In recent years, as a new way of information dissemination, new media has brought a huge impact on traditional media. New media is the most important and popular communication medium in the new century, and the communication mode promotes the transformation of the whole society. With the continuous updating of mobile devices and the continuous increase of various news dissemination channels, which accelerates the speed of information dissemination, it also puts forward a test for the quality and effectiveness of news broadcasting. With the continuous development of information technology, the reform of education informatization continues to advance. At present, journalism education research has become a hot topic in journalism research, and journalism professional education faces many challenges in the context of educational informatization. It needs to take corresponding measures to innovate teaching concepts and teaching methods, so as to meet the requirements of education reform for journalism. This paper studies the development trend of new media. It is based on the effective application of information technology means to teaching and scientific research and aims to promote the progress and development of journalism education. This paper studies the impact of different audio sample durations on retrieval accuracy and retrieval speed and finds that the corresponding recall rate when the query sample audio length is 5 seconds is 82.5%. When the time length is 10 seconds, the recall rate is relatively improved by 13.2%. This paper discusses the innovation of journalism education under the background of informatization. In this paper, through the investigation of journalism college students' analysis of the problems existing in the current education and the synthesis of their suggestions, it is more prominent that 90% of them believe that improving teaching methods is the most important. Senior students have more prominent opinions on the issue of practical teaching. Practical teaching has become an important part of higher education with Chinese characteristics. It is an important way to guide students to integrate theory with practice and cultivate students' comprehensive quality and innovative consciousness.