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A
member and fellow ("for contributions to the design and testing
of low-frequency loudspeakers") of the Audio Engineering
Society, Mr. Keele has presented and published over thirty-five
technical papers on loudspeaker design and measurement methods
and other related topics, among them the paper for which he won
the AES Publication Award, "Low-Frequency Loudspeaker Assessment
by Nearfield Sound-Pressure Measurement" (J. Audio Eng. Soc.,
vol. 22, p. 154 (1974 Apr.). He is a frequent speaker at AES section
meetings and workshops, has chaired several AES technical paper
sessions, and has been a member of several AES committees including
being on the AES review board. Mr. Keele is a past member of the
AES Board of Governors and is past Vice President, Central Region
USA/Canada of the AES.
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1.
"The Vented Loudspeaker: A Restatement," Presented
at the 42nd Convention of the Audio Engineering Society,
Preprint No. 842 (L-10), (May 1972).
2.
"The Design and Use of a Simple Pseudo Random Pink-Noise
Generator," J. Audio Eng. Soc., (Jan./Feb. 1973).
3.
"Sensitivity of Thiele's Vented Loudspeaker Enclosure
Alignments to Parameter Variations," J. Audio Eng.
Soc., (May 1973)
4.
"Optimum Horn Mouth Size," Presented at the
46th Convention of the Audio Engineering Society, Preprint
No. 933 (B-7), (Sept. 1973).
5.
"A Tabular Tuning Method for Vented Enclosures,"
J. Audio Eng. Soc., (March 1974).
6.
"Low-Frequency Loudspeaker Assessment by Nearfield
Sound-Pressure Measurement," J. Audio Eng. Soc.,
(April 1974).
7.
"What's So Sacred About Exponential Horns?,"
Presented at the 51st Convention of the Audio Engineering
Society, Preprint No. 1038 (F-3), (May 1975).
8.
"A New Set of Sixth-Order Vented-Box Loudspeaker
System Alignments," J. Audio Eng. Soc., (June 1975).
9. "Application of Recent Australian Loudspeaker
Research to Producible Loudspeaker Systems," Presented
at the 1976 IEEE International Conference on Acoustics,
Speech, and Signal Processing, (April 1976).
10.
"An Efficiency Constant Comparison Between Low-Frequency
Horns and Direct-Radiators," Presented at the 54th
Convention of the Audio Engineering Society, Preprint
No. 1127 (M-1), (May 1976).
11.
"Low-Frequency Horn Design Using Thiele/Small Driver
Parameters," Presented at the 57th Convention of
the Audio Engineering Society, Preprint No. 1250 (K-7),
(May 1977).
12.
"AWASP: An Acoustic Wave Analysis and Simulation
Program," Presented at the 60th Convention of the
Audio Engineering Society, Preprint No. 1365 (D-8), (May
1978).
13.
"Automated Loudspeaker Polar Response Measurements
Under Microcomputer Control," Presented at the 65th
Convention of the Audio Engineering Society, Preprint
No. 1586 (C7), (Feb. 1980).
14.
"Direct Low-Frequency Driver Synthesis from System
Specifications," J. Audio Eng. Soc., (Nov. 1982).
15.
"Improvements in Monitor Loudspeaker Systems,"
J. Audio Eng. Soc., (June 1983).
16.
"A Microcomputer Program for Central Loudspeaker
Array Design," Presented at the 74th Convention of
the Audio Engineering Society, Preprint No. 2028, (Oct.
1983).
17.
"A Loudspeaker Horn That Covers a Flat Rectangular
Area from an Oblique Angle," Presented at the 74th
Convention of the Audio Engineering Society, Preprint
No. 2052 (D-7), (Oct. 1983).
18. "The Effects of Interaural
Crosstalk on Stereo Reproduction and Minimizing Interaural
Crosstalk in Nearfield Monitoring by the Use of a Physical
Barrier," Presented at the 81st Convention of the
Audio Engineering Society, (Nov. 1986).
