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Audio

TermDefinition
Sound wave An audible vibration that travels through air or water
Frequency Number of waves to pass a point in one second.
Amplitude Distance from rest to crest to trough
Wavelength Distance from crest to crest
Crest Point that exhibits maximum amount of upward
Trough Point that exhibits maximum amount of downward displacement from the rest postion
Pitch The quality of the sound determined by the rate of vibration
Sampling Process used to convert analog sound waves into digital data to be used by computers
Sample rate The number of samples taken per second, often measured in Kilohertz
Bit rate The number of computers bits process per unit of time
Sample Size The number of bits used to save one sample
Channel Single audio is a single channel, where sound comes from a single direction
Mono One channel, audio is a single channel where sounds come from a single direction
Stereo Two channels, create the impression of sound being heard from various direction
Audio file size determined by the sample rate, sample size and numbers of channels
MP3 file MPEG-1 Audio Layer 3
WAV file Waveform file
OGG File Ogg Vorbis
AIFF file Audio Interchange File format.
Created by: 1612865
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Voices

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