Electronotes Newsletters Volume 1 (January - June 1972) EN# 1 01 Digital Synthesiser (Introduction) EN# 2 01 Digital Rhythm Synthesiser EN# 3 01 Digital Melody Synthesiser EN# 4 01 (This issue contains only newsletter details and list of interesting papers) EN# 5 02 Digital Synthesiser - Final Comments (Almost) EN# 5 05 Reader's Circuits - VCO, Fan-out Expander, Clock for TTL EN# 5 06 Composition: Four Sounds From The Early Days EN# 5 06 Literature Review EN# 6 02 Editorial: The Philosophy Of Electronic Music EN# 6 05 Reader's Circuits: Neon Oscillator, Envelope Shaper, Resonant Amplifier EN# 6 06 Composition EN# 6 07 Literature Review EN# 7 04 Waveshaping EN# 7 07 Reader's Equipment - Digital Waveshaping System EN# 7 10 Composition: Simple But Useful Echo Effects With A Stereo Tape Recorder EN# 7 11 Literature Review EN# 7 13 Performance Review: Electronotes Tape, Non-Such Guide, Switched-On Bach EN# 7 15 Product Review: Total, Ionic, EMSA, EN# 7 16 Mechanical Standards For Synthesisers EN# 8 02 Fourier Analysis EN# 8 04 Reader's Equipment: VCO, Melody Generator EN# 8 05 Composition EN# 8 06 Literature Review EN# 8 07 Theory Of Hearing 1: An Experiment EN# 8 08 Experimenting With The NE566 (Craig Anderton) Volume 2 (July - December 1972) EN# 9 02 Envelope Shaper EN# 9 06 Reader's Equipment: Antilog Amp, Signal Generator, VCA EN# 9 07 Composition EN# 9 08 Literature Review EN# 9 09 Product Review: Buchla keyboard & Exar ICs S-003 EN# 9 10 Philosophy Of Electronic Music 2: A Critique And Some Comments On Part 1 EN# 9 14 Signal Interaction; Mixing And Forms Of Amplitude Modulation EN# 9 16 Basic Passive Filters (Robert Rioja) EN# 9 17 Musical Acoustics 1 EN# 9 17 Theory Of Hearing 2, Musical Acoustics 2 EN# 10 01 Basic Course In Electronic Music, Lesson 1: Parts 1-3: Organisation & Passive Component EN# 10 04 Reader's Equipment: Power Amp (1W) EN# 10 05 Composition: Tape Delay Line For EM (Tom Mintner) EN# 10 06 Literature Review: Papers EN# 10 06 Performance Review - A Clockwork Orange, By Walter Carlos EN# 10 08 Envelope Generator Refinements 1 EN# 10 08 A White Noise Source EN# 11 01 Digisyntone Corrections (Original Article in Radio Electronics, Sept. 1970) EN# 11 03 Reader's Equipment: Noise Sources EN# 11 03 Composition: Technique #1 (John Marshall) EN# 11 04 Literature Review EN# 11 05 Performance Review: Carlos, Stockhausen & Electronic Concept Orchestra EN# 11 06 Basic Course: Lesson 2, Part 4 - Discrete Active Components EN# 11 08 Envelope Generator Refinements 2 EN# 12 01 Systems Theory In The Design Of Electronic Music Systems (Glenn Sogge) EN# 12 04 Multiplier Modules, VCAs, Modulators etc EN# 12 04 Frequency Shifting 1: Towards A Poor Man's Frequency Shifter EN# 12 05 Digital Harmonics 1, Waveshaping 2 - "Games For 2 AM) EN# 12 07 Basic Course, Lesson 3, Part 5 - Integrated Circuits EN# 13 01 Frequency Modulation - Applications EN# 13 04 Reader's Equipment - A TTL "Digisyntone", Exponential VCO (Rossum), Phase Shifter EN# 13 06 Composition: Classical Phasing (Craig Anderton) EN# 13 07 Literature Review EN# 13 08 Performance Reviews: Pierre Henry, Charles Dodge, M.Czajkowski, M.Subotnick EN# 13 09 Product Review: Total "Octron" EN# 13 10 More On Multipliers EN# 13 11 Frequency Shifting 2: Other Methods EN# 13 12 Digital Harmonics 2 EN# 13 13 Basic Course, Lesson 4, Part 7 - 10 EN# 13 16 Design Considerations In