilingual Speech-to-Text

no code implementations17 Sep 2024 Hongfei Xue, Wei Ren, Xuelong Geng, Kun Wei, Longhao Li, Qijie Shao, Linju Yang, Kai Diao, Lei Xie

Integrating audio encoders with LLMs through connectors has enabled these models to process and comprehend audio modalities, significantly enhancing speech-to-text tasks, including automatic speech recognition (ASR) and automatic speech translation (AST).

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

Findings of the 2024 Mandarin Stuttering Event Detection and Automatic Speech Recognition Challenge

no code implementations9 Sep 2024 Hongfei Xue, Rong Gong, Mingchen Shao, Xin Xu, Lezhi Wang, Lei Xie, Hui Bu, Jiaming Zhou, Yong Qin, Jun Du, Ming Li, BinBin Zhang, Bin Jia

The StutteringSpeech Challenge focuses on advancing speech technologies for people who stutter, specifically targeting Stuttering Event Detection (SED) and Automatic Speech Recognition (ASR) in Mandarin.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

NPU-NTU System for Voice Privacy 2024 Challenge

no code implementations6 Sep 2024 Jixun Yao, Nikita Kuzmin, Qing Wang, Pengcheng Guo, Ziqian Ning, Dake Guo, Kong Aik Lee, Eng-Siong Chng, Lei Xie

Our system employs a disentangled neural codec architecture and a serial disentanglement strategy to gradually disentangle the global speaker identity and time-variant linguistic content and paralinguistic information.

Disentanglement

Towards Rehearsal-Free Multilingual ASR: A LoRA-based Case Study on Whisper

no code implementations20 Aug 2024 Tianyi Xu, Kaixun Huang, Pengcheng Guo, Yu Zhou, Longtao Huang, Hui Xue, Lei Xie

Pre-trained multilingual speech foundation models, like Whisper, have shown impressive performance across different languages.

The NPU-ASLP System Description for Visual Speech Recognition in CNVSRC 2024

1 code implementation5 Aug 2024 He Wang, Lei Xie

This paper delineates the visual speech recognition (VSR) system introduced by the NPU-ASLP (Team 237) in the second Chinese Continuous Visual Speech Recognition Challenge (CNVSRC 2024), engaging in all four tracks, including the fixed and open tracks of Single-Speaker VSR Task and Multi-Speaker VSR Task.

Decoder speech-recognition +1

StreamVoice+: Evolving into End-to-end Streaming Zero-shot Voice Conversion

no code implementations5 Aug 2024 Zhichao Wang, Yuanzhe Chen, Xinsheng Wang, Lei Xie, Yuping Wang

StreamVoice+ integrates a semantic encoder and a connector with the original StreamVoice framework, now trained using a non-streaming ASR.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +3

Learning Multi-view Anomaly Detection

no code implementations16 Jul 2024 Haoyang He, Jiangning Zhang, Guanzhong Tian, Chengjie Wang, Lei Xie

This study explores the recently proposed challenging multi-view Anomaly Detection (AD) task.

Anomaly Detection

MUSA: Multi-lingual Speaker Anonymization via Serial Disentanglement

no code implementations16 Jul 2024 Jixun Yao, Qing Wang, Pengcheng Guo, Ziqian Ning, Yuguang Yang, Yu Pan, Lei Xie

Meanwhile, we propose a straightforward anonymization strategy that employs empty embedding with zero values to simulate the speaker identity concealment process, eliminating the need for conversion to a pseudo-speaker identity and thereby reducing the complexity of speaker anonymization process.

Disentanglement

AI-driven multi-omics integration for multi-scale predictive modeling of causal genotype-environment-phenotype relationships

no code implementations8 Jul 2024 You Wu, Lei Xie

Despite the wealth of single-cell multi-omics data, it remains challenging to predict the consequences of novel genetic and chemical perturbations in the human body.

Data Integration

DualVC 3: Leveraging Language Model Generated Pseudo Context for End-to-end Low Latency Streaming Voice Conversion

no code implementations12 Jun 2024 Ziqian Ning, Shuai Wang, Pengcheng Zhu, Zhichao Wang, Jixun Yao, Lei Xie, Mengxiao Bi

With speaker-independent semantic tokens to guide the training of the content encoder, the dependency on ASR is removed and the model can operate under extremely small chunks, with cascading errors eliminated.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +4

SCDNet: Self-supervised Learning Feature-based Speaker Change Detection

no code implementations12 Jun 2024 Yue Li, Xinsheng Wang, Li Zhang, Lei Xie

Furthermore, a contrastive learning method is proposed to mitigate the overfitting tendencies in the training of both the fine-tuning-based method and SCDNet.

Change Detection Contrastive Learning +1

Single-Codec: Single-Codebook Speech Codec towards High-Performance Speech Generation

no code implementations11 Jun 2024 Hanzhao Li, Liumeng Xue, Haohan Guo, Xinfa Zhu, YuanJun Lv, Lei Xie, Yunlin Chen, Hao Yin, Zhifei Li

The multi-codebook speech codec enables the application of large language models (LLM) in TTS but bottlenecks efficiency and robustness due to multi-sequence prediction.

BS-PLCNet 2: Two-stage Band-split Packet Loss Concealment Network with Intra-model Knowledge Distillation

no code implementations10 Jun 2024 Zihan Zhang, Xianjun Xia, Chuanzeng Huang, Yijian Xiao, Lei Xie

Moreover, we introduce a lightweight post-processing module after packet loss restoration to recover speech distortions and remove residual noise in the audio signal.

Knowledge Distillation Packet Loss Concealment

WenetSpeech4TTS: A 12,800-hour Mandarin TTS Corpus for Large Speech Generation Model Benchmark

1 code implementation9 Jun 2024 Linhan Ma, Dake Guo, Kun Song, Yuepeng Jiang, Shuai Wang, Liumeng Xue, Weiming Xu, Huan Zhao, BinBin Zhang, Lei Xie

Furthermore, we have created subsets of varying sizes, categorized by segment quality scores to allow for TTS model training and fine-tuning.

Text to Speech

A Comprehensive Library for Benchmarking Multi-class Visual Anomaly Detection

1 code implementation5 Jun 2024 Jiangning Zhang, Haoyang He, Zhenye Gan, Qingdong He, Yuxuan Cai, Zhucun Xue, Yabiao Wang, Chengjie Wang, Lei Xie, Yong liu

This paper addresses this issue by proposing a comprehensive visual anomaly detection benchmark, ADer, which is a modular framework that is highly extensible for new methods.

