1. [1] M. Lang, “Allpass filter design and applications,” IEEE Trans. Signal Process., vol.46, no.9, pp.2505-2514, Sept. 1998.
2. [2] Z. Jing, “A new method for digital all-pass filter design,” IEEE Trans. Acoust. Speech Signal Process., vol.ASSP-35, no.11, pp.1557-1564, Nov. 1987.
3. [3] F.J. Brophy and A.C. Salazar, “Two design techniques for digital phase networks,” Bell Syst. Tech. J., vol.54, no.4, pp.767-781, April 1975.
4. [4] H.H. Dam, “Design of allpass variable fractional delay filter,” IEEE Trans. Signal Process., vol.59, no.12, pp.6240-6244, Dec. 2011.
5. [5] H. Sawada, N. Aikawa, and M. Sato, “Design of IIR digital all-pass filters by successive projections method,” IEICE Trans. Fandamentals, vol.E82-A, no.6, pp.1021-1025, June 1999.