click below
click below
Normal Size Small Size show me how
3.01 Audio Key Terms
Term | Definition |
---|---|
Sounds | vibrations that travel through air |
Sound Wave | An audible vibration that travels through water or air |
Decibels | loudness or intensity of a sound |
Crest | The maximum upward displacement of the wave |
Trough | The maximum downward displacement of the wave |
Wavelength | Distance from crest to trough |
Amplitude | Distance from crest to trough |
Frequency | Number of wave to pass a point in one second |
Pitch | The quality of the sound determined by the rate of vibration |
Analog | continuous phenomena, such as microphones, video cameras |
Sample Rate | rate or frequency at which a sound is sampled to digitize it |
Bit Rate | The number of computer bits process per unit of time |
Waveform | visual representation of an audio signal |
Clip | short segment of audio |
Track | area upon which audio moves |
Trim | removes 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 digital data in a file |
WAV | Waveform file |
AIFF | developed by apple, lossless high quality |
MP3 | compressed format, suited for internet |
.avi (Audio Video Interleave) | Audio interchange file format |
.ogg (Ogg Vorbis) | open source, compressed format |