Papers Written or Edited by John G. McKnight :

Bibliography by Subject

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1         DESIGN OF MAGNETIC RECORDING HEADS

1.01     “Specifications for Magnetic Recording and Reproducing Heads, and Tapes”, Presented at AES Convention 1970-05-07. Abstract in Jour. Audio Eng. Soc, Vol. 18, p 340 (1970-06).

1.02     E. Unger and K. Fritzsch (JGM co-translator and editor), “Calculation of Stray Reluctance of Gaps in Magnetic Circuits”, Jour. Audio Eng. Soc, Vol. 18, pp. 641...643 (1970-12).

1.03     R. Otto (JGM co-translator and editor), “The Effect of Conducting Gap Spacers on the Impedance of Magnetic Heads”, Jour. Audio Eng. Soc, Vol. 20, pp. 258...264 (1972-05).

1.04     “The Permeability of Laminations for Magnetic Recording and Reproducing Heads”, AES Preprint 1265, pp. 1...9 (1977-05).

1.05     “Magnetic Design Theory for Tape Recorder Heads”, Jour. Audio Eng Soc., Vol 27, pp. 106...120 (1979-03).

1.06     “How the Magnetic Characteristics of a Magnetic Tape Head Are Affected by Gap Length and a Conducting Spacer”, Jour. Audio Eng. Soc, Vol. 26, pp. 930...934 (1978-12).

1.07      “Excess Spacing Loss with Alfenol-Core and Ferrite-Core Magnetic Tape Reproducing Heads”, Jour. Audio Eng. Soc, Vol. 42, pp. 141...146 (1994-03).

2         MAGNETIC RECORDING PROCESS

2.01     “The Effect of Bias Amplitude on Output at Very Short Wavelengths”, Jour. Audio Eng. Soc, Vol. 9, pp. 98...102 (1961-03).

2.02     “Biasing in Magnetic Tape Recording”, Electronics World, Vol. 78, pp. 34...36, 75 (1967-08): Also in Ampex Readout Vol. 7, pp. 14, 15 (1968 Nr. 1).

3         MAGNETIC REPRODUCING PROCESS

3.01     K. Fritzsch (JGM Co-translator and editor), “Long-wavelength Response of Magnetic Reproducing Heads”, IEEE Audio & Electroacoustics, Vol. AU-16, pp. 486...494 (1968-12).

3.02     “Tape Flux Measurement Theory and Verification”, Jour. Audio Eng. Soc, Vol. 18, 250...262 (1970-06). [Also published in Japanese translation in Eiga-TV Gijutsu, 239 pp. 9, 59...64 and 240 pp. 58...65 (Journal of the Motion Picture and Television Engineering Society of Japan) (1972).]

3.03     “The Fringing Response of Magnetic Reproducers at Long Wavelengths”, Jour. Audio Eng. Soc, Vol. 20, pp. 100...105 (1972-06). See 6.17 for an update of this paper.

3.04     “Gap-length Response in Magnetic Reproducers: Calculation, Measurement, and Compensations”, AES Preprint 1297, pp. 1...8 (1977-11).

3.05     “Corrigendum: To the Gap Loss Formula, the Asymptotic Expansion (Eq. 15a) of Westmijze's”Studies on Magnetic Recording”, Jour. Audio Eng. Soc, Vol. 39, Nr. 11, p. 878 (1991-11).

4         MAGNETIC ERASING PROCESS

4.01     “Erasure of Magnetic Tape”, Jour. Audio Eng. Soc, Vol. 11, pp. 223...233 (1963-10).

5         SIGNAL AND NOISE CONSIDERATIONS IN AUDIO RECORDING

5.01     “Signal-to-noise Considerations in Master Recording Systems”,  a part of "The Multichannel Recording for Mastering Purposes", by Fuji, Rehklau, McKnight, and Miltenberg,, Jour. Audio Eng. Soc, Vol. 8, pp. 245...257 (1960-10).

