A smart home system for the elderly based on speech recognition and FPGA

摘要

#$%^&*AU2020102042A420201008.pdf#####ABSTRACT This invention lies in the field of speech recognition technology, specifically to a smart home system for the elderly based on speech recognition and FPGA to assist elderly people with limited mobility to control devices in their homes. This invention consists of the following modules: speech acquisition module, signal transmission module, signal enhancement module, noise cancellation module, speech recognition module, signal output module, central server, training module, speech comparison module and memory storage module. With the preferred embodiment, this invention is capable of improving speech recognition's accuracy and effective distance, as well as achieving high performance and low power consumption in the hardware platform. 1Order Speech Signal input Feature Extraction DTW Recognition NIOS-1l Processor | Compile by Quartus-il, Download t o FPGA, DebutI by NIO S-11 IDE Recognition Result Hardware Implementation Turn On/Off Light Turn On/Off Conditioner Figure 6 5