Comparison of News Announcing and Talking Styles in Broadcast Speech

In broadcast speech, there are different speaking styles among different TV or radio programs. It is known that news announcing is a very distinctive style; it's quite distinct from others, e.g. talking style. What is the difference between news announcing style and talking style? In this study, we reports our studies on comparison of two speaking styles based on broadcast speech corpus, which the segmentation and labeling of the broadcast speech have been done. The purpose is to give some results from two aspects. First, in news announcing and talking styles, the mean duration of syllable in news announcing is longer than that in talking style; Second, the pitch and pitch range of news announcing style is high and has big fluctuation; that of talking style is high and has small fluctuation.