Synthesiser Systems (Dave Rossum) EN# 14 02 Phase-Locked Loops 1 EN# 14 04 Reader's Equipment: Keyboard S&H (Rossum), Duophonic Keyboard EN# 14 06 Composition EN# 14 06 Literature Review: NE560-567 PLLs etc EN# 14 08 Product Review: EML101, DEW EN# 14 08 Basic Course: Lesson 5, Part 11 EN# 15 02 The Rest Of The Voltage Controlled Modules, Initial Designs EN# 15 07 Product Review (PAiA, AEU, TNY) EN# 15 07 Universal Active Filters (Dave Rossum) EN# 15 08 Basic Course, Lesson 6, Part 12 EN# 16 01 Introduction To Walsh Functions EN# 16 03 Reader's Equipment: New Exponential VCO and "Chip" VCO (Rossum) EN# 16 04 Composition: Composing On A Low Budget! EN# 16 05 Product Review (Total Technology) EN# 16 05 Fourier Analysis 2: Common Periodic Functions EN# 16 07 Basic Course, Part 13, A Little Integral Calculus Volume 3 (January - June, 1973) EN# 17 02 An Experimental Additive Synthesis Device Employing Walsh Functions As Harmonics EN# 17 04 Reader's Ideas: Fourier Harmonics Gen., Relay Step Sequencer, Spectrum Sampler EN# 17 06 Performance Review: Walter Sear, Bruce Hack, Beaver & Krause EN# 17 07 Basic Course, Lesson 8, Part 14, Envelope Waveforms EN# 17 08 Deriving Single Pulses Denoting Single Segments Of Walsh Waveforms EN# 18 04 A New Sample-And-Hold Circuit EN# 18 04 Composition: Organising For Composition, Part 1 EN# 18 06 Literature Review EN# 18 06 Basic Course, Lesson 9, Part 15, Filters 1 EN# 19 01 Generation Of Envelopes Using Walsh Functions - Initial Considerations EN# 19 04 Composition: Organisation For Composition, Part 1 EN# 19 04 Educational Aspects Of Electronic Music: Teaching Electronics EN# 19 05 Literature Review EN# 19 05 Power Supplies 1: Voltage Regulators (Dave Rossum) EN# 19 08 Theory Of Hearing 3: Pitch vs. Frequency EN# 20 02 Completed Basic Walsh Function Synthesiser - Envelope Control etc. EN# 20 05 Construction Outline - Part 1, Items 1 - 12 EN# 20 06 Hadamard And Other Transforms EN# 21 01 Synthesiser Keyboards (Dave Rossum) EN# 21 04 Educational Aspects Of Electronic Music: Selling The Synthesiser Buy EN# 21 04 Literature Review EN# 21 05 Product Review: Synthi AKS, EMSA Programmable Waveform Generator (PWG-2), EMU EN# 21 06 Basic Course, Lesson 10, Part 16: Technical Aspects Of Musical Scales EN# 22 01 Digital 4 Bit Envelope Generator (Ralph Burhans) EN# 22 05 Reader's Ideas: Proposed Design For A 4 Part Envelope Generator EN# 22 06 On Transient Generators (Dave Rossum) EN# 22 08 Basic Course, Lesson 11, Part 17 Reading EN# 23 02 Comparison Of Methods For Producing Arbitrary Waveforms And Envelopes (Hal Chamberlin) EN# 23 05 Composition: How To Make A "Raindrop" Cannon EN# 23 05 Educational Aspects Of Electronic Music EN# 23 06 Literature Review EN# 23 08 Basic Course, Lesson 11, Parts 17, A Note In The Life Of A Simple Synthesiser, Part 18, Quiz EN# 23 11 Construction Outline - Part 2, Items 13 - 17 EN# 23 12 Non-Harmonic Effects Using Walsh Functions, Part 1 EN# 24 02 More Thoughts On System Design (Dave Rossum) EN# 24 05 Educational Aspects Of Electronic Music EN# 24 05 Literature Review EN# 24 06 Product Review: Emu Modules EN# 24 06 Basic Course, Lesson 12, Part 19: Some Quiz Answers And Tips, Part 20: What Is S & H EN# 24 07 Three Additional Electronic Music Applications Of Walsh Functions Volume 4 (July 1973 - December 1973) EN# 25 02 The Role Of Phase In Waveshape And Timbre (Hal