There are two categories of data compression. The first reduces the size of a single file to save storage space and transmit faster. The second is for storage and transmission convenience. The ...

The measurement of compressed data. For example, a file compressed into 1/4th of its original size can be expressed as 4:1, 25%, 75% or 2 bits per byte. See archive program and data compression ...

We call the ratio between the original data rate of the uncompressed video and that of the compressed video the "compression ratio" of the system, and where AVCI-100 gives a ratio of around 10:1 ...

Data compression enables music files to be drastically reduced in size. Music on a compact disc is uncompressed. An average song lasting three minutes requires about 32MB of storage.