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help for Accoustic Modem

Started by dspr...@gmail.com August 18, 2007
i am doing project on OFDM channel estimation,part of that is we have to transmit data from the soundcard(speaker) and on the reciever end i have to collect the data through mic. i am having very difficulty in the synchronization of transmitter and reciever,therefore i need help of yours in the form of ideas and matlab codes so that i can transmit from one computer and recieve data from other one using sound.