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Transformer neural networks require a large amount of labeled data to train effectively. Such data is often scarce in electroencephalography, as annotations made by medical experts are costly. This is why self-supervised training, using…

信号处理 · 电气工程与系统科学 2024-10-11 Tim Bary , Benoit Macq

Learning good representations without supervision is still an open issue in machine learning, and is particularly challenging for speech signals, which are often characterized by long sequences with a complex hierarchical structure. Some…

机器学习 · 计算机科学 2019-04-09 Santiago Pascual , Mirco Ravanelli , Joan Serrà , Antonio Bonafonte , Yoshua Bengio

Sound event detection (SED) methods that leverage a large pre-trained Transformer encoder network have shown promising performance in recent DCASE challenges. However, they still rely on an RNN-based context network to model temporal…

声音 · 计算机科学 2024-08-20 Pengfei Cai , Yan Song , Kang Li , Haoyu Song , Ian McLoughlin

We propose a method named AudioFormer,which learns audio feature representations through the acquisition of discrete acoustic codes and subsequently fine-tunes them for audio classification tasks. Initially,we introduce a novel perspective…

声音 · 计算机科学 2023-08-28 Zhaohui Li , Haitao Wang , Xinghua Jiang

Transformer-based models have gained increasing popularity achieving state-of-the-art performance in many research fields including speech translation. However, Transformer's quadratic complexity with respect to the input sequence length…

计算与语言 · 计算机科学 2023-10-19 Sara Papi , Marco Gaido , Matteo Negri , Marco Turchi

This paper presents an audio visual automatic speech recognition (AV-ASR) system using a Transformer-based architecture. We particularly focus on the scene context provided by the visual information, to ground the ASR. We extract…

音频与语音处理 · 电气工程与系统科学 2020-05-01 Georgios Paraskevopoulos , Srinivas Parthasarathy , Aparna Khare , Shiva Sundaram

Generic pre-trained speech and text representations promise to reduce the need for large labeled datasets on specific speech and language tasks. However, it is not clear how to effectively adapt these representations for speech emotion…

音频与语音处理 · 电气工程与系统科学 2022-01-28 Sundararajan Srinivasan , Zhaocheng Huang , Katrin Kirchhoff

Despite the growing interest in unsupervised learning, extracting meaningful knowledge from unlabelled audio remains an open challenge. To take a step in this direction, we recently proposed a problem-agnostic speech encoder (PASE), that…

音频与语音处理 · 电气工程与系统科学 2020-04-21 Mirco Ravanelli , Jianyuan Zhong , Santiago Pascual , Pawel Swietojanski , Joao Monteiro , Jan Trmal , Yoshua Bengio

Automated audio captioning aims to use natural language to describe the content of audio data. This paper presents an audio captioning system with an encoder-decoder architecture, where the decoder predicts words based on audio features…

音频与语音处理 · 电气工程与系统科学 2021-08-06 Xinhao Mei , Qiushi Huang , Xubo Liu , Gengyun Chen , Jingqian Wu , Yusong Wu , Jinzheng Zhao , Shengchen Li , Tom Ko , H Lilian Tang , Xi Shao , Mark D. Plumbley , Wenwu Wang

Audio self-supervised learning (SSL) pre-training, which aims to learn good representations from unlabeled audio, has made remarkable progress. However, the extensive computational demands during pre-training pose a significant barrier to…

音频与语音处理 · 电气工程与系统科学 2024-01-09 Wenxi Chen , Yuzhe Liang , Ziyang Ma , Zhisheng Zheng , Xie Chen

We propose TabTransformer, a novel deep tabular data modeling architecture for supervised and semi-supervised learning. The TabTransformer is built upon self-attention based Transformers. The Transformer layers transform the embeddings of…

机器学习 · 计算机科学 2020-12-15 Xin Huang , Ashish Khetan , Milan Cvitkovic , Zohar Karnin

Transformers have shown significant effectiveness for various vision tasks including both high-level vision and low-level vision. Recently, masked autoencoders (MAE) for feature pre-training have further unleashed the potential of…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Huiyu Duan , Wei Shen , Xiongkuo Min , Danyang Tu , Long Teng , Jia Wang , Guangtao Zhai

Recently, self-supervised pre-training has shown significant improvements in many areas of machine learning, including speech and NLP. We propose using large self-supervised pre-trained models for both audio and text modality with…

音频与语音处理 · 电气工程与系统科学 2021-08-24 Krishna D N

User interaction with voice-powered agents generates large amounts of unlabeled utterances. In this paper, we explore techniques to efficiently transfer the knowledge from these unlabeled utterances to improve model performance on Spoken…

计算与语言 · 计算机科学 2018-11-14 Aditya Siddhant , Anuj Goyal , Angeliki Metallinou

Recent advances in unsupervised representation learning have demonstrated the impact of pretraining on large amounts of read speech. We adapt these techniques for domain adaptation in low-resource -- both in terms of data and compute --…

计算与语言 · 计算机科学 2022-02-14 Chak-Fai Li , Francis Keith , William Hartmann , Matthew Snover

We consider the task of unsupervised extraction of meaningful latent representations of speech by applying autoencoding neural networks to speech waveforms. The goal is to learn a representation able to capture high level semantic content…

机器学习 · 计算机科学 2019-09-12 Jan Chorowski , Ron J. Weiss , Samy Bengio , Aäron van den Oord

Recently Convolution-augmented Transformer (Conformer) has shown promising results in Automatic Speech Recognition (ASR), outperforming the previous best published Transformer Transducer. In this work, we believe that the output information…

计算与语言 · 计算机科学 2022-12-02 Xiaoming Ren , Huifeng Zhu , Liuwei Wei , Minghui Wu , Jie Hao

Unsupervised anomalous sound detection (ASD) aims to detect unknown anomalous sounds of devices when only normal sound data is available. The autoencoder (AE) and self-supervised learning based methods are two mainstream methods. However,…

声音 · 计算机科学 2023-10-16 Jian Guan , Youde Liu , Qiuqiang Kong , Feiyang Xiao , Qiaoxi Zhu , Jiantong Tian , Wenwu Wang

Emotion recognition is a topic of significant interest in assistive robotics due to the need to equip robots with the ability to comprehend human behavior, facilitating their effective interaction in our society. Consequently, efficient and…

In this work, we address music representation learning using convolution-free transformers. We build on top of existing spectrogram-based audio transformers such as AST and train our models on a supervised task using patchout training…

声音 · 计算机科学 2023-09-29 Pablo Alonso-Jiménez , Xavier Serra , Dmitry Bogdanov