MULTIMEDIA AND QUALITY OF SERVICE
COMPRESSION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Run-Length Encoding, Dictionary Compression and Variable-Length Encoding are all ____
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lossy compression
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lossless 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: -Dictionary-based compression is another lossless technique that relies on finding patterns in data.
Detailed explanation-2: -Lossless data compression mainly supports RAW, BMP, PNG, WAV, FLAC, and ALAC file types. Lossy data compression mainly supports JPEG, GIF, MP3, MP4, MKV, and OGG file types.
Detailed explanation-3: -Examples of lossless compression methods include Run Length Encoding and Dictionary Based Methods. Run Length Encoding replaces repeating pixels or codes. Dictionary Based Methods rely on patterns within a file and are more effective with larger files. Each pattern can has an ID number.
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