T5 Audio Flashcards
What is AUDIO?
Any sound or noises in a range the human can hear
What is DIGITAL SOUND?
Sound that has been converted into OR created into a discrete form.
What are the SOURCES of a digital audio?
DIGITISED and SYNTHESIZED
What is a DIGITISED digital sound?
It comes from external real life sound
What is a SYNTHESIZED digital sound?
It is created from a waveforms
How to convert natural or analogue sound to digital sound?
Use sampling techniques
What is SAMPLING TECHNIQUE?
Determine amplitude of the sound at some number of discrete times within a given time interval.
What happens if sampling rate is increased?
HIGHER quality and BIGGER storage size
What is the formula for SAMPLING RATE?
no. of cycles per sec X points of sample
What is the formula for FILE SIZE?
[sampling rate (Hz) X duration (sec) X resolution (bits) X no. of channels (1- mono, 2- stereo]/ 8
What are the tools/operations for EDITING?
- trimming
- splicing and assembly
- volume adjustments
- resampling
- fade-ins
- reverse
What is TRIMMING?
Removing blank space from recording
What is SPLICING AND ASSEMBLY?
Cut and space many shorter recordings
What is VOLUME ADJUSTMENT?
Raise or lower the overall volume
What are the SOFTWARES for digital audio?
Audacity, Audiotool, Acoustica, Ocenaudio, Adobe Audition
