Spatiotemporal audio feature extraction with dynamic memristor-based time-surface neurons Article Swipe
Xulei Wu
,
Bingjie Dang
,
Teng Zhang
,
Xiulong Wu
,
Yuchao Yang
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1126/sciadv.adl2767
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1126/sciadv.adl2767
Neuromorphic speech recognition systems that use spiking neural networks (SNNs) and memristors are progressing in hardware development. The conventional manual preprocessing of audio signals is shifting toward event-based recognition with convolutional SNNs. Despite achieving high accuracy in classification, the efficient extraction of spatiotemporal features from audio events continues to be a substantial challenge. In this study, we introduce dynamic time-surface neurons (DTSNs) using volatile memristors featuring an adjustable temporal kernel decay, enabled by series-connected transistors with an Au/LiCoO 2 /Au configuration. DTSNs act as feature descriptors, enhancing the spatiotemporal feature extraction from event audio data. A two-layer SNN classifier, fully connected and incorporating a 1T1R nonvolatile memristor array, is trained to recognize the spatiotemporal features of the audio data. Our findings show classification accuracies of up to 95.91%, substantial improvements in computational efficiency, and increased noise resilience, confirming the promise of our memristor-based speech recognition system for practical applications.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1126/sciadv.adl2767
- https://www.science.org/doi/pdf/10.1126/sciadv.adl2767?download=true
- OA Status
- gold
- Cited By
- 20
- References
- 50
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4393853187
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- OpenAlex ID
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https://openalex.org/W4393853187Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1126/sciadv.adl2767Digital Object Identifier
- Title
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Spatiotemporal audio feature extraction with dynamic memristor-based time-surface neuronsWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2024Year of publication
- Publication date
-
2024-04-03Full publication date if available
- Authors
-
Xulei Wu, Bingjie Dang, Teng Zhang, Xiulong Wu, Yuchao YangList of authors in order
- Landing page
-
https://doi.org/10.1126/sciadv.adl2767Publisher landing page
- PDF URL
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https://www.science.org/doi/pdf/10.1126/sciadv.adl2767?download=trueDirect link to full text PDF
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goldOpen access status per OpenAlex
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https://www.science.org/doi/pdf/10.1126/sciadv.adl2767?download=trueDirect OA link when available
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Memristor, Computer science, Feature extraction, Extraction (chemistry), Feature (linguistics), Artificial intelligence, Pattern recognition (psychology), Chemistry, Engineering, Electronic engineering, Chromatography, Philosophy, LinguisticsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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20Total citation count in OpenAlex
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2025: 17, 2024: 3Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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