Main concept behind Voice operated Electronic notice board using display is to show messages and to control them by using our own voice. We have already seen GSM based Electronic Notice board, however speech controlled Notice board has additional advantage of ease of use. User has to give voice command in his/her own voice to control the messages displayed on electronic notice board. Voice recognition is done in the Android application. User has to install this Android application in his/her smart phone or tablet. Bluetooth wireless technology is a popular technique in the field communication, and it is one of the fastest growing fields in the wireless technologies. Bluetooth technology handles the wireless part of the communication channel; it is used in this system to transmit and receive data wirelessly between devices. User needs to install this application. A computer system used for this purpose is called a speech synthesizer, and can be implemented in software or hardware products. An inbuilt Google voice recognition app is used in this system.
wireless notice boards,smart phones,android application,Bluetooth module
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