The document discusses the uses and purposes of audio in moving image products like TV and film. Sound is used to create moods through music, add sound effects for actions scenes, and provide silence for tension or suspense. It also discusses how dialog is used for narration or storytelling through first, second, and third person perspectives. The document then covers basic principles of sound and acoustics, including how sound waves are generated and vibrate through the air, and how acoustic treatment and panels help absorb sound to prevent echoes and break up sound in both interior and exterior environments.

1. Unit 4- audio
Task1
Uses and purpose of audio
In thistask,you will findoutabouthowsoundisusedin
- TV / film
- Sound– basedmedia(radio/podcast)
 What isthe purpose of soundina movingimage products?
- To create a mood – e.g.sad/ slow music:sympathy
- E.g. happy,upliftingmusic
- Soundeffectsusedinaction,e.g.carcrash
- Thisis usuallyaddedon/enhancedinthe editusing Foley.
- Silence:tensionorsuspense
- Dialog– story – tellingornarration
- 3rd
persondialog– talkinga“natural” environmentwatchingtheirstory isthe narration
- 2nd
person – voice over–directstory – tellingwe can’tsee narrative.
- 1st
person:we see apresenter/narrator whodirectlyaddressesus.E.g.the news.
Studioshave a spongedwall toabsorbthe air andmake the microphone pickupbettersound.
Basic principlesof soundandacoustics:
 Soundwave
 Generated
 Vibrationthroughthe air
 Acoustics
 Surface properties
 Whena soundstops that’swhenreverbiscreated(echo)
 Acoustictreatmentacousticspanels
 Helpsabsorbsthe sound
 Stopsthe soundfrom echoing
 Breaksup sound
 Soundproofingdesigned fromthe soundcominginandout
-interioracoustics
-Studioacoustics
-Controlledenvironment
-Exterioracoustics
-Simulatedacoustics