Comparison Analysis of Video Compression Using Objective Measurements
Keywords:Videos, Digital Forensics, NIST, Forensic Tools
Abstractvideo is one type of audio-visual media that depicts an object moving along with the sound. the problem of data size is very important in the data exchange process. especially video files, files with an average size larger than other file types such as image, sound, and text files. the size of the file will cause obstacles to data management which require very large storage space and long file delivery time. video compression technique is an attempt to transform video shrinkage data into other data, without causing significant changes. This study compares the best compression method between WMV and AVI with MP4 video material. the comparison process is done by calculating the compression ratio (cr), space-saving (ss), and peak signal to noise ratio (PNR). The results obtained prove that AVI video compression has the highest compression ratio value of 0.063, while in terms of space-saving (ss) WMV compression gives the best performance with a value of 99.826. The best measurement in terms of PSNR is AVI video compression because it has the highest average value among all compressions, which is 36,158. provides the best performance in maintaining compression quality. Overall the MP4, AVI, and WMV compression methods used for videos can reduce the file size and preserve the information and quality of the video
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