Anomaly Detection Benchmarking +1

Distinctive and Natural Speaker Anonymization via Singular Value Transformation-assisted Matrix

no code implementations17 May 2024 Jixun Yao, Qing Wang, Pengcheng Guo, Ziqian Ning, Lei Xie

To address these issues and especially generate more natural and distinctive anonymized speech, we propose a novel speaker anonymization approach that models a matrix related to speaker identity and transforms it into an anonymized singular value transformation-assisted matrix to conceal the original speaker identity.

Speaker Verification

MMGER: Multi-modal and Multi-granularity Generative Error Correction with LLM for Joint Accent and Speech Recognition

no code implementations6 May 2024 Bingshen Mu, Yangze Li, Qijie Shao, Kun Wei, Xucheng Wan, Naijun Zheng, Huan Zhou, Lei Xie

Accents represent deviations from standard pronunciation norms, and the multi-task learning framework for simultaneous ASR and accent recognition (AR) has effectively addressed the multi-accent scenarios, making it a prominent solution.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +4

Dynamic fault detection and diagnosis for alkaline water electrolyzer with variational Bayesian Sparse principal component analysis

no code implementations24 Apr 2024 Qi Zhang, Weihua Xu, Lei Xie, Hongye Su

Electrolytic hydrogen production serves as not only a vital source of green hydrogen but also a key strategy for addressing renewable energy consumption challenges.

Fault Detection

Dynamic fault detection and diagnosis of industrial alkaline water electrolyzer process with variational Bayesian dictionary learning

no code implementations15 Apr 2024 Qi Zhang, Lei Xie, Weihua Xu, Hongye Su

A novel robust dynamic variational Bayesian dictionary learning (RDVDL) monitoring approach is proposed to improve the reliability and safety of AWE operation.

Dictionary Learning Fault Detection

Nonlinear sparse variational Bayesian learning based model predictive control with application to PEMFC temperature control

no code implementations15 Apr 2024 Qi Zhang, Lei Wang, Weihua Xu, Hongye Su, Lei Xie

Variational inference is used by NSVB-MPC to assess the predictive accuracy and make the necessary corrections to quantify system uncertainty.

Model Predictive Control Variational Inference

Enhancing Lip Reading with Multi-Scale Video and Multi-Encoder

no code implementations8 Apr 2024 He Wang, Pengcheng Guo, Xucheng Wan, Huan Zhou, Lei Xie

Automatic lip-reading (ALR) aims to automatically transcribe spoken content from a speaker's silent lip motion captured in video.

Lipreading Lip Reading +1

Facilitating Reinforcement Learning for Process Control Using Transfer Learning: Perspectives

no code implementations30 Mar 2024 Runze Lin, Junghui Chen, Lei Xie, Hongye Su, Biao Huang

This paper provides insights into deep reinforcement learning (DRL) for process control from the perspective of transfer learning.

reinforcement-learning Reinforcement Learning +1

Anatomy-guided fiber trajectory distribution estimation for cranial nerves tractography

no code implementations29 Feb 2024 Lei Xie, Qingrun Zeng, Huajun Zhou, Guoqiang Xie, Mingchu Li, Jiahao Huang, Jianan Cui, Hao Chen, Yuanjing Feng

Diffusion MRI tractography is an important tool for identifying and analyzing the intracranial course of cranial nerves (CNs).

Anatomy

Approximate Message Passing-Enhanced Graph Neural Network for OTFS Data Detection

no code implementations15 Feb 2024 Wenhao Zhuang, Yuyi Mao, Hengtao He, Lei Xie, Shenghui Song, Yao Ge, Zhi Ding

Orthogonal time frequency space (OTFS) modulation has emerged as a promising solution to support high-mobility wireless communications, for which, cost-effective data detectors are critical.

Graph Neural Network

StreamVoice: Streamable Context-Aware Language Modeling for Real-time Zero-Shot Voice Conversion

no code implementations19 Jan 2024 Zhichao Wang, Yuanzhe Chen, Xinsheng Wang, Lei Xie, Yuping Wang

Specifically, to enable streaming capability, StreamVoice employs a fully causal context-aware LM with a temporal-independent acoustic predictor, while alternately processing semantic and acoustic features at each time step of autoregression which eliminates the dependence on complete source speech.

Language Modelling Voice Conversion

The NPU-ASLP-LiAuto System Description for Visual Speech Recognition in CNVSRC 2023

2 code implementations7 Jan 2024 He Wang, Pengcheng Guo, Wei Chen, Pan Zhou, Lei Xie

This paper delineates the visual speech recognition (VSR) system introduced by the NPU-ASLP-LiAuto (Team 237) in the first Chinese Continuous Visual Speech Recognition Challenge (CNVSRC) 2023, engaging in the fixed and open tracks of Single-Speaker VSR Task, and the open track of Multi-Speaker VSR Task.

Decoder speech-recognition +1

MLCA-AVSR: Multi-Layer Cross Attention Fusion based Audio-Visual Speech Recognition

no code implementations7 Jan 2024 He Wang, Pengcheng Guo, Pan Zhou, Lei Xie

While automatic speech recognition (ASR) systems degrade significantly in noisy environments, audio-visual speech recognition (AVSR) systems aim to complement the audio stream with noise-invariant visual cues and improve the system's robustness.

Audio-Visual Speech Recognition Automatic Speech Recognition +4

ICMC-ASR: The ICASSP 2024 In-Car Multi-Channel Automatic Speech Recognition Challenge

no code implementations7 Jan 2024 He Wang, Pengcheng Guo, Yue Li, Ao Zhang, Jiayao Sun, Lei Xie, Wei Chen, Pan Zhou, Hui Bu, Xin Xu, BinBin Zhang, Zhuo Chen, Jian Wu, Longbiao Wang, Eng Siong Chng, Sun Li

To promote speech processing and recognition research in driving scenarios, we build on the success of the Intelligent Cockpit Speech Recognition Challenge (ICSRC) held at ISCSLP 2022 and launch the ICASSP 2024 In-Car Multi-Channel Automatic Speech Recognition (ICMC-ASR) Challenge.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +3

LESEN: Label-Efficient deep learning for Multi-parametric MRI-based Visual Pathway Segmentation

no code implementations3 Jan 2024 Alou Diakite, Cheng Li, Lei Xie, Yuanjing Feng, Hua Han, Shanshan Wang

Recent research has shown the potential of deep learning in multi-parametric MRI-based visual pathway (VP) segmentation.

Segmentation

Modality Exchange Network for Retinogeniculate Visual Pathway Segmentation

no code implementations3 Jan 2024 Hua Han, Cheng Li, Lei Xie, Yuanjing Feng, Alou Diakite, Shanshan Wang

Secondly, we propose a cross-fusion module that further enhances the fusion of information between the two modalities.

