方法对比
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| 声射线追踪× | 声全息× | |
|---|---|---|
| 领域 | 声学 | 声学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1979 | 1985 |
| 提出者≠ | James Allen, David Berkley | James Maynard, Earl Williams, Yongjian Lee |
| 类型≠ | Computational room acoustics method | Sound field reconstruction method |
| 开创性文献≠ | Allen, J. B., & Berkley, D. A. (1979). Image method for efficiently simulating small-room acoustics. Journal of the Acoustical Society of America, 65(4), 943–950. DOI ↗ | Maynard, J. D., Williams, E. G., & Lee, Y. (1985). Near-field acoustic holography: I. Theory of generalized holography and the development of NAH. Journal of the Acoustical Society of America, 78(4), 1395–1413. link ↗ |
| 别名 | ray tracing, geometric acoustics, image source method, sound ray propagation | NAH, near-field acoustics, sound field mapping, acoustic imaging |
| 相关 | 5 | 5 |
| 摘要≠ | Acoustic ray tracing is a computational technique for predicting sound propagation in rooms by treating acoustic energy as rays that reflect specularly off surfaces. Formalized by Allen and Berkley in 1979 via the image source method, ray tracing is one of the most computationally efficient methods for room acoustic simulation, especially for early and mid-reflections. It is widely used in audio engineering, architectural acoustics, and interactive spatial audio for virtual environments. | Near-Field Acoustic Holography (NAH) is a technique for reconstructing 3D acoustic sound fields and visualizing sound radiation from sources by measuring pressure at a dense microphone array in the near field. Pioneered by Maynard, Williams, and Lee in 1985, NAH extends holographic principles from optics to acoustics, enabling detailed acoustic source characterization, noise source identification, and acoustic field visualization that is impossible with conventional single-point or line-array methods. |
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