Telos ZephyrExpress user manual Layer 3 Features, Compatibility

SECTION 5

AUDIO CODING

OVERVIEW	5-2
Introduction to Audio Coding	5-2
Basic Principles of Perceptual Coding	5-3
ISO/MPEG LAYER 3	5-5
Layer 3 Features	5-5
Psychoacoustic Masking	5-5
Redundancy Reduction	5-6
Bit Reservoir Buffering	5-6
Ancillary Data	5-6
Layer 3 Joint Stereo	5-7
ISO/MPEG LAYER 2	5-7
Layer 2 Joint Stereo	5-8
Layer 2 Mono-128	5-8
G.722	5-8
CASCADING	5-9
Mixed MPEG Layer 2 And Layer 3 Signal Chains	5-10
CHOOSING THE CODING METHOD FOR YOUR APPLICATION	5-11
Delay vs. Quality	5-12
Dual vs Stereo vs Joint Stereo in Layer 3	5-12
Dual Site Operation	5-13
Layer 2: Mono64kpbs vs MONO128; Dual vs JSTEREO	5-13
Sampling Rate	5-14
Compatibility	5-15
Between Telos Codecs	5-15
With Non-Telos Equipment	5-15

CODING 5-1