Segmentation

SignGraph: A Sign Sequence is Worth Graphs of Nodes

1 code implementation CVPR 2024 Shiwei Gan, Yafeng Yin, Zhiwei Jiang, Hongkai Wen, Lei Xie, Sanglu Lu

In fact sign language tasks need to focus on the correlation of different regions in one frame and the interaction of different regions among adjacent frames for identifying a sign sequence.

U2-KWS: Unified Two-pass Open-vocabulary Keyword Spotting with Keyword Bias

no code implementations15 Dec 2023 Ao Zhang, Pan Zhou, Kaixun Huang, Yong Zou, Ming Liu, Lei Xie

Open-vocabulary keyword spotting (KWS), which allows users to customize keywords, has attracted increasingly more interest.

Decoder Keyword Spotting

SELM: Speech Enhancement Using Discrete Tokens and Language Models

no code implementations15 Dec 2023 Ziqian Wang, Xinfa Zhu, Zihan Zhang, YuanJun Lv, Ning Jiang, Guoqing Zhao, Lei Xie

Given the intrinsic similarity between speech generation and speech enhancement, harnessing semantic information holds potential advantages for speech enhancement tasks.

Self-Supervised Learning Speech Enhancement

Protein Language Model-Powered 3D Ligand Binding Site Prediction from Protein Sequence

no code implementations5 Dec 2023 Shuo Zhang, Lei Xie

Then we compute and update the protein-ligand interaction embedding based on the protein residue-level embeddings and ligand atom-level embeddings, and the geometric constraints in the inferred protein contact map and ligand distance map.

Drug Discovery Graph Neural Network +1

A Universal Framework for Accurate and Efficient Geometric Deep Learning of Molecular Systems

1 code implementation Scientific Reports 2023 Shuo Zhang, Yang Liu, Lei Xie

Molecular sciences address a wide range of problems involving molecules of different types and sizes and their complexes.

GPT-4V-AD: Exploring Grounding Potential of VQA-oriented GPT-4V for Zero-shot Anomaly Detection

1 code implementation5 Nov 2023 Jiangning Zhang, Haoyang He, Xuhai Chen, Zhucun Xue, Yabiao Wang, Chengjie Wang, Lei Xie, Yong liu

Large Multimodal Model (LMM) GPT-4V(ision) endows GPT-4 with visual grounding capabilities, making it possible to handle certain tasks through the Visual Question Answering (VQA) paradigm.

Anomaly Detection Question Answering +3

Boosting Multi-Speaker Expressive Speech Synthesis with Semi-supervised Contrastive Learning

no code implementations26 Oct 2023 Xinfa Zhu, Yuke Li, Yi Lei, Ning Jiang, Guoqing Zhao, Lei Xie

This paper aims to build a multi-speaker expressive TTS system, synthesizing a target speaker's speech with multiple styles and emotions.

Contrastive Learning Expressive Speech Synthesis

Conversational Speech Recognition by Learning Audio-textual Cross-modal Contextual Representation

no code implementations22 Oct 2023 Kun Wei, Bei Li, Hang Lv, Quan Lu, Ning Jiang, Lei Xie

By introducing both cross-modal and conversational representations into the decoder, our model retains context over longer sentences without information loss, achieving relative accuracy improvements of 8. 8% and 23% on Mandarin conversation datasets HKUST and MagicData-RAMC, respectively, compared to the standard Conformer model.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

Spike-Triggered Contextual Biasing for End-to-End Mandarin Speech Recognition

no code implementations7 Oct 2023 Kaixun Huang, Ao Zhang, BinBin Zhang, Tianyi Xu, Xingchen Song, Lei Xie

However, unlike shallow fusion methods that directly bias the posterior of the ASR model, deep biasing methods implicitly integrate contextual information, making it challenging to control the degree of bias.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

An Exploration of Task-decoupling on Two-stage Neural Post Filter for Real-time Personalized Acoustic Echo Cancellation

no code implementations7 Oct 2023 Zihan Zhang, Jiayao Sun, Xianjun Xia, Ziqian Wang, Xiaopeng Yan, Yijian Xiao, Lei Xie

Utilization of speaker representation has extended the frontier of AEC, thus attracting many researchers' interest in personalized acoustic echo cancellation (PAEC).

Acoustic echo cancellation Speech Enhancement

MBTFNet: Multi-Band Temporal-Frequency Neural Network For Singing Voice Enhancement

no code implementations6 Oct 2023 Weiming Xu, Zhouxuan Chen, Zhili Tan, Shubo Lv, Runduo Han, Wenjiang Zhou, Weifeng Zhao, Lei Xie

A typical neural speech enhancement (SE) approach mainly handles speech and noise mixtures, which is not optimal for singing voice enhancement scenarios.

Music Source Separation Speech Enhancement

PromptVC: Flexible Stylistic Voice Conversion in Latent Space Driven by Natural Language Prompts

no code implementations17 Sep 2023 Jixun Yao, Yuguang Yang, Yi Lei, Ziqian Ning, Yanni Hu, Yu Pan, JingJing Yin, Hongbin Zhou, Heng Lu, Lei Xie

In this study, we propose PromptVC, a novel style voice conversion approach that employs a latent diffusion model to generate a style vector driven by natural language prompts.

Voice Conversion

MSM-VC: High-fidelity Source Style Transfer for Non-Parallel Voice Conversion by Multi-scale Style Modeling

no code implementations3 Sep 2023 Zhichao Wang, Xinsheng Wang, Qicong Xie, Tao Li, Lei Xie, Qiao Tian, Yuping Wang

In addition to conveying the linguistic content from source speech to converted speech, maintaining the speaking style of source speech also plays an important role in the voice conversion (VC) task, which is essential in many scenarios with highly expressive source speech, such as dubbing and data augmentation.

Data Augmentation Disentanglement +3

Surrogate Empowered Sim2Real Transfer of Deep Reinforcement Learning for ORC Superheat Control

no code implementations5 Aug 2023 Runze Lin, Yangyang Luo, Xialai Wu, Junghui Chen, Biao Huang, Lei Xie, Hongye Su

The Organic Rankine Cycle (ORC) is widely used in industrial waste heat recovery due to its simple structure and easy maintenance.

reinforcement-learning Transfer Learning

METTS: Multilingual Emotional Text-to-Speech by Cross-speaker and Cross-lingual Emotion Transfer

no code implementations29 Jul 2023 Xinfa Zhu, Yi Lei, Tao Li, Yongmao Zhang, Hongbin Zhou, Heng Lu, Lei Xie

However, such data-efficient approaches have ignored synthesizing emotional aspects of speech due to the challenges of cross-speaker cross-lingual emotion transfer - the heavy entanglement of speaker timbre, emotion, and language factors in the speech signal will make a system produce cross-lingual synthetic speech with an undesired foreign accent and weak emotion expressiveness.