5.02     “Signal-to-noise Problems and a New Equalization for Magnetic Recording of Music”, Jour. Audio Eng. Soc, Vol. 7, pp. 5...12 (1959-01).

5.03     “The Distribution of Peak Energy in Recorded Music, and its Relationship to Magnetic Recording Systems”, Jour. Audio Eng. Soc, Vol. 7, pp. 65...71 (1959-04).

5.04     “The Frequency Spectra of Several Languages as a Criterion for the Frequency Response of Language Laboratories”, AES Preprint 288 (1963-10).

5.05     “A Comparison of Several Methods of Measuring Noise in Magnetic Recorders for Audio Applications”, IRE Trans. Audio, Vol. AU-8, pp. 39...42 (1960-03 & 04).

5.06     “The Case Against Low-frequency Pre-emphasis in Magnetic Recording” Jour. Audio Eng. Soc, Vol. 10, pp. 106, 107 (1962-04).

5.07     “Optimizing the Subjective Signal and Noise Levels in Commercial Tape Records”, paper presented at the AES Convention 1969-10-16. Abstract in Jour. Audio Eng. Soc, Vol. 17, p 718 (1969-12).

5.08     JGM and Peter F. Hille, “Master-tape Equalization Revisited”, AES Preprint 856 (1972-05).

5.09     JGM and Trevor Kendall, “Proposed Equalization for 15 in/s Master Recording on High-output, Low-Noise Tapes”, AES Preprint 920 (1973-05).

6         FREQUENCY AND WAVELENGTH RESPONSE, MEASUREMENTS, STANDARDIZATION, etc. (See also Sec. 3)

6.01    “The Frequency Response of Magnetic Recorders for Audio”, Jour. Audio Eng. Soc, Vol. 8, pp. 146...153 (1960-07). [Abridged reprint in Broadcasting and Television, Vol. 12 (Australia), pp. 32,34 (1962-03-29).]

6.02     “Flux and Flux-frequency Measurements and Standardization in Magnetic Recording”, JSMPTE, Vol. 78, pp. 457...472 (1969-06). [Revision of “Absolute Flux and Frequency Response Characteristics in Magnetic Recording”, Jour. Audio Eng. Soc, Vol. 15, pp. 254...272 (1967-07), which it replaces.]

6.03     “Tape Reproducer Response Measurements with a Reproducer Test Tape”, Jour. Audio Eng. Soc, Vol. 15, pp. 152...156 (1967-04).

6.04     JGM and R.K. Morrison, “Test Tapes”, db Magazine, Vol. 2, pp. 26...31 (1968-11).

6.05     “A List of Published Standards Related to Magnetic Sound Recording”, Jour. Audio Eng. Soc, Vol. 15, pp. 314+, (1967-07).

6.06     “Audio Standards Listings: Standards Organizations” and “Audio Standards Listings: Magnetic Sound Recording”, Jour. Audio Eng. Soc, Vol. 18, pp. 317...321 (1970-06). Updates 1967-07

6.07     “Measuring a Tape Reproducer with IEC-Response, Using an NAB-Response Test Tape”, Jour. Audio Eng. Soc, Vol. 17, p 572 (1969-10).

6.08     “Studio Tape Recorder Measurements and Adjustment”, presented at the Workshop on Studio Tape Recorders, AES Convention 1971-10-06. Abstract in Jour. Audio Eng. Soc, Vol. 19, p 880 (1971-11). Outline of talk available.

6.09     “EIA RS-400 Reproducer Test-tape Reviewed”, Jour. Audio Eng. Soc, Vol. 21, pp. 115...117 (1973-03).

6.10     “Performance and Interface Specifications for Professional Audio Magnetic Recorders”, AES Preprint 903 (1972-09).

6.11     “Operating Levels in the Duplication of Philips Cassette Records”, Jour. Audio Eng. Soc, Vol. 15, pp. 454, 456 (1967-10).

