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首页> 外文会议>Annual Conference of the British Institute of Non-Destructive Testing >Investigation into the Sound Field Reproduction Systems: Compensation Factors and Performance Improvement Techniques
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Investigation into the Sound Field Reproduction Systems: Compensation Factors and Performance Improvement Techniques

机译：声场再现系统的调查：补偿因子和性能改进技术

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In this paper, an attempt has been made to analyse and present the state-of-the-art sound reproduction systems. This work is the result of extensive literature on the various types of sound or acoustic synthesis, and production and reproduction techniques. It is shown that combination of digital signal processing (DSP) approaches can help improve the overall system performance. Compensation techniques have also been applied to reduce the chances of occurrence of errors, artifacts and inaccuracies in sound field reproduction; deficiencies that often result from factors such as deficiencies in the rendering techniques and the effect of listening environment. These techniques, including multiple-input-multiple-output (MIMO) channel inversion, and multi-point controlled wavefront synthesis, perform either partial or full compensation of sound field. It was found that multichannel wave field synthesis (MWFS), as a non-destructive testing approach, demonstrates a unified solution comprising of MIMO channel inversion and WFS, with the ability to satisfactorily reproduce the sound field in a large area, with compensation factors such as reflection, various room effects and spatial aliasing.
机译：在本文中，已经尝试分析和呈现最先进的声音再现系统。这项工作是各种类型的声音或声学合成的广泛文学的结果，以及生产和再现技术。结果表明，数字信号处理（DSP）方法的组合可以帮助改善整体系统性能。还应用了补偿技术来减少声场再现中出现错误，伪影和不准确的可能性;经常导致渲染技术等因素导致的缺陷以及听力环境的效果。这些技术包括多输入多输出（MIMO）信道反转和多点控制的波前合成，执行声场的部分或完全补偿。发现多通道波场合成（MWF）作为非破坏性测试方法，演示了包括MIMO信道反转和WFS的统一解决方案，其能够令人满意地再现大面积的声场，其中包括补偿因素作为反思，各种房间效果和空间锯齿。

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