In the domain of information retrieval, there exists a number of models which are used for different sorts of applications. The extraction of multimedia is one of the types which specifically deals with the handling of multimedia data with different types of tools and techniques. This chapter provides a complete insight into the audio, video, and text semantic descriptions about the multimedia data with the following objectives: i) methods ii) data summarization iii) data categorization and its media descriptions. Upon considering this organization, the entire chapter has been dealt with a case study depicting feature extraction, merging, filtering, and data validation.