ARL

audio research labs



Schuyler Quackenbush

President, Audio Research Labs
Chair, MPEG Audio Subgroup
Email: srq@audioresearchlabs.com

Schuyler Quackenbush is an expert in audio signal processing, audio signal compression, real-time implementation of algorithms, assessment of algorithm complexity and speed-up of software realizations. He contributed heavily to the MPEG Advanced Audio Coding standard, and is currently the Chair of the MPEG Audio subgroup.

Vita

1975 BS, Princeton University
1980 MSE, Georgia Institute of Technology
1985 PhD, Georgia Institute of Technology

Bibliography

  1. Quackenbush, S., Reibman, A. R., Shur, D. and Snyder, J. H., "Intellectual property protection systems and digital watermarking," Optics Express, vol. 3, no. 12, 7 Dec. 1998, pp. 478-484.
  2. Johnston, J., Herre, J., Quackenbush, S., Allen, J., Dietz, M., Davidson, G. and Boltze, T., "A tutorial on perceptual audio coding," Workshop on Perceptual Audio Coding Techniques, 105th AES Conf., San Francisco, CA, 28 Sept. 1998.
  3. Lacy, J., Quackenbush, S. R., Reigman, A. R., Shur, D. and Snyder, J. H., "On combining watermarking with perceptual coding," IEEE International Conf. Acoustics, Speech and Signal Proc. (ICASSP 98), Seattle, Wash., May 1998.
  4. Johnston, J. D., Quackenbush, S., Davidson, G., Brandenburg, K. and Herre, J., "Wavelet, subband and block transforms" in Communications and Multimedia, Akansu, A. N. and Medley, M. J. (Ed.), Kluwer, April 1998.
  5. Sinha, D., Johnston, J. D., Dorward, S. and Quackenbush, S. R., "The perceptual audio coder (PAC)" in The Digital Signal Processing Handbook, Madisetti, V. K. and Douglas, B. W. (Ed.), CRC Press, IEEE Press, 1998, pp. 42-1 to 42-18, Chapter 42.
  6. Quackenbush, S. and Johnston, J. D., "Noiseless coding of spectral components in MPEG-2 advanced audio coding," 1997 IEEE ASSP Workshop on Appl. of Sig. Proc. to Audio and Acoust., New Paltz, New York, Oct. 1997.
  7. Quackenbush, S., "Overview of ISO/IEC MPEG-2 advanced audio coding," 14th International Conf. internet.aes.org, Seattle, Wa, June 1997.
  8. Herre, J., Johnston, J. D., Brandenburg, K., Quackenbush, S. and et al, "Generic coding of moving pictures and associated audio: Advanced audio coding," ISO/IEC JTC1/SC29/WG11 MPEG International Standard ISO 13818-7, 1997.
  9. Bosi, M., Brandenburk, K., Quackenbush, S., Fielder, L., Akagiri, K., Fuchs, H., Dietz, M., Herre, J., Davidson, G. and Oikawa, Y., "ISO/IEC MPEG-2 advanced audio coding," 101st AES Convention, Los Angeles, Nov. 1996.
  10. Johnston, J. D., Sinha, D., Dorward, S. and Quackenbush, S., "AT&T perceptual audio coder (PAC)" in Collected Papers on Digital Audio Bit-Rate Reduction, Gilchrist, N. and Grewin, C. (Ed.), Audio Engineering Society, 1996.
  11. Quackenbush, S. R. and Parikh, V. N., "Using C++ for real-time signal processing," Proc. 1995 IEEE ICSPAT, Boston, Oct. 1995.
  12. Jayant, N. S., Chen, E. Y., Johnston, J. D., Quackenbush, S. R., Dorward, S. M., Thompson, K., Cupo, R. L., Wang, J-D., Sundberg, C-E. W. and Seshadri, N., "The AT&T in-band adjacent channel system for digital audio broadcasting," Proc. Int. Symp. on Digital Audio Broadcasting, Toronto, March 1994, pp. 254-267.
  13. Snyder, J. H., Quackenbush, S. R., Melchner, M. J. and Kapilow, D. A., "Tools for real-time signal processing research," IEEE Communications Magazine, Special Issue on Speech Processing, Nov. 1993, Invited Paper.