Part
1: Preprint No. 2420-A (B-10)
Part
2: Preprint No. 2420-B (B-10)
19. Speech Intelligibility Measurements Using
TEF Analysis," Presented at the 113th Meeting of
the Acoustical Society of America, Paper T5, (May 1987).
20.
"Evaluation of Room Speech Transmission Index and
Modulation Transfer Function by the Use of Time Delay
Spectrometry," Presented at the Audio Engineering
Society 6th International Conference, Preprint 2.E, (May
1988).
21.
"Effective Performance of Bessel Arrays," J.
Audio Eng. Soc., (October 1990).
22.
"Measurement of Polarity in Band-Limited Systems,"
Presented at the 91st Convention of the Audio Engineering
Society, Preprint No. 3168 (K-2), (Oct. 1991).
23.
"Maximum Efficiency Of Direct-Radiator Loudspeakers,"
Presented at the 91st Convention of the Audio Engineering
Society, Preprint No. 3193 (G-3), (Oct. 1991).
24.
"Loudspeaker Production Testing Using the Techron
TEF System 20 TDS Analyzer and Host PC," Presented
at the 11th International Conference of the Audio Engineering
Society, Paper No. 11-032, (May 1992).
25.
"The Analytic Impulse and the Energy-Time Curve:
The Debate Continues," Presented at the 93rd Convention
of the Audio Engineering Society, Preprint No. 3399 (I-5),
(Oct. 1992).
26.
"Anechoic Chamber Walls: Should They Be Resistive
or Reactive at Low Frequencies?," Presented at the
94th Convention of the Audio Engineering Society, Preprint
No. 3572 (G2-2), (Mar. 1992).
27.
"Log Sampling in Time and Frequency: Preliminary
Theory and Application," Presented at the 97th Convention
of the Audio Engineering Society, Preprint No. 3935 (K-1),
(Nov. 1994).
28.
"Time-Frequency Display of Electro-Acoustic Data
Using Cycle-Octave Wavelet Transforms," presented
at the 99th Convention of the Audio Engineering Society,
New York (Oct. 1995).
29.
"The Application of Broadband Constant Beamwidth
Transducer (CBT) Theory to Loudspeaker Arrays," presented
at the 109th Convention of the Audio Engineering Society,
Los Angeles (Sept. 2000).
30.
"Development of Test Signals for the EIA-426-B Loudspeaker
Power Rating Compact Disk," presented at the 111th
Convention of the Audio Engineering Society, New York
(Sept. 2001).
31.
"Suspension Bounce as a Distortion Mechanism in Loudspeakers
with a Progressive Stiffness," presented at the 112th
Convention of the Audio Engineering Society, Munich (May
2002).
32.
"Implementation of Straight-Line and Flat-Panel Constant
Beamwidth Transducer (CBT) Loudspeaker Arrays Using Signal
Delays," presented at the 113th Convention of the
Audio Engineering Society, Los Angeles (Oct. 2002).
33.
"The Full-Sphere Sound Field of Constant Beamwidth
Transducer (CBT) Loudspeaker Line Arrays," J. Audio
Eng. Soc., (July/August 2003).
34.
"Practical Implementation of Constant Beamwidth Transducer
(CBT) Loudspeaker Circular-Arc Line Arrays," presented
at the 115th Convention of the Audio Engineering Society,
New York (Oct. 2003).
35
"Comparison of Direct-Radiator Loudspeaker System
Nominal Power Efficiency vs. True Efficiency with High-Bl
Drivers," presented at the 115th Convention of the
Audio Engineering Society, New York (Oct. 2003).
36.
"Maximum Efficiency of Compression Drivers,"
presented at the 117th Convention of the Audio Engineering
Society, San Francisco (Oct. 2004).
37.
"Interpolating Linear- and Log-Sampled FIR Filtering
and Convolution," presented at the 117th Convention
of the Audio Engineering Society, San Francisco (Oct.
2004).
38.
"Ground-Plane Constant Beamwidth Transducer (CBT)
Loudspeaker Circular-Arc Line Arrays," presented
at the 119th Convention of the Audio Engineering Society,
New York (Oct. 2005).
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