M.M. Gerzon, "Hierarchical systems of surround sound transmission for HDTV," Presented at the AES 92 nd Convention, Paper 3339, Vienna , 1992.
D. Yang, H. Ai, C. Kyriakakis, and C.-C. Kuo and C.C. Jay "High-Fidelity Multichannel Audio Coding with Karhunen-Lòeve Transform", in IEEE Transactions On Speech and Audio Processing, Vol. 11, No. 4, pp. 365-380, 2003.
[P1] Y. Jiao, S. Zielinski, and F. Rumsey. Quality Degradation Effects Caused by Limiting the Bandwidth of Standard Surround Sound Channels and Hierarchically Encoded MSBTF Channels: a Comparative Study. Presented at the AES 120th Convention, Paper 6685, Paris, France, 20-23 May, 2006. [P2] L. Henning, Y. Jiao, S. Zielinski, and F. Rumsey. Perceptual Importance of Karhunen-Lòeve Transformed Multichannel Audio Signals. Presented at the AES 121st Convention, Paper 6964, San Francisco, CA, USA, 5-8 October, 2006. [P3] Y. Jiao, S. Zielinski, and F. Rumsey. Signal Dependent and Independent Hierarchical Encoding Techniques: a Comparative Study. Presented at the AES 22nd UK conference, Cambridge, UK, 11-12 April, 2007. [P4] Y. Jiao, S. Zielinski, and F. Rumsey. Adaptive Karhunen-Lòeve Transform for Multichannel Audio. Presented at the AES 123rd Convention, Paper 7298, New York, NY, USA, Friday 5-8 October, 2007. [P5] Y. Jiao, S. Zielinski and F. Rumsey, Optimal Hierarchical Bandwidth Limitation ofSurround Sound . Presented at the AES 124th Convention, Amsterdam, The Netherlands, 17-20 May 2008.