MULTIMEDIA AND QUALITY OF SERVICE
MULTIMEDIA DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Compression technique in which some file data is sacrificed in order to reduce file size.
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Lossless compression
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Lossy compression
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -In lossy compression, the data in a file is removed and not restored to its original form after decompression. Specifically, data is permanently removed, which is why this method is also known as irreversible compression.
Detailed explanation-2: -Lossy compression is best at creating really small file sizes – ideal for downloads or streaming. File formats that use lossy compression include MP3, MP4 and JPG. Our MP3 Audio Compression page explains more about MP3 compression.
Detailed explanation-3: -There are two methods of compression – lossy and lossless. Lossy reduces file size by permanently removing some of the original data. Lossless reduces file size by removing unnecessary metadata.
There is 1 question to complete.