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FW: [AUDITORY] mp3 and the perceptual coding

Well, I'm sorry that Engineers are engineers, but you might try the following (written by this Engineer, I fear), one of the pioneers in the audio perceptual coding field, perhaps:

Johnston, James D, "Perceptual Audio Coding - A History and Timeline",41st Asilomar Conference on Signals, Systems and Computers, 2007.

Jayant, N. S., Johnston, J. D. and Safranek, R. J., "Signal compression based on models of human perception," Proc. IEEE, Oct. 1993, pp. 1385-1422.

Brandenburg, K., Herre, J., Johnston, J. D., Mahieux, Y. and Schroeder, E. F., "ASPEC: Adaptive spectral entropy coding of high quality music signals," 90th Convention of the AES, Feb. 1991, Preprint 3011 A-4. 
Brandenburg, K., Stoll, G., Johnston, J. D. and et al, "Coding of moving pictures and associated audio for digital storage media at up to about 1.5 mb./s audio," ISO/IEC JTC1/SC29/WG11 MPEG: International Standard ISO 11172-3, 1991. 
Johnston, J. D. and Brandenburg, K., "Wideband coding - Perceptual considerations for speech and music" in Advances in Speech Signal Processing, Furui and Sondhi (Ed.), Marcel Dekker, 1991, Preprint 3011 A-4. 
Brandenburg, K. and Johnston, J. D., "Second generation perceptual audio coding: The hybrid coder," AES 88th Conv. Preprint, March 1990. 
Safranek, R. J., Johnston, J. D. and Rosenholtz, R. E., "A perceptually tuned sub-band image coder," Proc. SPIE Symp. Human Vision & Electronic Imaging: Models, Methods & Applications, Santa Clara, CA, Feb. 1990. 
Johnston, J. D., "Digital audio - Future trends in quantization, storage, and compression," AES 7th Intn'l. Conf. Audio in Digital Times, May 1989. 
Johnston, J. D., "Perceptual transform coding of wideband stereo signals," ICASSP '89, May 1989, pp. 1993-1996. 
Safranek, R. J. and Johnston, J. D., "A perceptually tuned sub-band image coder with image dependant quantization and post quantization data compression," ICASSP '89, May 1989, pp. 1945-1948. 
Johnston, J. D., "Transform coding of audio signals using perceptual noise criteria," IEEE Jour. Selected Areas in Commun., vol. 6, no. 2, Feb 1988, pp. 314-323. 
Johnston, J. D., "Estimation of perceptual entropy using noise masking criteria," ICASSP '88 Record, 1988, pp. 2524-2527. 
Cox, R. V., Bock, D. E., Bauer, K. B., Johnston, J. D. and Snyder, J. H., "The analog voice privacy system," AT&T Tech. Jour., vol. 66, no. 1, Jan-Feb 1987, pp. 119-131.

Or look at


James D. Johnston  (jj@xxxxxxx)

425-814-3200, ext. 134 - office
425-814-3204 - fax
206-321-7449- mobile

11410 NE 122nd Way,  Suite 100
Kirkland, WA 98034

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-----Original Message-----
From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxxxxxxxxx] On Behalf Of Massimo Grassi
Sent: Thursday, March 25, 2010 6:42 AM
To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: [AUDITORY] mp3 and the perceptual coding

> You haven't mentioned the background of the students yet, tough - is
> there any information theory in their curriculum?  The benefits of
> perceptual coding are hard to explain without pointing the difference
> between lossy and lossless coding (and why the former is so much more
> efficient).

they are psychology students. in fact, the problem is that, so far, I 
found things written mostly by engineers (I guess).

in the mean time, thanks for all the replies,

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