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Audio Key Terms

TermDefinition
Sounds Vibrations that travel through the air or some other medium
Sound Wave An audible vibration that travels through air or water
Decibels The measurement of the loudness or intensity of sounds
Crest Point that exhibits maximum amount of upward displacement from rest position
Trough Point that exhibits maximum amount of downward displacement from rest position
Wavelength Distance from crest to crest
Amplitude Distance from rest to crest or crest to trough
Frequency Number of waves to pass a point in one second (How Fast)
Pitch Quality of sound determined by rate of vibration. The degree of highness or lowness of a tone
Analog A continuous phenomena (Microphones and Video Cameras)
Sample Rate The rate or frequency at which a sound is sampled to digitize it
Bit Rate The number of computer bits that are conveyed or processed per unit of time
Waveform A visual representation of an audio signal
Clip A short segment of audio, can be combined with others to make an audio track
Track An area upon which audio moves
Trim Moves everything from the left and right of the selected audio
Amplify Change the volume of selected audio
Capture To record audio, video or still images as a data file
WAV Developed by IBM and Microsoft for windows, Lossless and Large FIle SIze
AIFF Developed by Apple, Large file size and lossless
MP3 Compressed format, well suited for music
.avi Audio Video Interleave
.ogg (Ogg Vorbis) Compressed format, popular in gaming industry, open source
Created by: emhaag
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