Disentanglement Diversity +3

Learning Universal and Robust 3D Molecular Representations with Graph Convolutional Networks

no code implementations24 Jul 2023 Shuo Zhang, Yang Liu, Li Xie, Lei Xie

To combine the DNP descriptor and chemical features in molecules, we construct the Robust Molecular Graph Convolutional Network (RoM-GCN) which is capable to take both node and edge features into consideration when generating molecule representations.

Bundle-specific Tractogram Distribution Estimation Using Higher-order Streamline Differential Equation

1 code implementation6 Jul 2023 Yuanjing Feng, Lei Xie, Jingqiang Wang, Qiyuan Tian, Jianzhong He, Qingrun Zeng, Fei Gao

At the global level, the tractography process is simplified as the estimation of bundle-specific tractogram distribution (BTD) coefficients by minimizing the energy optimization model, and is used to characterize the relations between BTD and diffusion tensor vector under the prior guidance by introducing the tractogram bundle information to provide anatomic priors.

MSW-Transformer: Multi-Scale Shifted Windows Transformer Networks for 12-Lead ECG Classification

no code implementations21 Jun 2023 Renjie Cheng, Zhemin Zhuang, Shuxin Zhuang, Lei Xie, Jingfeng Guo

To address these challenges, we propose a single-layer Transformer network called Multi-Scale Shifted Windows Transformer Networks (MSW-Transformer), which uses a multi-window sliding attention mechanism at different scales to capture features in different dimensions.

Classification ECG Classification

LM-VC: Zero-shot Voice Conversion via Speech Generation based on Language Models

no code implementations18 Jun 2023 Zhichao Wang, Yuanzhe Chen, Lei Xie, Qiao Tian, Yuping Wang

An intuitive approach is to follow AudioLM - Tokenizing speech into semantic and acoustic tokens respectively by HuBERT and SoundStream, and converting source semantic tokens to target acoustic tokens conditioned on acoustic tokens of the target speaker.

Audio Generation Disentanglement +2

Adaptive Contextual Biasing for Transducer Based Streaming Speech Recognition

no code implementations1 Jun 2023 Tianyi Xu, Zhanheng Yang, Kaixun Huang, Pengcheng Guo, Ao Zhang, Biao Li, Changru Chen, Chao Li, Lei Xie

By incorporating additional contextual information, deep biasing methods have emerged as a promising solution for speech recognition of personalized words.

speech-recognition Speech Recognition

TranUSR: Phoneme-to-word Transcoder Based Unified Speech Representation Learning for Cross-lingual Speech Recognition

no code implementations23 May 2023 Hongfei Xue, Qijie Shao, Peikun Chen, Pengcheng Guo, Lei Xie, Jie Liu

Different from UniSpeech, UniData2vec replaces the quantized discrete representations with continuous and contextual representations from a teacher model for phonetically-aware pre-training.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +4

BA-SOT: Boundary-Aware Serialized Output Training for Multi-Talker ASR

no code implementations23 May 2023 Yuhao Liang, Fan Yu, Yangze Li, Pengcheng Guo, Shiliang Zhang, Qian Chen, Lei Xie

The recently proposed serialized output training (SOT) simplifies multi-talker automatic speech recognition (ASR) by generating speaker transcriptions separated by a special token.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +3

DCCRN-KWS: an audio bias based model for noise robust small-footprint keyword spotting

no code implementations21 May 2023 Shubo Lv, Xiong Wang, Sining Sun, Long Ma, Lei Xie

Real-world complex acoustic environments especially the ones with a low signal-to-noise ratio (SNR) will bring tremendous challenges to a keyword spotting (KWS) system.

Denoising Multi-Task Learning +4

DualVC: Dual-mode Voice Conversion using Intra-model Knowledge Distillation and Hybrid Predictive Coding

no code implementations21 May 2023 Ziqian Ning, Yuepeng Jiang, Pengcheng Zhu, Jixun Yao, Shuai Wang, Lei Xie, Mengxiao Bi

Voice conversion is an increasingly popular technology, and the growing number of real-time applications requires models with streaming conversion capabilities.

Data Augmentation Decoder +2

Multi-level Temporal-channel Speaker Retrieval for Zero-shot Voice Conversion

no code implementations12 May 2023 Zhichao Wang, Liumeng Xue, Qiuqiang Kong, Lei Xie, Yuanzhe Chen, Qiao Tian, Yuping Wang

Specifically, to flexibly adapt to the dynamic-variant speaker characteristic in the temporal and channel axis of the speech, we propose a novel fine-grained speaker modeling method, called temporal-channel retrieval (TCR), to find out when and where speaker information appears in speech.

Disentanglement Retrieval +2

Joint BS Selection, User Association, and Beamforming Design for Network Integrated Sensing and Communication

no code implementations9 May 2023 Yiming Xu, Dongfang Xu, Lei Xie, Shenghui Song

Different from conventional radar, the cellular network in the integrated sensing and communication (ISAC) system enables collaborative sensing by multiple sensing nodes, e. g., base stations (BSs).

Diversity

The NPU-Elevoc Personalized Speech Enhancement System for ICASSP2023 DNS Challenge

1 code implementation13 Mar 2023 Xiaopeng Yan, Yindi Yang, Zhihao Guo, Liangliang Peng, Lei Xie

This paper describes our NPU-Elevoc personalized speech enhancement system (NAPSE) for the 5th Deep Noise Suppression Challenge at ICASSP 2023.

Speech Enhancement

Two-step Band-split Neural Network Approach for Full-band Residual Echo Suppression

no code implementations13 Mar 2023 Zihan Zhang, Shimin Zhang, Mingshuai Liu, Yanhong Leng, Zhe Han, Li Chen, Lei Xie

This paper describes a Two-step Band-split Neural Network (TBNN) approach for full-band acoustic echo cancellation.

Acoustic echo cancellation

Two Stage Contextual Word Filtering for Context bias in Unified Streaming and Non-streaming Transducer

no code implementations17 Jan 2023 Zhanheng Yang, Sining Sun, Xiong Wang, Yike Zhang, Long Ma, Lei Xie

In this paper, we propose an efficient approach to obtain a high quality contextual list for a unified streaming/non-streaming based E2E model.

Decoder

A Tribute to Phil Bourne -- Scientist and Human

no code implementations8 Dec 2022 Cameron Mura, Emma Candelier, Lei Xie

This Special Issue of Biomolecules, commissioned in honor of Dr. Philip E. Bourne, focuses on a new field of biomolecular data science.