Chamberlin) EN# 25 05 Project Ideas: Frequency Doubler EN# 25 05 Project Ideas: VC Phase Delay Between Walsh Harmonic Banks EN# 25 06 Project Ideas: PLLs And Paralleling VCOs EN# 25 07 Project Ideas: Formant Filtering, Non-Linear VCF Tracking, Programmable Patching EN# 25 07 Project Ideas: Development Of Walsh Generator VC Phase Shift System EN# 25 08 Project Ideas: Investigation Of A Variety Of Scales EN# 25 08 Project Ideas: Modulation And Spectrum Shifting, Envelope Selection For VCFs EN# 25 08 Extensive Study Of Literature On Scientific Studios Of Musical Instruments EN# 26 02 On Changing Linear Waveforms And Envelopes To Exponential EN# 26 05 Composition: Parameters Of Audio Production (Steven Birchall) EN# 26 06 Literature Review EN# 26 07 Basic Course, Lesson 13, Part 21: Some Mathematics And Applications EN# 27 01 Introduction To The New Synthesiser (ENS-73) EN# 27 02 Literature Review EN# 27 04 Performance Review: Second Club Tape EN# 27 05 Product Review EN# 27 07 Errors In Past Issues EN# 28 01 Presentation Of The ENS-73, Part 1: The Overall System And VCO Options EN# 29 01 Presentation Of The ENS-73, Part 2: The Minimal Operational Setup (ENS-73-MO) EN# 30 02 Presentation Of The ENS-73, Part 3: VCF2, Noise 1, S&H 1 EN# 30 05 Literature Review EN# 30 07 Basic Course: Lesson 14, Part 22, More Math With Applications EN# 31 03 Some Notes On Sequencers 1: (Controller Series 1) EN# 31 05 Reader's Equipment: (Controller Series 2) EN# 31 05 Basic Course: Lesson 15, Part 23, Maths With Applications 3, Part 24, Sampling A Sawtooth EN# 31 07 Presentation Of The ENS-73, Part 4: Errors And Additions, An Example, Parts And Hints EN# 31 09 Two Experimental Ribbon Controllers (Controller Series 3) EN# 32 01 Imaginary Conversation With A Musician Concerning Some Keyboard Ideas EN# 32 03 Composition: Some Notes On Sequencers 2 (Controller Series 5): EN# 32 05 Presentation Of The ENS-73, Part 5: Corrections & Troubleshooting, Balanced Modulator 1 EN# 32 06 Basic Course: Lesson 16, Part 25, Sampling A Sawtooth 2 EN# 32 08 Polyphonic Synthesisers (Dave Rossum) Volume 5 (January 1974 - June 1974) EN# 33 03 Location Modulation 1: Introduction To LM EN# 33 05 Reader's Equipment: SV VCF (3080), Frequency Doubler (sine), Relay ADSR EN# 33 06 Composition: An S&H Type Sequencer Can Also Be An ABA Device (Controller Series 8) EN# 33 07 Literature Review EN# 33 07 Product Review: Help Building Your ENS-73 And Others EN# 33 08 Some Initial "Utility VCO" Design Ideas: 8038, CA3080 & 555 Timer, Thermal Stability EN# 34 03 Forum: Technology EN# 34 03 Triple Feature On Digital Electronic Music Equipment EN# 34 03 a) Digital Point-By-Point Waveform Generator (Hal Chamberlin) EN# 34 08 b) The Digital Divider In Music Synthesis (John A. Ball) EN# 34 13 c) An All-Digital Synthesiser: Sketches Of The Psyctone II (Don Lancaster) EN# 34 16 Reader's Equipment: Four From Terry Mikulik - Mixer, Noise/Random, VCA, SV VCF EN# 34 18 Reader's Ideas: Not An Envelope Generator, But… EN# 34 18 Literature Review: Catching Up On The Theory Of Hearing EN# 34 20 Using A Keyboard To Detect Harmonics In A Waveform EN# 34 21 Basic Course: Lesson 17, Part 25: PC Boards (David Mitchell) EN# 35 02 Universal Music ? (Sebastian Von Hoerner) EN# 35 04 Readers Ideas: S&H As PLL Phase Detector, Frequency Multipliers EN# 35 06 Some Initial ENS-73 Sequencer Design Ideas EN# 35 08 TTL In