  14. Quackenbush, S. R., "A cd-quality audio and color still image multi-media platform using the DSP32C," Proc. IEEE Workshop Audio & Acoustics, Oct. 1991, Mohonk House.
  15. Quackenbush, S. R., "A 7kHz bandwidth 32 kpbs speech coder for ISDN," Proc. 1991 ICASSP '91, Toronto, Canada, May 1991.
  16. Quackenbush, S. R., "Hardward implementation of a color image decoder for remote database access," Proc. ICASSP '90, Albuquerque, NM, April 1990, pp. 985-088.
  17. Quackenbush, S. R., Ordentlich, E. and Snyder, J., "Hardward implementation of a 128 kbps monophonic audio coder," 1989 IEEE ASSP Workshop on Appl. Sig. Proc. Audio & Acoust., New Paltz, NY, Oct. 1989.
  18. Alrutz, H., Quackenbush, S. R. and Snyder, J., "An enhanced DSP32 signal processing module for the VMEbus" in WE®DSP32 Digital Signal Processor Application Guide, AT&T, June 1988, pp. 65-97.
  19. Quackenbush, S. R., "A 16 kbps subband/VQ speech coder using a single DSP32 floating point signal processor," Proc. 1988 IEEE Internat. Symp. Circuits & Systems, Espoo, Finland, June 1988.
  20. Quackenbush, S. R., "Hardware implementation of a 16 Kbps subband coder using vector quantization," Proc. IEEE ICASSP, New York, NY, Apr 1988, pp. 386-389.
  21. Cox, R. V., Gay, S. L., Seshadri, N., Shoham, Y., Quackenbush, S. and Jayant, N. S., "New directions in sub-band coding," IEEE Jour. Selected Areas in Communications, Special Issue on Voice Coding for Communications, vol. 6, no. 2, Feb 1988, pp. 391-409.
  22. Quackenbush, S. R., Barnwell, T. P., III and Clements, M. A., Objective Measures of Speech Quality, Prentice-Hall, New York, NY, 1988.
  23. Quackenbush, S. R. and Barnwell, T. P. III, "Objective measures of perceptually specific subjective qualities," Proc. ASA Conf., Austin, TX, Apr 1985.
  24. Quackenbush, S. R. and Barnwell, T. P. III, "Objective measures of perceptually specific subjective qualities," Proceedings IEEE ICASSP, Tampa, FL, March 1985.
  25. Barnwell, T. P. III, Clements, M. A., Quackenbush, S. R. and Farges, E. P., "Improved objective measures for speech quality testing," Final Report No.100-83-C-0027, DCA, Sep 1984.
  26. Quackenbush, S. R. and Barnwell, T. P. III, "The estimation of pointwise nonlinearities for improving the performance of objective speech quality measures," Proc. IEEE ICASSP, Boston, MA, April 1983, pp. 547-550.
  27. Quackenbush, S. R. and Barnwell, T. P. III, "An approach to formulating objective speech quality measures," Proc. 15th Southeastern Symp. on System Theory, Huntsville, AL, March 1983.
  28. Barnwell, T. P. III and Quackenbush, S. R., "An analysis of objectively computable measures for speech quality testing," Proc. IEEE ICASSP, Apr 1982, pp. 996-999.

Patents

  1. Beutnagel, M., Ostermann, J. and Quackenbush, S., "Advanced TTS for facial animation," U. S. Patent Filed, 27 Jan. 1999.
  2. Lacy, J. B., Quackenbush, S. and Snyder, J. H., "Custom Huffman coding tables for encoding,"' U. S. Patent Filed, 13 May 1997.
  3. Dorward, S. M., Jayant, N. S., Johnston, J. D., Quackenbush, S. R. and Thompson, K., "Device and method for efficient utilization of allocated transmission medium bandwidth," U. S. Patent Filed, Nov. 1995.
  4. Dorward, S. M., Jayant, N. S., Johnston, J. D., Quackenbush, S. R., Seshadri, N. and Sundberg, C-E. W., "Tailored error protection," U. S. Patent #5,463,641, 31 Oct. 1995.