ARC

MSV Challenge 2022: NPU-HC Speaker Verification System for Low-resource Indian Languages

no code implementations30 Nov 2022 Yue Li, Li Zhang, Namin Wang, Jie Liu, Lei Xie

Specifically, the weight transfer fine-tuning aims to constrain the distance of the weights between the pre-trained model and the fine-tuned model, which takes advantage of the previously acquired discriminative ability from the large-scale out-domain datasets and avoids catastrophic forgetting and overfitting at the same time.

Speaker Verification

Multi-Speaker Expressive Speech Synthesis via Multiple Factors Decoupling

no code implementations19 Nov 2022 Xinfa Zhu, Yi Lei, Kun Song, Yongmao Zhang, Tao Li, Lei Xie

This paper aims to synthesize the target speaker's speech with desired speaking style and emotion by transferring the style and emotion from reference speech recorded by other speakers.

Expressive Speech Synthesis

Delivering Speaking Style in Low-resource Voice Conversion with Multi-factor Constraints

no code implementations16 Nov 2022 Zhichao Wang, Xinsheng Wang, Lei Xie, Yuanzhe Chen, Qiao Tian, Yuping Wang

Conveying the linguistic content and maintaining the source speech's speaking style, such as intonation and emotion, is essential in voice conversion (VC).

Voice Conversion

Expressive-VC: Highly Expressive Voice Conversion with Attention Fusion of Bottleneck and Perturbation Features

no code implementations9 Nov 2022 Ziqian Ning, Qicong Xie, Pengcheng Zhu, Zhichao Wang, Liumeng Xue, Jixun Yao, Lei Xie, Mengxiao Bi

We further fuse the linguistic and para-linguistic features through an attention mechanism, where speaker-dependent prosody features are adopted as the attention query, which result from a prosody encoder with target speaker embedding and normalized pitch and energy of source speech as input.

Decoder Voice Conversion

Preserving background sound in noise-robust voice conversion via multi-task learning

no code implementations6 Nov 2022 Jixun Yao, Yi Lei, Qing Wang, Pengcheng Guo, Ziqian Ning, Lei Xie, Hai Li, Junhui Liu, Danming Xie

Background sound is an informative form of art that is helpful in providing a more immersive experience in real-application voice conversion (VC) scenarios.

Multi-Task Learning Voice Conversion

Distinguishable Speaker Anonymization based on Formant and Fundamental Frequency Scaling

no code implementations6 Nov 2022 Jixun Yao, Qing Wang, Yi Lei, Pengcheng Guo, Lei Xie, Namin Wang, Jie Liu

By directly scaling the formant and F0, the speaker distinguishability degradation of the anonymized speech caused by the introduction of other speakers is prevented.

Speaker Verification

WeKws: A production first small-footprint end-to-end Keyword Spotting Toolkit

1 code implementation30 Oct 2022 Jie Wang, Menglong Xu, Jingyong Hou, BinBin Zhang, Xiao-Lei Zhang, Lei Xie, Fuping Pan

Keyword spotting (KWS) enables speech-based user interaction and gradually becomes an indispensable component of smart devices.

Keyword Spotting

Physics-aware Graph Neural Network for Accurate RNA 3D Structure Prediction

1 code implementation28 Oct 2022 Shuo Zhang, Yang Liu, Lei Xie

In this work, we propose a Graph Neural Network (GNN)-based scoring function trained only with the atomic types and coordinates on limited solved RNA 3D structures for distinguishing accurate structural models.

Drug Discovery Graph Neural Network +1

TSUP Speaker Diarization System for Conversational Short-phrase Speaker Diarization Challenge

no code implementations26 Oct 2022 Bowen Pang, Huan Zhao, Gaosheng Zhang, Xiaoyue Yang, Yang Sun, Li Zhang, Qing Wang, Lei Xie

In this challenge, we explore three kinds of typical speaker diarization systems, which are spectral clustering(SC) based diarization, target-speaker voice activity detection(TS-VAD) and end-to-end neural diarization(EEND) respectively.

Action Detection Activity Detection +2

spatial-dccrn: dccrn equipped with frame-level angle feature and hybrid filtering for multi-channel speech enhancement

no code implementations17 Oct 2022 Shubo Lv, Yihui Fu, Yukai Jv, Lei Xie, Weixin Zhu, Wei Rao, Yannan Wang

Recently, multi-channel speech enhancement has drawn much interest due to the use of spatial information to distinguish target speech from interfering signal.

Denoising Speech Enhancement

NWPU-ASLP System for the VoicePrivacy 2022 Challenge

no code implementations24 Sep 2022 Jixun Yao, Qing Wang, Li Zhang, Pengcheng Guo, Yuhao Liang, Lei Xie

Our system consists of four modules, including feature extractor, acoustic model, anonymization module, and neural vocoder.

Speaker Verification

ParaTTS: Learning Linguistic and Prosodic Cross-sentence Information in Paragraph-based TTS

no code implementations14 Sep 2022 Liumeng Xue, Frank K. Soong, Shaofei Zhang, Lei Xie

To alleviate the difficulty in training, we propose to model linguistic and prosodic information by considering cross-sentence, embedded structure in training.

Position Sentence

Iterative Sparse Recovery based Passive Localization in Perceptive Mobile Networks

no code implementations22 Aug 2022 Lei Xie, Shenghui Song

As a result, most existing methods require a large number of data samples to achieve an accurate estimate of the covariance matrix for the received signals, based on which a power spectrum is constructed for localization purposes.

OLLIE: Derivation-based Tensor Program Optimizer

no code implementations2 Aug 2022 Liyan Zheng, Haojie Wang, Jidong Zhai, Muyan Hu, Zixuan Ma, Tuowei Wang, Shizhi Tang, Lei Xie, Kezhao Huang, Zhihao Jia

Boosting the runtime performance of deep neural networks (DNNs) is critical due to their wide adoption in real-world tasks.

Intelligent Reflecting Surface-Aided Maneuvering Target Sensing: True Velocity Estimation

no code implementations30 Jul 2022 Lei Xie, Xianghao Yu, S. H. Song

Maneuvering target sensing will be an important service of future vehicular networks, where precise velocity estimation is one of the core tasks.

Leveraging Acoustic Contextual Representation by Audio-textual Cross-modal Learning for Conversational ASR

no code implementations3 Jul 2022 Kun Wei, Yike Zhang, Sining Sun, Lei Xie, Long Ma

Then, during the training of the conversational ASR system, the extractor will be frozen to extract the textual representation of preceding speech, while such representation is used as context fed to the ASR decoder through attention mechanism.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

End-to-End Voice Conversion with Information Perturbation

no code implementations15 Jun 2022 Qicong Xie, Shan Yang, Yi Lei, Lei Xie, Dan Su

The ideal goal of voice conversion is to convert the source speaker's speech to sound naturally like the target speaker while maintaining the linguistic content and the prosody of the source speech.

