Voice- activated System by Using Microcontroller with Noise Reduction

Abstract

This project proposes a design of voice activated with noise reduction system using microcontroller. The system is aimed to makethe voice oriented command is more cleared. A voice recognitionmodule has been added to the wireless system to store the voice command. The voice command is the system comprisesof transmitting section and receiving section,the system uses the Radio Frequency (RF) technology for transmitting and receiving data. Initially, the voice command is stored in the data baseusing the function keys. Then the input voice commands are transmitted through wireless. The voice receivedis then processed in the voice recognition system where the feature of the voice command is extracted and matchedwith the existing sample in the database. The module recognizes the voice and sends control messages to themicrocontroller. The programmed microcontroller is then processes the received data and switches the respectiveappliances via connected driver circuits. The results gained from the system were very good. The system was able to filter the noise and recognize the voice command. Severalsoftware was used for the simulation purpose such as BASCOM and PROTOUS.