MULTIMEDIA AND QUALITY OF SERVICE
COMPRESSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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lossy
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lossless
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Either A or B
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None of the above
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Detailed explanation-1: -However, MP4 is a lossy format. This means that every time you save the same audio or video file as an MP4, you lose a little bit of data, and thus a little bit of quality. If you re-save an MP4 file enough times, eventually, the quality will be unrecognizable.
Detailed explanation-2: -Video files using MP4 file container are compressed using H. 264 or MPEG-4 compression techniques. Audio files are compressed using the AAC compression algorithm, which is also used for . AAC extension file compressions.
Detailed explanation-3: -1. MP4. It has a wide range of available extensions like m4a, m4v, f4a, f4b and m4r, and uses separate compression algorithms for video and audio files. You are ensured of lossless compression and widely supported by multiple multimedia players and digital devices.
Detailed explanation-4: -MOV files usually contain uncompressed video or videos that use lossless compression. However, modern compression technologies can produce very high-quality video playback.