探讨了中国数字化声音广播的发展方向，介绍了一种全新的带内高

清数字广播技术系统方案，并与其他技术系统进行了比较，阐明了该技术体系的特点。-While discussing the development of China digital radio broadcasting，the introduction of a

totally new digital radio technology of the in-band high-definition is made， and comparison with above

mentioned technologies is given to clarify the characteristics of this new technical system.