intro to digital audio Jonathan toole

STUDY
PLAY
sounds
vibrations that travel through the air or some other medium.
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
Wavelength
Distance from crest to crest
Amplitude
Distance from rest to crest or rest to trough.
Frequency
Number of waves to pass a point in one second
Pitch
Quality of a sound determined by the rate of vibration. The degree of highness or lowness of a tone
Waveform
a visual representation of an audio signal
Clip
a short segment of audio. It can be combined with others to make an audio track
Track
an area upon which audio moves. It may be a single waveform or could be made up of clips
Trim
removes everything from the left and right of selected audio
Amplify
change the volume of selected audio
WAV
Developed by IBM and Microsoft for Windows
MP3
Popular for music (MP3 Players)