Synthesiser Systems (Dave Rossum) EN# 35 09 Basic Course: Lesson 18, Part 26: IC Substitution EN# 36 02 Forum: Whither Electronic Music? (Larry Greisel) EN# 36 03 Forum: The Synthesis Of Expression (Allen Watson III) EN# 36 04 ENS-73: The Utility VCO, Option 2 EN# 36 07 Literature Review EN# 36 07 On Voltage Controlled Filters (Dave Rossum) EN# 36 08 Basic Course: Lesson 19, Part 27: Transistor Substitution EN# 37 02 Exponential Converters (Terry Mikulic) EN# 37 04 Reader's Equipment: Additions To Terry Mikulic's VCF In EN#34 EN# 37 05 Product Review: Oberheim DS-2 and APR 2600 mods, 360 Systems, New EMU Sub-Modules EN# 37 05 ENS-73: VCF Option 3 EN# 37 07 Basic Course: Lesson 20, Part 28: Substitution Of Resistors And Capacitors EN# 38 02 Forum: Results Of The Composer Survey And Some Comments EN# 38 04 The FM Spectrum Of An Exponential VCO: Expansion About The Linear VCO Solution EN# 38 08 Literature Review EN# 38 09 Analogue Switching Circuits With The CA3080 EN# 39 02 Correction: ENS-73 Keyboard Interface EN# 39 02 Fourier Series Waveform Generator, part 1 (Hal Chamberlin) EN# 39 06 Reader's Ideas: PNP/NPN Pairs, Converting Triangle-Sine, Pulse Conversion, Voltage Dividers EN# 39 06 Literature Review EN# 39 07 The FM Spectrum Of An Exponential VCO: Part 2 EN# 39 08 Testing And Calibrating - Part 1 EN# 40 04 A Simple And Inexpensive Frequency Counter EN# 40 07 Reader's ideas: CA3080 VC Resistor, Three Sequencers EN# 40 09 Aesthetics Of New Music: Three Thoughts On Electronic Music (Jim Wilson) EN# 40 11 Literature Review: Books By Thomas Wells, Friend, Pearlman & Piggott, Stuart Hoenig EN# 40 12 Product Review: Small Enterprise Profile: #1 Electronotes, #2 Eu Systems EN# 40 14 The Multi-Talented LM309 Regulator (Craig Anderton) EN# 40 15 Non-Uniform Comb Filter Spacings With Respect To Equally Tempered Scales (Ralph Burhans) EN# 40 16 Formant Modulation, Timbre Modulation & The Interaction Of Formant Filters & Modulated Sig. EN# 40 18 Basic Course: Lesson 21, Part 29: Understanding And Adapting Input Structures Volume 6 (July 1974 - December 1974) EN# 41 01 A Four Pole Voltage Controlled network: Analysis, Design And Application As A Low-Pass VCF And A Quadrature VCO EN# 41 08 Aesthetics Of New Music: Thoughts On Electronic Music II (Jim Wilson) EN# 41 09 A Simple VCA With Applications (LM3900) EN# 42 01 Introduction To Computer Music Techniques (T. Joseph Zingheim) EN# 42 05 The Rate Multiplier In Music Synthesis (Stephen Wilson) EN# 42 08 Reader's Equipment: Slew Limiters EN# 42 09 Aesthetics Of New Music: Thoughts On Electronic Music III (Jim Wilson) EN# 43 02 Design Of 90 Phase Differencing Networks And Application To Frequency Shifter Designing EN# 43 09 Project Ideas: Fumucosyn (Ellis Cooper) EN# 44 02 Some More LM3900 Simple-Minded Circuits For Synthesisers (Ralph Burhans) EN# 44 05 Composition: Techniques With A Frequency Shifter EN# 44 07 Living With patch Cords EN# 44 08 Basic Course: Lesson 22, Part 30: Understanding And Adapting Output Structures EN# 45 02 Forum: Editorial - Do You Like Opera? EN# 45 02 An Interview With Robert Moog, Part 1: The First Ten Years EN# 45 06 Reader's Equipment: Two Linear AD Generators EN# 45 07 Literature Review EN# 45 11 The ENS-74 Home Built Synthesiser, part 1 (Keyboard & ADSR 1) EN# 45 16 Antilog/Exponential Circuit Provides Over Eight Octaves (Charles Rogers, Dynasyn Corp.) EN# 