公开(公告)号：CA2199760A1

公开(公告)日：1997-10-04

申请号：CA2199760

申请日：1997-03-12

Applicant: LUCENT TECHNOLOGIES INC

Inventor： WANG JIN-DER

IPC: H04B1/26 ,  H04B1/64 ,  H04B14/04 ,  H04H20/46 ,  H04H20/72 ,  H04H40/27 ,  H04L27/18 ,  H04B1/16 ,  H04H1/00 ,  H04B7/005

Abstract: A digital audio broadcasting system includes an RF transmitter and a corresponding RF receiver. In the RF transmitter, a digitally compressed audio signal is encoded into a symbol stream that is first rotated using a frequency of 150,000 hertz (hz) before transmission to the RF receiver.