Optimal FIR subband beamforming for speech enhancement in multipath environments

被引：6
|
作者：
Grbic, N [1 ]
Nordholm, S [1 ]
Cantoni, A [1 ]
机构：
[1] Western Australian Telecommun Res Inst, Crawley, WA 6009, Australia
来源：
IEEE SIGNAL PROCESSING LETTERS | 2003年 / 10卷 / 11期
关键词：
acoustic; beamforming; multipath; spread sources; subband;
D O I：
10.1109/LSP.2003.818073
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This letter provides an analysis of optimal finite-impulse response subband beamforming for speech enhancement in multipath environments. A modification of the direct-path standard Wiener formulation is shown to give nearly optimal performance when it comes to signal-to-noise plus interference ratio, by including coherent multipath propagation into the criterion.
引用
收藏
页码：335 / 338
页数：4
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