45 17 Surplus Parts, Power Supplies And Catastrophic Failures (Dave Rossum) EN# 45 18 Image Generation Using Electronic Synthesis Techniques EN# 45 20 The Ideal Keyboard (Richard Rae) EN# 45 21 Transform Methods In Musical Engineering, part 1 EN# 46 01 The ENS-74 Home Built Synthesiser, part 2 (VCOs) EN# 46 05 Reader's Equipment: Location Modulation With Two Co-ordinate Voltages EN# 46 08 Transform Methods In Musical Engineering, part 2 EN# 47 03 An Interview With Robert Moog, Part 2: The Present State Of The Art EN# 47 05 Literature Review EN# 47 06 A Brief Glossary Of Electronic Music Terms For Electrical Engineers, Part 1 (A-F) EN# 48 01 Reader's Questions: Retriggering Envelope Generators EN# 48 02 Reader's Equipment: Analogue Delay Lines EN# 48 02 Literature Review (Ear Magazine, Computer Hobbyist, Electronic Music Review) EN# 48 04 Basic Course: Lesson 23, Part 31: "Magic" Numbers In Exponential Conversion (M. Mellowitz) EN# 48 04 A Brief Glossary Of Electronic Music Terms For Electrical Engineers, Part 2 (G-R) Volume 7 (January 1975 - December 1975) EN# 49 02 The Frequency Modulation Spectrum Of An Exponential VCO, Part 3: Experimental Verification And Some Suggested Solutions EN# 49 06 Some Additional VCO Design Problems And Solutions EN# 49 08 A New Exponential Current Source For The ENS-74 VCO EN# 49 10 A New VCO Design: A VCO With Sawtooth Output And HF Tracking And Sync EN# 49 11 A Sourcelist Of Electronic Music & Musical Engineering, Part 1 EN# 50 01 Reader's Questions: ENS-74 Triggering From A Sequencer EN# 50 04 An Interview With Robert Moog, Part 3: Trends For The Future EN# 50 10 A New ADSR Envelope Generator EN# 50 11 A Brief Glossary Of Electronic Music Terms For Electrical Engineers, Part 2 (S-Z & Numbers) EN# 50 16 A Sourcelist Of Electronic Music & Musical Engineering, Part 2 EN# 51 02 Distorters (W. M. Hartman) EN# 51 03 Reader's Equipment: Two Sequencer Designs EN# 51 07 Reader's Ideas: "Slinky" Reverb, Ribbon Controller, Noise Source EN# 51 07 Literature Review EN# 51 08 Product Review: ARP, Aries, RMI, Roland, Korg & EML EN# 51 10 Oscillator Sync Methods (Buzz Frappe, Eu Systems) EN# 51 11 A Sourcelist Of Electronic Music & Musical Engineering, Part 3 EN# 51 18 More Applications Of Rate Multiplier Circuits (R. W. Burhans) EN# 51 20 A Gate And Trigger Delay Unit EN# 52 04 The Ideal Keyboard, Part 2 (Richard Rae) EN# 52 07 Thoughts On Digital Keyboards EN# 52 10 Guitar Controllers For Synthesisers (Bob Mustacich) EN# 52 13 Reader's Ideas: Breadboarding, And Chip Thermostating EN# 52 13 A Sourcelist Of Electronic Music & Musical Engineering, Part 4 EN# 52 22 Product Review: Wasatch Music Systems and Devtronix EN# 53 03 Forum: Keyboards, Frets And Other Controllers (R. W. Burhans) EN# 53 03 Forum: On Epoxy Blocks And Missing Schematics (Larry Greisel) EN# 53 04 Pitch Extraction, Part 1 (Basic Approaches) EN# 53 15 Reader's Equipment: 8038 Function Generator EN# 53 16 Literature Review: Musical Engineers Handbook EN# 53 16 Product Review: Polyphonic Keyboard, Guitar Controllers, Omniphon, Axxe, Sequential EN# 53 17 A Sourcelist Of Electronic Music & Musical Engineering, Final Part EN# 54 02 Forum: 741s, 307s And 308s In Exponential Current Sources EN# 54 03 Dual Feature On Digital Controllers: EN# 54 04 Sequencers & Programmable Controllers, Part 1 (Douglas E. Fullmer) EN# 54 08 Digivox II: Digital Keyboard Control For Analogue Music Synthesisers (R. W. Burhans) EN# 54 12 Reader's Equipment: Envelope Generators (W. M. Hartmann) EN# 54 12 Project Ideas: Bandpass Filter Bank Used To Adjust VCO, Resetting Sample & Hold, Slew Limiting Sample & Hold, On Making Linear Dynamic FM Depth A Feature Of VCO Design EN# 54 14 Literature Review: Musical Engineers Handbook EN# 54 17 Pitch Extraction, Part 2: (Progress Report) EN# 55 03 Pitch Extraction, Part 3: The Complete Experimental Device EN# 55 11 Literature Review EN# 55 17 A New Sinewave Shaper Applied To A Sweep Generator Design EN# 55 20 A Sourcelist Of Electronic Music & Musical Engineering (Addendum) EN# 56 02 Analogue Delay For Musical Engineers EN# 57 02 Reader's Questions: Chord Playing Buttons EN# 57 03 Problems With The Keyboard Interface (ENS-74) EN# 57 04 A Minicomputer-Controlled Music Synthesiser (Michael R. Abram) EN# 57 07 Reader's Equipment: VCO (Paul Titchener) EN# 57 09 Selection Of Op-Amps For Power Bandwidth EN# 57 12 The Measurement Of Phase Difference EN# 58 02 Forum: The Origins Of The Term "Flanging" EN# 58 02 Forum: Letter From Scott Fraser - Tape Recorders EN# 58 05 Digital Recording Of Melodies Played On A Keyboard By Microprocessor Control (M. Suchoff) EN# 58 14 Voltage-Controlled Highpass Filters And Other VCF Structures EN# 59 02 Forum: Phase Shift Networks And Applications EN# 59 02 Forum: On The Relative Merits Of Linear And Exponential VCOs EN# 59 11 Microprocessors In Electronic Music, Part 1 (Bill Hemsath) EN# 59 13 Reader's Equipment: VC Slew Limiter EN# 59 14 Literature Review EN# 59 16 Voltage-Controlled Highpass Filters And Other VCF Structures: Appendix A And Appendix B EN# 59 20 Popcorn Noise And Exponential Generators (Charlie Thompson) EN# 59 20 An Indefinitely Touch Sensitive Keyboard Controller Scheme Using One Pot. (J. Orion) EN# 60 02 Electronic Music Studio Hardware (W. M. Hartmann) EN# 60 07 Reader's Equipment: Envelope Follower (Nicholas Collins) EN# 60 08 A Hadamard Transform Network - Comments And Reprint EN# 60 14 The Dawn Of The Future Computer (Or The Start Of A Computer In Every Home) (Al Bushert) EN# 60 16 Microprocessors In Electronic Music, Part 2 (Bill Hemsath) EN# 60 19 Electronotes In 1975 And 1976 Volume 8 (January 1976 - December 1976) EN# 61 02 Forum: Addendum To The Relative Merits Of Linear And Exponential VCOs (J. Simonton) EN# 61 04 Design And Applications Of Sample & Hold Modules With Slew Limiting And Cascading Features EN# 61 14 Microprocessors In Electronic Music, Part 3 (Bill Hemsath) EN# 61 16 Two New Analogue Delay Line Circuits (Terry Mikulic & Jan Hall) EN# 61 20 Back To Basics - Resistor Tolerances EN# 62 02 Design Ideas For Digital Keyboards (B. Hutchins, D.Williams, V. Huebner, G.Embler) EN# 62 11 New Design Ideas For Voltage-Controlled Oscillators (Thompson, Mikulic, Kraul, Helfrich) EN# 62 18 Microprocessors In Electronic Music, Part 4 (Bill Hemsath) EN# 63 02 The ENS-76 Home-Built Synthesiser System - Part 1 EN# 63 08 Precise Matching Of Transistors Using Synthesiser Oscillators (Carl Fravel, Gentle Electric) EN# 63 11 Analogue Interfaces For Microprocessor Systems (Douglas Kraul) EN# 63 14 Reviews Of Recorded Music EN# 63 17 Back To Basics 2 - Triggering The 555 As A Monostable EN# 63 ?? News - Ozni Mk.1 & 1A EN# 64 03 Theory And Applications Of Noise Generators In Electronic Music EN# 64 18 