FPGA Implementation of Spectral Subtraction for In-Car Speech Enhancement and Recognition

被引：0

作者：

Whittington, Jim ^{[1
]}

Deo, Kapeel ^{[1
]}

Kleinschmidt, Tristan ^{[2
]}

Mason, Michael ^{[2
]}

机构：

[1] La Trobe Univ, Dept Elect Engn, Melbourne, Vic, Australia

[2] Queensland Univ Technol, Speech & Audio Res Lab, Brisbane, Qld, Australia

来源：

ICSPCS: 2ND INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATION SYSTEMS, PROCEEDINGS | 2008年

关键词：

Field programmable gate arrays; speech enhancement; road vehicles;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

The use of speech recognition in noisy environments requires the use of speech enhancement algorithms in order to improve recognition performance. Deploying these enhancement techniques requires significant engineering to ensure algorithms are realisable in electronic hardware. This paper describes the design decisions and process to port the popular spectral subtraction algorithm to a Virtex-4 field-programmable gate array (FPGA) device. Resource analysis shows the final design uses only 13% of the total available FPGA resources. Waveforms and spectrograms presented support the validity of the proposed FPGA design.

引用

页码：393 / +

页数：2

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