A system and a method for the transmission and reception of digital data wirelessly using acoustic tones comprises an encoder, a data interleaving system, an error correction system, and a decoder. The digital data is decoded by using in-phase and quadrature filters and through a score based function that determines the data that was most likely transmitted.

 
Web www.patentalert.com

> Electronic circuit to reduce noise in digital subscriber loop and communications over unshielded twisted pair metallic conductors

~ 00330