Telos ZephyrExpress Music Mixer User Manual


 
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