同期声是电视新闻的重要组成部分。它包括人物的有声语言，人与环境的种种声响等。合理运用同期声可强化现场感，增强报道的真实性。同期声拉近了与观众的距离，使观众感受到现场真实可信的气氛，从而提高了新闻的传播价值。同期声对电视新闻如此重要，但在实际应用中也有不和 Sound over the same period is an important part of television news. It includes the vocal language of people, the sound of people and the environment and so on. The rational use of sound of the same period can enhance the sense of presence and enhance the authenticity of the report. In the same period, the distance between the audience and the audience was narrowed so that the audience felt the real and credible atmosphere of the scene, thus increasing the value of news dissemination. Voice over television news is so important over the same period, but there are also discordance in the practical application