Voice Conversion

Efficient and Accurate Physics-aware Multiplex Graph Neural Networks for 3D Small Molecules and Macromolecule Complexes

1 code implementation6 Jun 2022 Shuo Zhang, Yang Liu, Lei Xie

On small molecule dataset for predicting quantum chemical properties, PaxNet reduces the prediction error by 15% and uses 73% less memory than the best baseline.

Graph Neural Network Molecular Property Prediction +1

Open Source MagicData-RAMC: A Rich Annotated Mandarin Conversational(RAMC) Speech Dataset

no code implementations31 Mar 2022 Zehui Yang, Yifan Chen, Lei Luo, Runyan Yang, Lingxuan Ye, Gaofeng Cheng, Ji Xu, Yaohui Jin, Qingqing Zhang, Pengyuan Zhang, Lei Xie, Yonghong Yan

As a Mandarin speech dataset designed for dialog scenarios with high quality and rich annotations, MagicData-RAMC enriches the data diversity in the Mandarin speech community and allows extensive research on a series of speech-related tasks, including automatic speech recognition, speaker diarization, topic detection, keyword search, text-to-speech, etc.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +5

A Comparative Study on Speaker-attributed Automatic Speech Recognition in Multi-party Meetings

no code implementations31 Mar 2022 Fan Yu, Zhihao Du, Shiliang Zhang, Yuxiao Lin, Lei Xie

Therefore, we propose the second approach, WD-SOT, to address alignment errors by introducing a word-level diarization model, which can get rid of such timestamp alignment dependency.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

WeNet 2.0: More Productive End-to-End Speech Recognition Toolkit

3 code implementations29 Mar 2022 BinBin Zhang, Di wu, Zhendong Peng, Xingchen Song, Zhuoyuan Yao, Hang Lv, Lei Xie, Chao Yang, Fuping Pan, Jianwei Niu

Recently, we made available WeNet, a production-oriented end-to-end speech recognition toolkit, which introduces a unified two-pass (U2) framework and a built-in runtime to address the streaming and non-streaming decoding modes in a single model.

Decoder Language Modelling +2

An Audio-Visual Attention Based Multimodal Network for Fake Talking Face Videos Detection

no code implementations10 Mar 2022 Ganglai Wang, Peng Zhang, Lei Xie, Wei Huang, Yufei zha, Yanning Zhang

DeepFake based digital facial forgery is threatening the public media security, especially when lip manipulation has been used in talking face generation, the difficulty of fake video detection is further improved.

Decision Making Face Detection +2

Attention-Based Lip Audio-Visual Synthesis for Talking Face Generation in the Wild

no code implementations8 Mar 2022 Ganglai Wang, Peng Zhang, Lei Xie, Wei Huang, Yufei zha

Rather than focusing on the unimportant regions of the face image, the proposed AttnWav2Lip model is able to pay more attention on the lip region reconstruction.

Talking Face Generation

Audio-visual speech separation based on joint feature representation with cross-modal attention

no code implementations5 Mar 2022 Junwen Xiong, Peng Zhang, Lei Xie, Wei Huang, Yufei zha, Yanning Zhang

Multi-modal based speech separation has exhibited a specific advantage on isolating the target character in multi-talker noisy environments.

Optical Flow Estimation Speech Separation

Look\&Listen: Multi-Modal Correlation Learning for Active Speaker Detection and Speech Enhancement

1 code implementation4 Mar 2022 Junwen Xiong, Yu Zhou, Peng Zhang, Lei Xie, Wei Huang, Yufei zha

Active speaker detection and speech enhancement have become two increasingly attractive topics in audio-visual scenario understanding.

Active Speaker Detection Multi-Task Learning +1

IQDUBBING: Prosody modeling based on discrete self-supervised speech representation for expressive voice conversion

no code implementations2 Jan 2022 Wendong Gan, Bolong Wen, Ying Yan, Haitao Chen, Zhichao Wang, Hongqiang Du, Lei Xie, Kaixuan Guo, Hai Li

Specifically, prosody vector is first extracted from pre-trained VQ-Wav2Vec model, where rich prosody information is embedded while most speaker and environment information are removed effectively by quantization.

Quantization Voice Conversion

Multi-speaker Multi-style Text-to-speech Synthesis With Single-speaker Single-style Training Data Scenarios

no code implementations23 Dec 2021 Qicong Xie, Tao Li, Xinsheng Wang, Zhichao Wang, Lei Xie, Guoqiao Yu, Guanglu Wan

Moreover, the explicit prosody features used in the prosody predicting module can increase the diversity of synthetic speech by adjusting the value of prosody features.

Diversity Speech Synthesis +3

One-shot Voice Conversion For Style Transfer Based On Speaker Adaptation

no code implementations24 Nov 2021 Zhichao Wang, Qicong Xie, Tao Li, Hongqiang Du, Lei Xie, Pengcheng Zhu, Mengxiao Bi

One-shot style transfer is a challenging task, since training on one utterance makes model extremely easy to over-fit to training data and causes low speaker similarity and lack of expressiveness.

Style Transfer Voice Conversion

S-DCCRN: Super Wide Band DCCRN with learnable complex feature for speech enhancement

no code implementations16 Nov 2021 Shubo Lv, Yihui Fu, Mengtao Xing, Jiayao Sun, Lei Xie, Jun Huang, Yannan Wang, Tao Yu

In speech enhancement, complex neural network has shown promising performance due to their effectiveness in processing complex-valued spectrum.

16k Denoising +2

VISinger: Variational Inference with Adversarial Learning for End-to-End Singing Voice Synthesis

no code implementations17 Oct 2021 Yongmao Zhang, Jian Cong, Heyang Xue, Lei Xie, Pengcheng Zhu, Mengxiao Bi

In this paper, we propose VISinger, a complete end-to-end high-quality singing voice synthesis (SVS) system that directly generates audio waveform from lyrics and musical score.

Decoder Singing Voice Synthesis +1

WenetSpeech: A 10000+ Hours Multi-domain Mandarin Corpus for Speech Recognition

1 code implementation7 Oct 2021 BinBin Zhang, Hang Lv, Pengcheng Guo, Qijie Shao, Chao Yang, Lei Xie, Xin Xu, Hui Bu, Xiaoyu Chen, Chenchen Zeng, Di wu, Zhendong Peng

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.

Label Error Detection Optical Character Recognition +4

AnyoneNet: Synchronized Speech and Talking Head Generation for Arbitrary Person

no code implementations9 Aug 2021 Xinsheng Wang, Qicong Xie, Jihua Zhu, Lei Xie, Scharenborg

In this paper, we present an automatic method to generate synchronized speech and talking-head videos on the basis of text and a single face image of an arbitrary person as input.

