COMPUTER NETWORKING

MULTIMEDIA AND QUALITY OF SERVICE

COMPRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The video file format MP4 is:
A
Lossy
B
Lossless
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Is MP4 “lossless” or “lossy”? MP4 is widely used because it’s a universal file format that all operating systems can read. It also yields a smaller file size than other formats and allows you to attach metadata to your audio and video files. However, MP4 is a lossy format.

Detailed explanation-2: -Lossy compression is most commonly used to compress multimedia data (audio, video, and images), especially in applications such as streaming media and internet telephony. By contrast, lossless compression is typically required for text and data files, such as bank records and text articles.

Detailed explanation-3: -An MP4 format can store audio files, video files, still images, and text. Additionally, MP4 provides high quality video while maintaining relatively small file sizes.

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