Digital Audio Broadcasting

In September 2013, China Digital Radio (CDR) channel standard was launched and Digital Rise Technology’s National Engineering Laboratory for Audio Technology is as a core organization to initiate CDR. CDR demonstration network in Guangdong Province launched 18 CDR testing points, 30 channels planning has been completed, our province is the first to use DRA audio coding for low bit rate extensions technology (DRA+). Guangdong Province has launched a single point of test in pilot cities of Shenzhen (frequency 102.0MHz) and Guangzhou (92.0MHz) on December 2012 and March 2013 respectively. To achieve the normalization of the country's first CDR digital broadcast channel airs.