LO1: Understand the use of sound in interactive media products

Theory of sound:

Waveform (wavelength, amplitude, frequency):

Pitch:

Hertz (Hz):

Decibel level (dB):

Sound generator (loudspeaker):

Basics of sound recording:

Signals:

Signal to noise ratio:

Analogue distortion:

Digital distortion:

Mono and stereo:

Sound recording media:

Digital audio file formats eg .mp3, .wav, .mid, .ogg, .wma, .aif:

Analogue versus digital: comparison of analogue and digital sound:

Advantages and disadvantages of production techniques:

Issues with digitisation of analogue material:

Quality issues:

Applications:

Interactive media products, eg websites, DVD interfaces, interactive presentations, computer
games, mobile phone content

Use of sound:

Carrying dialogue:

Enhancing mood or tone:

Indicators, eg danger, impending action, emotion:

Guiding users:

Alerts:

Entertainment, eg streaming music: