A system and method for modifying symbol duration for the efficient transmission of information in a time duplex noise environment is disclosed. In a simplified embodiment, the system modifies the length of Discrete MultiTone (DMT) symbols, thereby providing a system wherein a first half of the DMT symbols...http://www.google.com/patents/US6266347?utm_source=gb-gplus-sharePatent US6266347 - System and method for modifying symbol duration for the efficient transmission of information in a time duplex noise environment