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Implementation of an acoustic echo canceller based on NLMS-neural networks structures by using the VHDL

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Abstract

A cascaded pipelined recurrent neural network/NLMS structure is employed in an attempt to model the room/speakerphone transfer function and acoustic path in a hands-free environment. To investigate the feasibility of practical hardware implementation of the proposed structure, this paper aims at implementing the pipelined recurrent neural network and NLMS algorithms by using VHDL. VHDL is the name of the IEEE 1076 Hardware Description Language standard for very high-speed digital circuits design. Galileo, an RTL/logic synthesis tool, has been used in order to generate the gate level of the proposed structure. The Xilinx family is chosen as target technology.

Original languageEnglish
Title of host publicationICC 1998 - 1998 IEEE International Conference on Communications
Subtitle of host publicationNew Century Communications, Conference Record; Affiliated with SUPERCOMM 1998
Pages1789-1793
Number of pages5
DOIs
StatePublished - 1998
Externally publishedYes
Event1998 IEEE International Conference on Communications: New Century Communications, ICC 1998 - Affiliated with SUPERCOMM 1998 - Atlanta, GA, United States
Duration: 7 Jun 199811 Jun 1998

Publication series

NameInternational Conference on Communications - Proceedings
Volume3

Conference

Conference1998 IEEE International Conference on Communications: New Century Communications, ICC 1998 - Affiliated with SUPERCOMM 1998
Country/TerritoryUnited States
CityAtlanta, GA
Period7/06/9811/06/98

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