6.12     “The 'Difference Method' for Azimuth Adjustment in Magnetic Tape Reproducers”, AES Convention 1973-05-16. Abstract Jour. Audio Eng. Soc, Vol. 21, p 482 (1973 Nr 6).

6.13     “Desirability of a Tape Rating System” (Letter), Jour. Audio Eng. Soc, Vol. 20, p 762 (1972-11).

6.14     “Open-circuit Versus Short-circuit Tape Flux Measurement”, AES Convention 1974-09. Abstract in Jour. Audio Eng. Soc, Vol. 22, p 728 (1974-11).

6.15     “Frequency-sweep Test Tapes: Design and Use”, AES Convention 1974-09. Abstract in Jour. Audio Eng. Soc, Vol. 22, p 732 (1974-11).

6.16     JGM, R.K. Morrison, and Steve Katz: “Alignment”, Recording Engineer/Producer, Vol 6, Nr 1, pp 19+ (1975-02).

6.17     “Low-frequency Response Calibration of a Multitrack Magnetic Tape Recording and Reproducing System”, Jour. Audio Eng. Soc, Vol. 26, pp. 202...208 (1978-04).

6.18     “On the Need for a Standard Method for Primary Calibration of the Frequency and Wavelength Response of a Magnetic Tape Reproducer”, Jour. Audio Eng. Soc., Vol. 26, pp. 867...870 (1978-11).

6.19     “A History of Audio Standards Writing in the USA”, a part of "Standardization Activity of the AES –the History Before 1982" by Langdon, Queen, McKnight, and Campbell,  Jour. Audio Eng. Soc, Vol. 30, Nr. 4, pp. 240...248 (1982-04).

6.20     JGM, B Cortez and JA McKnight, “Tape Flux Measurement Revisited”, Jour. Audio Eng. Soc, Vol. 46, Nr. 10, pp. 845...858 (1998-10).

6.21     Otto Schmidbauer, (JGM editor), “Determining the Magnetization of Magnetic Tape”, Jour. Audio Eng. Soc, Vol. 46, Nr. 10, pp. 859...864 (1998-10).

6.22     German Standard 45 520 (Unofficial translation, JGM editor) “Method for Measuring the Absolute Magnitude and Frequency Response of the Flux on Magnetic Tape”, Jour. Audio Eng. Soc, Vol. 46, Nr. 10, pp. 865...867 (1998-10).

7         AUDIO SYSTEMS AND PRACTICES

7.01     “Why Stereo? The Philosophy of Multichannel Recording of Music”, Jour. Audio Eng. Soc, Vol. 8, pp. 87...90 (1960-04).

7.02     “Audio Transmission Systems: Theory, Standards, and Practice”, a panel discussion organized and chaired by JGM, AES Convention 1970-10-15. Abstract in Jour. Audio Eng. Soc, Vol. 18, p 704 (1970-12).

7.03     “Noise Index Measurements”, Recording Engineer/Producer, Vol. 9, pp. 14, 16 (1978-02).

7.04     “'Matching' Signal Interconnections of Professional Audio Components”, Recording Engineer/Producer, Vol. 12 Nr. 3, pp. 68, 70, 72, 73 (1981-06).

8         PROGRAM LEVEL INDICATORS

8.01     “A Review of Program Level Indicating Systems”, Presented at the AES Convention 1970-05-04. Abstract in Jour. Audio Eng. Soc, Vol. 18, p 332 (1970-06).

8.02     “The Practical Measurement of vu Meter Dynamic Characteristics”, Presented at the AES Convention 1965-04-29. Abstract in Jour. Audio Eng. Soc, Vol. 13, p 264 (1965-07).

9         TAPE TRANSPORT DESIGN, FLUTTER MEASUREMENT, etc.

9.01     “Time Base Distortion in Continuous Recording Systems: its Terminology, Measurement, Causes, and Effects”, Jour. Audio Eng. Soc, Vol. 10, pp. 44...48 (1962-01).

