Tavares, "Nature and Application of Digital Filters," The Engineering Journal (The Engineering Institute of Canada), vol. 50, No. 1, Jan. 1967, pp. 23-27. |
Brochure entitled "The Heritage" by Zenith Hearing Aid Sales Corporation, (publication date unknown). |
Rabiner et al., "Terminology in Digital Signal Processing," IEEE Trans. Audio Electro. Acoust., vol. AV-20, pp. 322-337, Dec. 1972. |
Bader et al., "Programmgesteuertes Rauschfilter," Fernseh und Kino Technik, 1974, No. 8, pp. 231-233 (in German). Accompanying English translation (A Program Controlled Noise Filter). |
Barford, "Automatic Regulation Systems with Relevance to Hearing Aids," Scandinavian Audiology Supplement, (6/1978), pp. 335-378. |
Mangold et al., "Programmerbart Filter Hjalper Horselskade," Elteknik med Aktuell Elektronik, 1977, No. 15, pp. 64-66 (In Swedish). Accompanying English translation Programmable Filter Helps Hearing Imparied People. |
Braida et al., "Hearing Aids--A Review of Past Research," ASHA Monographs, No. 19, 1979, pp. 54-56, section entitled Characteristics of Compression Amplifiers. |
Mangold et al., "Programmable Hearing Aid with Multichannel Compression," Scandinavian Audiology 8, 1979, pp. 121-126. |
Mangold et al., "Multichannel Compression in a Portable Programmable Hearing Aid," Hearing Aid Journal, Apr. 1981, pp. 6, 29, 30, 32. |
Walker et al., "Compression in Hearing Aids: An Analysis, A Review and Some Recommendations", National Acoustics Laboratories, NAL Report, No. 30, Jun. 1982, Australian Government Publishing Service. |
McNally, "Dynamic Range Control of Digital Audio Signals," J. Audio Eng. Soc., vol. 32, No. 5, May 1984, pp. 316-326. |
Williamson, "Gisting Analysis" Rome Air Development Center Final Technical Report RADC-TR-84-130, Jun. 1984. |
Stikvoort, "Digital Dynamic Range Compressor for Audio," J. Audio Eng. Soc., vol. 34, No. 1/2, Jan./Feb. 1986, pp. 3-9. |
White, "Compression Systems for Hearing Aids and Cochlear Prostheses," Veterans Administration Journal of Rehabilitation Research and Development, vol. 23, No. 1, 1986, pp. 25-39. |
Cummins et al., "Ambulatory Testing of Digital Hearing Aid Algorithms," RESNA 10th Annual Conference, San Jose, Calif., 1987, pp. 398-400. |
P. J. Bloom, "High-Quality Digital Audio in the Entertainment Industry: An Overview of Achievements and Challenges," IEEE ASSP Magazine, Oct. 1985, pp. 2-25. |
"TMS320 First-Generation Digital Signal Processors," brochure published by Texas Instruments, Jan. 1987. |
P. O. Vaidyanathan, "Quadrature Mirror Filter Banks, M-Band Extensions and Perfect Reconstruction Techniques," IEEE ASSP Magazine, Jul. 1987, pp. 4-20. |