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Hello everyone. This is the podcast of digital media. I'm Yuyao Wang. The topic for today's podcast is How do you podcasts remediate radio? So I'm going to talk about this alternative-old topic. What is a podcast? I have a graphic analogy, if the blog is the new newspaper, then the podcast is the new radio. It is a method of publishing audio files over the Internet that allows users to subscribe and automatically receive new files. What sets podcasts apart from other audio content delivery is the subscription model, which allows you to subscribe to podcasts using the corresponding blogging software. The software periodically checks and downloads new content and syncs it with the user's portable music player. This technology makes it possible not only for anyone to listen to podcasts, but for anyone to make podcasts, just like me. This allows many ordinary people to enjoy the feeling of being a radio host. Let's talk about traditional radio, which is a mass medium that uses radio technology to transmit. It has the advantages of "rapid transmission, cheap, convenient and mobile listening", but because of the transmission mode of "linear transmission", it also has the weaknesses of "linear listening, weak selectivity, poor retention and passing by ear". In traditional broadcasting, communicators are media organizations, and the content they deliver is produced by professional media elites. Its communication platform is a quasi-" authoritative platform "based on" elites "versus" the public ". And podcasts, to some extent, have the democratic characteristics of the form of communication platform, which is the transmission mode of "everyone is a communicator", which makes online democracy possible. Compared with traditional radio, podcasts have all the advantages of radio, and at the same time make up for all the disadvantages of traditional radio. Podcasting technology makes the barrier to entry for broadcasting very low, requiring only a recording device, a computer, and an Internet connection. In addition, it spreads quickly, and through the Internet, podcast information from all over the world is instantly available. Its receiver is a digital receiver similar to MP3, with similar characteristics to radio, portable, suitable for mobile listening. It can be said that, to some extent, traditional radio combined with podcasting technology will fundamentally restore the listeners to a state of freedom.You don't have to wait by the computer for your favorite podcast to play at a fixed time, nor do you have to worry that it will be as fleeting as traditional radio, because you can listen to it online or download it to your phone at any time according to your needs. At the same time, you can also upload your own views or opinions to the Internet by way of comments. And you no longer have to be distracted by commercials that are suddenly inserted into the programme. It's a perfect reinvention of existing broadcasting. It should be added that podcasting is a new technology and a new broadcasting concept. The reason it has had a decisive impact on the evolution of broadcasting is that this new technology accommodates all the advantages and compensates for all the disadvantages of traditional broadcasting compared to previous technologies. The podcasting technology is thus downward compatible.