3.
Audio coding
1. MPEG-1 Audio
What it does:
Provides technology to represent stereo sound in a quality scalable manner
Layer I provides transparency at 384 kbit/s
Layer II provides transparency at 256 kbit/s
Layer II provides trANSPARENCY AT 192 KBIT/S
What it is for:
Potentially all digital sound and television applications can be covered by this technology
Where: ISO/IEC 11172-3
2.
MPEG-2 Audio
What it does:
Provides technology to represent
Multichannel audio that is backward compatible with MPEG-1 Aydio
A lower sampling rate extension of MPEG-1 Audio
What it is for:
Multichannel audio applications
Where: ISO/IEC 13818-3
