3. Principle of digital representation (coding)

The principle of digital audio/fixed image/video media is based on a very simple idea: since the analog source signal will degrade during the recording and transmission processes (figure 3 ), the analog quantity representing the sound or light information will be measured at source, before degradation.

Native digital media formats, also known as raw formats or uncompressed formats (as opposed to compressed formats [TE 5 366]...