9.02     W. Wolf (JGM co-translator and editor), “Electromechanical Analogs of the Filter Systems Used in Sound Recording Transports”, IEEE Trans Audio & Electroacoustics, Vol. AU-14, pp. 66...85 (1966-06). [Revision and expansion of “An Investigation of Speed Variations in a Magnetic Tape Recorder, with the Aid of Electro-mechanical Analogies”, Jour. Audio Eng. Soc, Vol. 10, pp. 119...129 (1962-04), which it replaces.]

9.03     “Mechanical Damping in Tape Transports”, Jour. Audio Eng. Soc, Vol. 12, pp. 140...146 (1964-04).

9.04     “Speed, Pitch, and Timing Errors in Tape Recording and Reproducing”, Jour. Audio Eng. Soc, Vol. 16, pp. 266...274 (1968-07).

9.05     “Comments on Wow and Flutter Perceptibility” (Letter) Jour. Audio Eng. Soc, Vol. 18, pp. 440, 441 (1970-08).

9.06     E. Belger (JGM co-translator and editor), “On Measuring Frequency Variations”, IEEE Trans on Audio & Electroacoustics, Vol. AU-20, pp. 79, 80 (1972-03).

9.07     “Development of a Standard Measurement to Predict Subjective Flutter”, IEEE Trans Audio & Electroacoustics, Vol. AU-20, pp. 75...78 (1972-03).

9.08     “The New Standard for Weighted Peak Flutter Measurements”, db Magazine, Vol. 8, Nr. 1, pp. 28...30 (1974-01). [Revision of “Weighted Peak Flutter Measurement— a Summary of the New IEEE Standard”, Jour. Audio Eng. Soc, Vol. 19, pp. 859...861 (1971-11), which it replaces.]

9.09     JGM and Mark R. Weiss, “Flutter Analysis for Identifying Tape Recorders”, Jour. Audio Eng. Soc, Vol. 24, pp. 728...734 (1976-11).

9.10     “Azimuth and Interchannel Time Displacement Error in Multi-track Tape Recording”, AES Preprint 1666, pp 1...9 (1980-05)

10       MISCELLANY

10.01   On “rms” Power: “and Displease an Engineer” (Letter) Audio Magazine, Vol. 49, p 6 (1965-11).

10.02   “Comment on 'What's a Watt (rms)?'” (Letter) Jour. Audio Eng. Soc, Vol. 20, p 46 (1972-01&02).

10.03   “Regarding Accurate Terminology” (Letter re 'gain' and 'amplification') Jour. Audio Eng. Soc, Vol. 18, p 440 (1970-08).

10.04   “Unit Standards”, db Magazine, Vol. 2, p 22 (1968-10).

10.05   “Advantages of Using Peak Power Ratings Instead of Average Power”, (Letter) Jour. Audio Eng. Soc, Vol. 20, p 584 (1972-09).

10.06   “How to Write the Date”, Jour. Audio Eng. Soc, Vol. 22, p 819 (1974-12).

10.07   “Quantities, Units, Letter Symbols, and Abbreviations”, Jour. Audio Eng. Soc, Vol. 24, pp. 40...44 (1976-01&02).

10.08   About MRL: Ralph Hodges, “Magnetic Reference Laboratory and the State of Reproducer Calibration”, and “Jay McKnight and MRL”, db Magazine, Vol. 11 Nr. 14, pp. 52...57 (1980-11).

10.09   “Demagnetizing a Tape Recorder”, db Magazine, Vol. 21, Nr. 4, pp. 41...43 (1987-07/08).

10.10   “Some Topics in Restoring Old Tape Masters: Equalization Standards, Azimuth Standards, Tape Improvements, and Print-Thru”, based on a talk given at the AGFA Forum “Restoring Old Masters”, Registry Hotel, Los Angeles, CA, (1989-04-12). Paper in draft

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1999-09-14
Links added 2007-09-10