Lecture 4- Audio Flashcards
is sound within the acoustic range available to humans.
is the most sensuous element of multimedia.
AUDIO
The loudness or softness of sound is called…?
Amplitude or Volume
Sound pressure is measured in…?
DB(Decibel)
Sound waves are known as…?
Waveforms
Two classifications of reproduced sound.
Mono
and
Stereo
All elements of the sound recording are directed using one amplifier and
speaker combination.
Comes fron only 1 channel(undirectional)
MONO
The recorded sounds are mixed in such a way that some elements are channeled to the left and some are channeled to the right.
Uses two or more channels.
STEREO
Types of Audio:
- Background Music
- Voice Over
- Sound Effects
is typically the instrumental sound, songs, or music loops.
Background Music
referred to as Narration. Used to deliver concrete information. Used to give instructions.
Voice Over
are cool little sounds meant to add a little excitement every now and then
on the presentation.
Sound Effects
Some examples of Audio Equipment
(possible question)
- Microphone
- Speakers
- Earphones
- Headset
- Amplifiers
- Sound Mixers
- Audio Editors
Types of Sound Formats:
- MIDI (Musical Instrument Digital Interface)
- WAVE format (Waveform Audio File Format)
- MP3 format (MPEG-1 Audio Layer 3)
Some examples of Audio Software
- Adobe Audition
- Audicity
- Sound Forge
Advantages & Disadvantages of Using Audio
(possible quesion?)
Advantages
- ensure important information is noticed
- Add interest
- Can communicate more directly than other media
Disadvantages
-Easily overused
-Requires special equipment for quality prodcution
-Not as memorable as visual media
