Development of a Multi-Channel Wearable Heart Sound Visualization System
Abstract
:1. Introduction
2. Materials and Methods
2.1. System Architecture
2.2. Sensor and Wearable Vest
2.3. Sensor Test
2.4. Signal Preprocessing
2.5. Channel Location
2.6. Cardiac Acoustic Mapping
3. Results and Discussions
3.1. Heart Sound Sensor Consistency
3.2. Multichannel Heart Sound Signals
3.3. Cardiac Acoustic Map
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Parameters | ICS-40300 | MAX9814 |
---|---|---|
Size (mm) | 4.72 × 3.76 × 3.5 | 3 × 3 |
Frequency response (Hz) | 6–20,000 | 20–20,000 |
DC power supply (V) | 1.5–3.63 | 2.7–5.5 |
SNR (dB) | 63 | 64 |
Sensitivity (dBV) Input impedance (kΩ) Out impedance (Ω) | −45 −200 | −100 50 |
Parameters | The Novel Heart Sound Sensor |
---|---|
Size (mm) | 16 × 16 × 7 |
Frequency response (Hz) | 20–200 |
DC power supply (V) | 3.3–3.63 |
SNR (dB) | 22.9 |
Out impedance (Ω) | 50 |
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Guo, B.; Tang, H.; Xia, S.; Wang, M.; Hu, Y.; Zhao, Z. Development of a Multi-Channel Wearable Heart Sound Visualization System. J. Pers. Med. 2022, 12, 2011. https://doi.org/10.3390/jpm12122011
Guo B, Tang H, Xia S, Wang M, Hu Y, Zhao Z. Development of a Multi-Channel Wearable Heart Sound Visualization System. Journal of Personalized Medicine. 2022; 12(12):2011. https://doi.org/10.3390/jpm12122011
Chicago/Turabian StyleGuo, Binbin, Hong Tang, Shufeng Xia, Miao Wang, Yating Hu, and Zehang Zhao. 2022. "Development of a Multi-Channel Wearable Heart Sound Visualization System" Journal of Personalized Medicine 12, no. 12: 2011. https://doi.org/10.3390/jpm12122011