Abstract
A mixed sample data augmentation strategy is proposed to enhance the performance of models on audio scene classification, sound event classification, and speech enhancement tasks. While there have been several augmentation methods shown to be effective in improving image classification performance, their efficacy toward time-frequency domain features of audio is not assured. We propose a novel audio data augmentation approach named "Specmix"specifically designed for dealing with time-frequency domain features. The augmentation method consists of mixing two different data samples by applying time-frequency masks effective in preserving the spectral correlation of each audio sample. Our experiments on acoustic scene classification, sound event classification, and speech enhancement tasks show that the proposed Specmix improves the performance of various neural network architectures by a maximum of 2.7%.
Original language | English |
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Title of host publication | 22nd Annual Conference of the International Speech Communication Association, INTERSPEECH 2021 |
Publisher | International Speech Communication Association |
Pages | 6-10 |
Number of pages | 5 |
ISBN (Electronic) | 9781713836902 |
DOIs | |
Publication status | Published - 2021 |
Event | 22nd Annual Conference of the International Speech Communication Association, INTERSPEECH 2021 - Brno, Czech Republic Duration: 2021 Aug 30 → 2021 Sept 3 |
Publication series
Name | Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH |
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Volume | 1 |
ISSN (Print) | 2308-457X |
ISSN (Electronic) | 1990-9772 |
Conference
Conference | 22nd Annual Conference of the International Speech Communication Association, INTERSPEECH 2021 |
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Country/Territory | Czech Republic |
City | Brno |
Period | 21/8/30 → 21/9/3 |
Bibliographical note
Funding Information:This material is based upon work supported by the Air Force Office of Scientific Research under award number FA2386-19-1-4001.
Publisher Copyright:
Copyright © 2021 ISCA.
Keywords
- Acoustic scene classification
- Data augmentation
- Deep neural networks
- Sound event classification
- Speech enhancement
ASJC Scopus subject areas
- Language and Linguistics
- Human-Computer Interaction
- Signal Processing
- Software
- Modelling and Simulation