Multimedia Elements and Digitization

Analogue Data and Digital Data

Digital Multimedia Elements

Audios

Videos

Graphics

Vector graphics

Bitmaps

Frame size

Sampling rate

Bit resolution

Frame rate

Duration

Compression

Colour depth

Characteristics of analogue data and digital data

Applications of digital data in IT

Accuracy of information

Replication

Efficiency on transmission

Mode of data access

Efficiency on data storge

Efficiency on data analysis

Way of measurement

Conversion of analogue multimedia elements

Image

Video

Audio

Samping rate

Bit resolution(number of bits per sample)

Number of channels

Resolution

Colour depth

Compression ratio

Video cassette recorders(VCR)

Digital video camera

Web cam

Digital camera

transmission

manipulation

storage

duplication

Digitization

Quantization

Samping