Lumix - pedia
Compression is useful because it reduces resources required to store and transmit data.
Data compression - pedia
In the context of data transmission, it is ed source coding (encoding done at the source of the data before it is stored or transmitted) in opposition to channel coding.
GPhoto - News
Data compression is subject to a space–time complexity trade-off.
Panasonic Instruction Manuals - ePHOTOzine
For instance, a compression scheme for video may require expensive hardware for the video to be decompressed fast enough to be viewed as it is being decompressed, and the option to decompress the video in full before watching it may be inconvenient or require additional storage.
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