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3.01 Audio

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 or rest to trough.
Wavelength Distance from crest to crest.
Crest Point that exhibits maximum amount of upward displacement from the rest position.
Trough Point that exhibits maximum amount of downward displacement from the rest position.
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 (kHz).
Bit rate (Depth) the number of computer bits process per unit of time.
Sample size the number of bits used to save one sample.
Channel single audio stream consisting of a sequence of samples.
Mono one channel; audio is a single channel, where sound comes from a single direction.
Stereo - two channels two channels; creates the impression of sound being heard from various directions, as in human hearing.
Audio file size determined by the sample rate, sample size and number of channels used.
MP3 File Format MPEG-1 Audio Layer 3
WAV File Format Waveform file
OGG File Format Ogg Vorbis
AIFF File Format Audio Interchange File Format
Created by: 1612054