视频时间轴的弹幕评论:特点与局限刍议

弹幕评论是一种不同于其他网络评论的较为独特的评论形式，它紧密依托于视频本身，基于视频时间轴呈现，针对视频中此时此刻正在播放的内容。这使得弹幕评论具有三大特点：不存在固定意见领袖的扁平化传播；粘性强但向外扩散难度大的受众群体；同时承载收视数据与文本评论两种信息，是了解受众对视频接受状况的新途径。此外，虽然弹幕评论可以营造出一种陪伴感，但由于时空的阻隔与用户匿名机制，也经常会产生交流假象，具有一定的局限性。总之，弹幕评论的传播过程还存在种种局限，但作为年轻一代所偏爱的新型网络评论形式，弹幕评论仍有很大发展空间，前景值得憧憬。

Bullet-curtain Comments Based on the Time Axis of Video:Peculiarities and Limitations

Different from other kinds of internet comments, bullet curtain comments are closely combined with the video,based on the time axis of the video stream, and always point to the ongoing video content, which leads to three peculiarities: flat patterns of transmission without any fixed opinion leaders; stable but hard to expand user stickiness; and a new way to getting to know the audience acceptance of a video, which contains not only ratings but also text messages. Besides, although bullet-curtain comments can create a sense of companionship, there may be some feints of communication because of time-space block and anonymous online system, which is a limitation. Though the communicating process of bullet-curtain comment gets some limitations, it is, as a new type of internet comments, loved by younger generation.There is a huge room of growth of bullet-curtain comments,whose prospect is worth to be expected.