Audio-Video glossary Flashcards
Advanced Audio Coding
improved version of mp3, sounds better with smaller file size
Amplitude
the level perceived as volume
AIFF (audio interchange file format)
Uncompressed audio storage used mac/apple products
lossless container
AVI (audio/video interleaved)
File format for storing and playing back movie clips with sounds on Windows based PCs
not a form of compression
Aspect ratio
the ratio of the images width to height expressed as an x:y format
Bit/byte
Bit - a single numeric value of 1 or 0
Byte - a sequence of 8 bits
Compression
temporarily or permanently reducing the data for more efficient storage or transmission
temporary - lossless
permanent - lossy
Frequency
the number of complete cycles a sound wave goes through in a second
MP3
lossy audio coding format
smaller size than CD without losing much quality
MPEG 4 or MP4
The video container standard for multimedia on the internet
MOV
Apple’s quicktime multimedia container
Quantization(digital audio)
The number of available values determined by the number of bits
Bit depth
Sampling(digital audio)
the process of taking snapshots of sound waves at a regular time interval
WAV
standard audio format for windows operating systems
