MULTIMEDIA AND QUALITY OF SERVICE
COMPRESSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Text because it already has a small file size
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Text because it is important to be able to reconstruct the original message.
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Either A or B
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None of the above
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Detailed explanation-1: -DCT is the most widely used lossy compression method, and is used in multimedia formats for images (such as JPEG and HEIF), video (such as MPEG, AVC and HEVC) and audio (such as MP3, AAC and Vorbis). Lossy image compression is used in digital cameras, to increase storage capacities.
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: -Text messages can best be compressed using lossless compression because you can reduce the number of bits needed without losing any information.