arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2210.15366eess.AScs.SD
收藏

基于多维边的音频事件关系图表示学习的声学场景分类

Multi-dimensional Edge-based Audio Event Relational Graph Representation Learning for Acoustic Scene Classification

Ghent University(根特大学);University of Cambridge(剑桥大学);University of Manchester(曼彻斯特大学);Baidu Inc.(百度公司);University of Surrey(萨里大学)

Yuanbo Hou, Siyang Song, Chuang Yu, Yuxin Song, Wenwu Wang, Dick Botteldooren

摘要:

大多数现有的基于深度学习的声学场景分类(ASC)方法直接利用从频谱图中提取的表示来识别目标场景。然而,这些方法很少关注发生在场景中的音频事件,尽管它们提供了重要的语义信息。本文进行的第一项研究,调查是否可以可靠地识别现实生活中的声学场景的基础上,描述了有限数量的音频事件的功能。为了对粗粒度声学场景和细粒度音频事件之间的任务特定关系进行建模,我们提出了一个用于ASC的事件关系图表示学习(ERGL)框架。具体而言,ERGL从输入音频中学习声学场景的图形表示,其中每个事件的嵌入被视为节点,而从每对事件嵌入中导出的关系线索由学习的多维边缘特征描述。在一个复调声学场景数据集上的实验表明,所提出的ERGL在ASC上实现了有竞争力的性能,只使用有限数量的音频事件嵌入,而没有任何数据增强。该框架的有效性证明了基于事件关系图的声学场景识别的可行性。我们的代码可以在我们的主页上找到(https://github.com/Yuanbo2020/ERGL)。

英文摘要:

Most existing deep learning-based acoustic scene classification (ASC) approaches directly utilize representations extracted from spectrograms to identify target scenes. However, these approaches pay little attention to the audio events occurring in the scene despite they provide crucial semantic information. This paper conducts the first study that investigates whether real-life acoustic scenes can be reliably recognized based only on the features that describe a limited number of audio events. To model the task-specific relationships between coarse-grained acoustic scenes and fine-grained audio events, we propose an event relational graph representation learning (ERGL) framework for ASC. Specifically, ERGL learns a graph representation of an acoustic scene from the input audio, where the embedding of each event is treated as a node, while the relationship cues derived from each pair of event embeddings are described by a learned multidimensional edge feature. Experiments on a polyphonic acoustic scene dataset show that the proposed ERGL achieves competitive performance on ASC by using only a limited number of embeddings of audio events without any data augmentations. The validity of the proposed ERGL framework proves the feasibility of recognizing diverse acoustic scenes based on the event relational graph. Our code is available on our homepage (https://github.com/Yuanbo2020/ERGL).

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