Contents Home 3. Multimedia can be as simple as a few images with some accompanying text to a multimedia presentation using video clips, sound, images animation and text. Multimedia files to use a lot of data when in a digital format.
Video is the most demanding.
A PAL signal when digitised can require a data rate of 170 Mbps. Audio is less demanding but still requires 1.3 MByte for a 1 minute clip using a Sound Blaster Pro system at 22 kHz sampling rate. Still images require use more data proportional to their size. Synchronisation of sound and video is important. Sound is likely to breake up if parts of it are lost or delayed in storage or transmission.