优秀电视节目主持人和新闻播报员能够在镜头前轻松自如地播音，能调节控制嗓子和发声技巧，以再创造的热情，怀着鲜明的对象感和强烈的交流感，恰到好处地进行信息传播。但也有一些初学者在镜头前不能很好地进入状态，杂念多，对主持节目和播出没有信心，手足无措，面部肌肉僵? Outstanding TV presenters and newscasters can easily broadcast in front of the camera, adjust the control of voice and vocal skills, re-create the passion, with a clear sense of object and a strong sense of exchange, just the right information dissemination. But there are also some beginners in the camera can not well into the state, distractions and more, to host the program and broadcast no confidence, know what to do, facial muscles stiff?