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Recent work on end-to-end automatic speech recognition (ASR) has shown that the connectionist temporal classification (CTC) loss can be used to convert acoustics to phone or character sequences. Such systems are used with a dictionary and…

Computation and Language · Computer Science 2017-03-23 Kartik Audhkhasi , Bhuvana Ramabhadran , George Saon , Michael Picheny , David Nahamoo

Connectionist temporal classification (CTC) is commonly adopted for sequence modeling tasks like speech recognition, where it is necessary to preserve order between the input and target sequences. However, CTC is only applied to…

Machine Learning · Computer Science 2023-12-18 Zheng Nan , Ting Dang , Vidhyasaharan Sethu , Beena Ahmed

Accurate multi-label classification of electrocardiogram (ECG) signals remains challenging due to the coexistence of multiple cardiac conditions, pronounced class imbalance, and long-range temporal dependencies in multi-lead recordings.…

Machine Learning · Computer Science 2026-01-28 Alireza Jafari , Fatemeh Jafari

Automatic tagging of music is an important research topic in Music Information Retrieval and audio analysis algorithms proposed for this task have achieved improvements with advances in deep learning. In particular, many state-of-the-art…

Information Retrieval · Computer Science 2020-06-30 Andres Ferraro , Dmitry Bogdanov , Xavier Serra , Jay Ho Jeon , Jason Yoon

In this paper we investigate the importance of the extent of memory in sequential self attention for sound recognition. We propose to use a memory controlled sequential self attention mechanism on top of a convolutional recurrent neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Arjun Pankajakshan , Helen L. Bear , Vinod Subramanian , Emmanouil Benetos

This paper proposes a novel framework for lung sound event detection, segmenting continuous lung sound recordings into discrete events and performing recognition on each event. Exploiting the lightweight nature of Temporal Convolution…

In this work we propose approaches to effectively transfer knowledge from weakly labeled web audio data. We first describe a convolutional neural network (CNN) based framework for sound event detection and classification using weakly…

Sound · Computer Science 2018-09-10 Anurag Kumar , Maksim Khadkevich , Christian Fugen

Given a continuous-time signal that can be modeled as the superposition of localized, time-shifted events from multiple sources, the goal of Convolutional Dictionary Learning (CDL) is to identify the location of the events--by Convolutional…

Signal Processing · Electrical Eng. & Systems 2020-10-23 Andrew H. Song , Francisco J. Flores , Demba Ba

Advanced deep learning architectures, particularly recurrent neural networks (RNNs), have been widely applied in audio, bioacoustic, and biomedical signal analysis, especially in data-scarce environments. While gated RNNs remain effective,…

Sound · Computer Science 2025-12-02 Pengfei Sun , Wenyu Jiang , Paul Devos , Dick Botteldooren

Extensive works have tackled Language Identification (LID) in the speech domain, however their application to the singing voice trails and performances on Singing Language Identification (SLID) can be improved leveraging recent progresses…

Sound · Computer Science 2021-06-01 Lenny Renault , Andrea Vaglio , Romain Hennequin

Neural network based architectures used for sound recognition are usually adapted from other application domains such as image recognition, which may not harness the time-frequency representation of a signal. The ConditionaL Neural Networks…

Sound · Computer Science 2019-04-30 Fady Medhat , David Chesmore , John Robinson

We introduce Label-Combination Prototypical Networks (LC-Protonets) to address the problem of multi-label few-shot classification, where a model must generalize to new classes based on only a few available examples. Extending Prototypical…

Sound · Computer Science 2025-02-11 Charilaos Papaioannou , Emmanouil Benetos , Alexandros Potamianos

Recent studies have shown that neural models can achieve high performance on several sequence labelling/tagging problems without the explicit use of linguistic features such as part-of-speech (POS) tags. These models are trained only using…

Machine Learning · Computer Science 2019-10-01 Isaac K. E. Ampomah , Sally McClean , Zhiwei Lin , Glenn Hawe

Recent advances in generating synthetic captions based on audio and related metadata allow using the information contained in natural language as input for other audio tasks. In this paper, we propose a novel method to guide a sound event…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-29 Manu Harju , Annamaria Mesaros

Multi-label classification (MLC) faces challenges from label noise in training data due to annotating diverse semantic labels for each image. Current methods mainly target identifying and correcting label mistakes using trained MLC models,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Zhixiang Yuan , Kaixin Zhang , Tao Huang

End-to-end speech recognition systems usually require huge amounts of labeling resource, while annotating the speech data is complicated and expensive. Active learning is the solution by selecting the most valuable samples for annotation.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-12 Jian Luo , Jianzong Wang , Ning Cheng , Jing Xiao

Unsupervised and self-supervised learning methods have leveraged unlabelled data to improve the pretrained models. However, these methods need significantly large amount of unlabelled data and the computational cost of training models with…

Computation and Language · Computer Science 2022-04-04 Utkarsh Chauhan , Vikas Joshi , Rupesh R. Mehta

In this study, we propose advancing all-neural speech recognition by directly incorporating attention modeling within the Connectionist Temporal Classification (CTC) framework. In particular, we derive new context vectors using time…

Computation and Language · Computer Science 2018-03-16 Amit Das , Jinyu Li , Rui Zhao , Yifan Gong

Previous researches on acoustic word embeddings used in query-by-example spoken term detection have shown remarkable performance improvements when using a triplet network. However, the triplet network is trained using only a limited…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-29 Hyungjun Lim , Younggwan Kim , Youngmoon Jung , Myunghun Jung , Hoirin Kim

Current state-of-the-art systems for sequence labeling are typically based on the family of Recurrent Neural Networks (RNNs). However, the shallow connections between consecutive hidden states of RNNs and insufficient modeling of global…

Computation and Language · Computer Science 2019-06-07 Yijin Liu , Fandong Meng , Jinchao Zhang , Jinan Xu , Yufeng Chen , Jie Zhou