Talking Head Generation Text to Speech

Controllable Context-aware Conversational Speech Synthesis

no code implementations21 Jun 2021 Jian Cong, Shan Yang, Na Hu, Guangzhi Li, Lei Xie, Dan Su

Specifically, we use explicit labels to represent two typical spontaneous behaviors filled-pause and prolongation in the acoustic model and develop a neural network based predictor to predict the occurrences of the two behaviors from text.

Speech Synthesis

Glow-WaveGAN: Learning Speech Representations from GAN-based Variational Auto-Encoder For High Fidelity Flow-based Speech Synthesis

no code implementations21 Jun 2021 Jian Cong, Shan Yang, Lei Xie, Dan Su

Current two-stage TTS framework typically integrates an acoustic model with a vocoder -- the acoustic model predicts a low resolution intermediate representation such as Mel-spectrum while the vocoder generates waveform from the intermediate representation.

Speech Synthesis

Enriching Source Style Transfer in Recognition-Synthesis based Non-Parallel Voice Conversion

no code implementations16 Jun 2021 Zhichao Wang, Xinyong Zhou, Fengyu Yang, Tao Li, Hongqiang Du, Lei Xie, Wendong Gan, Haitao Chen, Hai Li

Specifically, prosodic features are used to explicit model prosody, while VAE and reference encoder are used to implicitly model prosody, which take Mel spectrum and bottleneck feature as input respectively.

Style Transfer Voice Conversion

Multi-Speaker ASR Combining Non-Autoregressive Conformer CTC and Conditional Speaker Chain

1 code implementation16 Jun 2021 Pengcheng Guo, Xuankai Chang, Shinji Watanabe, Lei Xie

Moreover, by including the data of variable numbers of speakers, our model can even better than the PIT-Conformer AR model with only 1/7 latency, obtaining WERs of 19. 9% and 34. 3% on WSJ0-2mix and WSJ0-3mix sets.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +1

DCCRN+: Channel-wise Subband DCCRN with SNR Estimation for Speech Enhancement

no code implementations16 Jun 2021 Shubo Lv, Yanxin Hu, Shimin Zhang, Lei Xie

Deep complex convolution recurrent network (DCCRN), which extends CRN with complex structure, has achieved superior performance in MOS evaluation in Interspeech 2020 deep noise suppression challenge (DNS2020).

Decoder Speech Enhancement

Cross-Validated Tuning of Shrinkage Factors for MVDR Beamforming Based on Regularized Covariance Matrix Estimation

no code implementations5 Apr 2021 Lei Xie, Zishu He, Jun Tong, Jun Li, Jiangtao Xi

We propose leave-one-out cross-validation (LOOCV) choices for the shrinkage factors to optimize the beamforming performance, referred to as $\text{S}^2$CM-CV and STE-CV.

The Multi-speaker Multi-style Voice Cloning Challenge 2021

no code implementations5 Apr 2021 Qicong Xie, Xiaohai Tian, Guanghou Liu, Kun Song, Lei Xie, Zhiyong Wu, Hai Li, Song Shi, Haizhou Li, Fen Hong, Hui Bu, Xin Xu

The challenge consists of two tracks, namely few-shot track and one-shot track, where the participants are required to clone multiple target voices with 100 and 5 samples respectively.

Benchmarking Voice Cloning

Auto-KWS 2021 Challenge: Task, Datasets, and Baselines

1 code implementation31 Mar 2021 Jingsong Wang, Yuxuan He, Chunyu Zhao, Qijie Shao, Wei-Wei Tu, Tom Ko, Hung-Yi Lee, Lei Xie

Auto-KWS 2021 challenge calls for automated machine learning (AutoML) solutions to automate the process of applying machine learning to a customized keyword spotting task.

AutoML BIG-bench Machine Learning +1

Regularized Covariance Estimation for Polarization Radar Detection in Compound Gaussian Sea Clutter

no code implementations17 Mar 2021 Lei Xie, Zishu He, Jun Tong, Tianle Liu, Jun Li, Jiangtao Xi

This paper investigates regularized estimation of Kronecker-structured covariance matrices (CM) for polarization radar in sea clutter scenarios where the data are assumed to follow the complex, elliptically symmetric (CES) distributions with a Kronecker-structured CM.

Wake Word Detection with Streaming Transformers

no code implementations8 Feb 2021 Yiming Wang, Hang Lv, Daniel Povey, Lei Xie, Sanjeev Khudanpur

Modern wake word detection systems usually rely on neural networks for acoustic modeling.

WeNet: Production oriented Streaming and Non-streaming End-to-End Speech Recognition Toolkit

4 code implementations2 Feb 2021 Zhuoyuan Yao, Di wu, Xiong Wang, BinBin Zhang, Fan Yu, Chao Yang, Zhendong Peng, Xiaoyu Chen, Lei Xie, Xin Lei

In this paper, we propose an open source, production first, and production ready speech recognition toolkit called WeNet in which a new two-pass approach is implemented to unify streaming and non-streaming end-to-end (E2E) speech recognition in a single model.

Decoder speech-recognition +1

CODE-AE: A Coherent De-confounding Autoencoder for Predicting Patient-Specific Drug Response From Cell Line Transcriptomics

1 code implementation31 Jan 2021 Di He, Lei Xie

Thus, CODE-AE provides a useful framework to take advantage of in vitro omics data for developing generalized patient predictive models.

Transfer Learning

Unified Streaming and Non-streaming Two-pass End-to-end Model for Speech Recognition

5 code implementations10 Dec 2020 BinBin Zhang, Di wu, Zhuoyuan Yao, Xiong Wang, Fan Yu, Chao Yang, Liyong Guo, Yaguang Hu, Lei Xie, Xin Lei

In this paper, we present a novel two-pass approach to unify streaming and non-streaming end-to-end (E2E) speech recognition in a single model.

Decoder Sentence +2

Phonetic Posteriorgrams based Many-to-Many Singing Voice Conversion via Adversarial Training

1 code implementation3 Dec 2020 Haohan Guo, Heng Lu, Na Hu, Chunlei Zhang, Shan Yang, Lei Xie, Dan Su, Dong Yu

In order to make timbre conversion more stable and controllable, speaker embedding is further decomposed to the weighted sum of a group of trainable vectors representing different timbre clusters.

Audio Generation Disentanglement +1

TFGAN: Time and Frequency Domain Based Generative Adversarial Network for High-fidelity Speech Synthesis

1 code implementation24 Nov 2020 Qiao Tian, Yi Chen, Zewang Zhang, Heng Lu, LingHui Chen, Lei Xie, Shan Liu

On one hand, we propose to discriminate ground-truth waveform from synthetic one in frequency domain for offering more consistency guarantees instead of only in time domain.

