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2008年4月21日,广电总局办公厅向各省、自治区、直辖市广播影视局,新疆生产建设兵团广播电视局,中央三台发出《广电总局办公厅关于对数字声音广播试验加强管理的通知》,通知说,为促进我国广播数字化工作,总局于2006年5月颁布了《30MHz—3000MHz地面数字音频广播系统技术规范》,并批准在北京、上海等地开展数字声音广播技术试验,播出数字声音广播节目,探索
On April 21, 2008, the General Office of the State Administration of Radio, Film and Television issued a circular on Strengthening the Administration of Digital Sound Broadcasting Tests to the General Office of the State Administration of Radio Film and Television (SARFT) in three radio and television stations of the Radio, Film and Television Bureau of all provinces, autonomous regions and municipalities directly under the Central Government, the Radio and Television Bureau of Xinjiang Production and Construction Corps, The circular said that in order to promote China’s radio and digital work, the General Administration promulgated the “30MHz-3000MHz Terrestrial Digital Audio Broadcasting System Technical Specification” in May 2006 and approved digital audio broadcasting technology trials in Beijing and Shanghai to broadcast digital audio Broadcast programs, explore