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September 10, 2025Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous TechnologiesOpen Access

ASE: Practical Acoustic Speed Estimation Beyond Doppler via Sound Diffusion Field

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Authors

SLSheng LyuCWChenshu Wu

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Overview

Observational analysis shows ASE accurately tracks human walking speed in a room, indicating improvements over Doppler methods.

Key Points

  • ASE achieves a mean error of 0.13 m/s, significantly lower than traditional methods, enhancing tracking reliability.
  • The system utilizes an innovative Orthogonal Time-Delayed Multiplexing technique for improved speed estimation rates.
  • Evaluation through extensive experiments confirms a 97.4% detection rate in varying environments, demonstrating practicality.
  • Promising results suggest ASE could redefine acoustic speed estimation beyond existing Doppler Frequency approaches.

Cite This Study

Lyu et al. (2025) studied this question.

synapsesocial.com/papers/68c188579b7b07f3a0612461https://doi.org/10.1145/3749475
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