Audio coding – Telos ZephyrExpress User Manual
Page 79

CODING
5-1
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