Adaptive Wave Field Synthesis for Sound Field Reproduction: Theory, Experiments, and Future Perspectives
Adaptive Wave Field Synthesis for Sound Field Reproduction: Theory, Experiments, and Future Perspectives
复制标题
用于声场再现的自适应波场合成：理论、实验和未来展望
DOI：
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发表时间：
2007
影响因子：
1.4
通讯作者：
A. Berry
中科院分区：
文献类型：
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作者：
Philippe;A. Berry
波场合成（WFS）是一种假设再现环境为消声的声场再现技术。真实的再现空间降低了WFS的客观精度。自适应波场合成（AWFS）是自适应波场合成与主动补偿的结合。使用AWFS，复制错误和偏离WFS解决方案的惩罚被最小化。基于奇异值分解的分析将WFS、主动补偿和双声合成联系起来。该分解使基于独立辐射模式控制的AWFS得以实际实现。不同房间的实验结果支持了理论命题，并证明了AWFS在声场再现中的有效性。
Wave field synthesis (WFS) is a sound field reproduction technology that assumes that the reproduction environment is anechoic. A real reproduction space thus reduces the objective accuracy of WFS. Adaptive wave field synthesis (AWFS) is defined as a combination of WFS and active compensation. With AWFS the reproduction errors are minimized along with a departure penalty from the WFS solution. Analysis based on the singular value decomposition connects WFS, active compensation, and Ambisonics. The decomposition allows the practical implementation of AWFS based on independent radiation mode control. Results of experiments in different rooms support the theoretical propositions and show the efficiency of AWFS for sound field reproduction.