Appendix
1 Description of coding method
1 Encoding
2 Layers
3 Coded bit stream format
4 Decoding
Appendix 2
Guidelines for operating ISO/IEC 11172-3 codecs at specific bit rates
1 Free format
2 Use of the ancillary data field (for
Layer II)
3 Dynamic bit rate switching (for Layer
III)
Appendix 3
Perceptual objective methods
Appendix 4
Selection methodology of the recommended low bit rate audio codecs