Generative Adversarial Network Speech Synthesis

Molecular Mechanics-Driven Graph Neural Network with Multiplex Graph for Molecular Structures

2 code implementations15 Nov 2020 Shuo Zhang, Yang Liu, Lei Xie

The prediction of physicochemical properties from molecular structures is a crucial task for artificial intelligence aided molecular design.

Drug Discovery Formation Energy +1

The SLT 2021 children speech recognition challenge: Open datasets, rules and baselines

no code implementations13 Nov 2020 Fan Yu, Zhuoyuan Yao, Xiong Wang, Keyu An, Lei Xie, Zhijian Ou, Bo Liu, Xiulin Li, Guanqiong Miao

Automatic speech recognition (ASR) has been significantly advanced with the use of deep learning and big data.

Sound Audio and Speech Processing

IEEE SLT 2021 Alpha-mini Speech Challenge: Open Datasets, Tracks, Rules and Baselines

1 code implementation4 Nov 2020 Yihui Fu, Zhuoyuan Yao, Weipeng He, Jian Wu, Xiong Wang, Zhanheng Yang, Shimin Zhang, Lei Xie, DongYan Huang, Hui Bu, Petr Motlicek, Jean-Marc Odobez

In this challenge, we open source a sizable speech, keyword, echo and noise corpus for promoting data-driven methods, particularly deep-learning approaches on KWS and SSL.

Sound Audio and Speech Processing

AutoSpeech 2020: The Second Automated Machine Learning Challenge for Speech Classification

no code implementations25 Oct 2020 Jingsong Wang, Tom Ko, Zhen Xu, Xiawei Guo, Souxiang Liu, Wei-Wei Tu, Lei Xie

The AutoSpeech challenge calls for automated machine learning (AutoML) solutions to automate the process of applying machine learning to speech processing tasks.

AutoML BIG-bench Machine Learning +1

A Cross-Level Information Transmission Network for Predicting Phenotype from New Genotype: Application to Cancer Precision Medicine

no code implementations9 Oct 2020 Di He, Lei Xie

An unsolved fundamental problem in biology and ecology is to predict observable traits (phenotypes) from a new genetic constitution (genotype) of an organism under environmental perturbations (e. g., drug treatment).

Domain Adaptation Representation Learning

An End-to-end Architecture of Online Multi-channel Speech Separation

no code implementations7 Sep 2020 Jian Wu, Zhuo Chen, Jinyu Li, Takuya Yoshioka, Zhili Tan, Ed Lin, Yi Luo, Lei Xie

Previously, we introduced a sys-tem, calledunmixing, fixed-beamformerandextraction(UFE), that was shown to be effective in addressing the speech over-lap problem in conversation transcription.

speech-recognition Speech Recognition +1

AIPerf: Automated machine learning as an AI-HPC benchmark

1 code implementation17 Aug 2020 Zhixiang Ren, Yongheng Liu, Tianhui Shi, Lei Xie, Yue Zhou, Jidong Zhai, Youhui Zhang, Yunquan Zhang, WenGuang Chen

The de facto HPC benchmark LINPACK can not reflect AI computing power and I/O performance without representative workload.

AutoML Benchmarking +1

Channel-wise Subband Input for Better Voice and Accompaniment Separation on High Resolution Music

1 code implementation12 Aug 2020 Haohe Liu, Lei Xie, Jian Wu, Geng Yang

We aim to address the major issues in CNN-based high-resolution MSS model: high computational cost and weight sharing between distinctly different bands.

Audio and Speech Processing Sound

DCCRN: Deep Complex Convolution Recurrent Network for Phase-Aware Speech Enhancement

7 code implementations Interspeech 2020 Yanxin Hu, Yun Liu, Shubo Lv, Mengtao Xing, Shimin Zhang, Yihui Fu, Jian Wu, Bihong Zhang, Lei Xie

Speech enhancement has benefited from the success of deep learning in terms of intelligibility and perceptual quality.

Speech Enhancement Audio and Speech Processing Sound

Streaming Chunk-Aware Multihead Attention for Online End-to-End Speech Recognition

1 code implementation21 May 2020 Shiliang Zhang, Zhifu Gao, Haoneng Luo, Ming Lei, Jie Gao, Zhijie Yan, Lei Xie

Recently, streaming end-to-end automatic speech recognition (E2E-ASR) has gained more and more attention.

Sound Audio and Speech Processing

Simplified Self-Attention for Transformer-based End-to-End Speech Recognition

no code implementations21 May 2020 Haoneng Luo, Shiliang Zhang, Ming Lei, Lei Xie

Transformer models have been introduced into end-to-end speech recognition with state-of-the-art performance on various tasks owing to their superiority in modeling long-term dependencies.

speech-recognition Speech Recognition

Wake Word Detection with Alignment-Free Lattice-Free MMI

1 code implementation17 May 2020 Yiming Wang, Hang Lv, Daniel Povey, Lei Xie, Sanjeev Khudanpur

Always-on spoken language interfaces, e. g. personal digital assistants, rely on a wake word to start processing spoken input.

Decoder

Multi-band MelGAN: Faster Waveform Generation for High-Quality Text-to-Speech

9 code implementations Interspeech2020 2020 Geng Yang, Shan Yang, Kai Liu, Peng Fang, Wei Chen, Lei Xie

In this paper, we propose multi-band MelGAN, a much faster waveform generation model targeting to high-quality text-to-speech.

Sound Audio and Speech Processing

Adversarial Feature Learning and Unsupervised Clustering based Speech Synthesis for Found Data with Acoustic and Textual Noise

no code implementations28 Apr 2020 Shan Yang, Yuxuan Wang, Lei Xie

As for the speech-side noise, we propose to learn a noise-independent feature in the auto-regressive decoder through adversarial training and data augmentation, which does not need an extra speech enhancement model.

Clustering Data Augmentation +6

Espresso: A Fast End-to-end Neural Speech Recognition Toolkit

1 code implementation18 Sep 2019 Yiming Wang, Tongfei Chen, Hainan Xu, Shuoyang Ding, Hang Lv, Yiwen Shao, Nanyun Peng, Lei Xie, Shinji Watanabe, Sanjeev Khudanpur

We present Espresso, an open-source, modular, extensible end-to-end neural automatic speech recognition (ASR) toolkit based on the deep learning library PyTorch and the popular neural machine translation toolkit fairseq.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +6

Improving Attention Mechanism in Graph Neural Networks via Cardinality Preservation

1 code implementation4 Jul 2019 Shuo Zhang, Lei Xie

To improve the performance of attention-based GNNs, we propose cardinality preserved attention (CPA) models that can be applied to any kind of attention mechanisms.