1. Rao, K.R., and Hwang, J.J.: ‘Techniques and standards for image, video and audio coding’, (Prentice-Hall, Englewood Cliffs, NJ 1996)
2. MPEG digital audio coding
3. MPEG-4 natural audio coding
4. ISO/IEC IS 11172-3: ‘Information technology – Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit∕s – Part 3: Audio’, 1993