Voltage-Controlled Amplifier As A Balanced Modulator (W. M. Hartmann) EN# 64 18 Further Comments On Balanced Modulators From Two Quadrant Multipliers EN# 64 19 Record Review: The Music Of Penderecki (Al Halstead) EN# 64 19 Equipment Review: The Lyricon (Allan Cody) EN# 64 20 Back To Basics 3, Resistor Power Ratings EN# 64 21 Back To Basics 4, The Difference Between Positive And Negative EN# 65 03 Microprocessors In Electronic Music, Part 5 (Bill Hemsath) EN# 65 05 Debounce Scheme For Scanning-Type Digital Keyboards (Douglas Kraul) EN# 65 09 An 8x32 Random Access Memory For Synthesiser Applications (Vic Huebner, THINC) EN# 65 11 Reader's Equipment - A ±10KHz Through Zero Linear VCO (Jan Hall) EN# 65 13 Record Review - Synergy EN# 65 16 Literature Review - Audio Handbook And Periodicals EN# 66 02 Sine Waves And VCFs - Do They Mix? EN# 66 03 The ENS-76 Homebuilt Synthesiser System - Part 2 (EG Options 1, 2 & 3) EN# 67 03 The Gilbert Multiplier In Electronic Music (Dave Rossum) EN# 67 07 Converting Modules Of ±5 Volt Standard To ±10 Volt Standard EN# 67 11 Notes On The ENS-74 Keyboard Interface Unit (Ian Fritz) EN# 67 13 The ENS-76 Homebuilt Synthesiser System - Part 3; Utility VCO EN# 67 16 Comments On The Triangle-To-Sawtooth Conversion Problems (W. M. Hartmann) EN# 67 18 And Eight-Bit Pseudo-Random Generator (Vic Heubner) EN# 67 19 Back To Basics 5 - D/A Conversion For Equal Tempered Scales EN# 68 01 News And Notes: Using The MN3001 Analogue Delay Line Chip EN# 68 03 Project Ideas: Non-Linear Transfer Function EN# 68 08 Project Ideas: Quantisers EN# 68 10 The ENS-76 Homebuilt Synthesiser System - Part 4: Instalment On The Digital Keyboard EN# 68 20 Modifications To The Electronotes Low-Pass Filter/Quadrature Oscillator And A Possible New Waveform Technique With The Unit (Ian Fritz) EN# 69 03 Design Procedures For Using Exponential Converters To Perform Mathematical Operations EN# 69 08 Circuits For The Piecewise-Linear Technique Of Electronic Music Synthesisers (E.D.Cooper) EN# 69 13 Applying The CA3140 Op-Amp In Electronic Musical Devices EN# 69 17 A Utility VCO With AM Inputs (Jan R. Hall) EN# 69 19 Record Review: "Pieces For Kohn" by Tom Hamilton (Craig Anderton) EN# 69 20 Literature Review: Handbook Of Operational Amplifier Circuit Design EN# 69 21 Back To Basics 6: Testing Of Voltage Regulators EN# 70 03 Frequency Multiplication And Division Methods EN# 70 18 8 Voice Digital Keyboard Design Idea (Mark Goldstein) EN# 70 21 Record Review: Selected Shorts, part 1 (Craig Anderton) EN# 71 03 The Bandpass Filter Response And Electronic Music Applications EN# 71 14 The ENS-76 Homebuilt Synthesiser System - Part 5 (VCF Options 1 & 2) EN# 71 22 Record Reviews (Craig Anderton) EN# 72 03 Some Theory On The Design And Application Of Variable Slope Filters EN# 72 12 The ENS-76 Homebuilt Synthesiser System - Part 6 (VCF 3, Timbre Modulator 1, Delay 1) EN# 72 21 Reader's Circuits: FET As VCF (Jacob Moskowitz), Three Waveshapers (Ian Fritz) Volume 9 (January 1977 - December 1977) EN# 73 07 Report On New Waveform Techniques (Ian Fritz) EN# 73 11 Debouncing In Digital Keyboards (Greg Mullin) EN# 73 12 Improvements To Digital Tone Generators (James Wirth) EN# 73 14 Simple Bandpass Filter For Filter Bank Design EN# 73 19 Record Review: "No Pussyfooting" (Craig Anderton) EN# 73 21 Envelope Generator Employing Diode Logic (Joseph Medina) EN# 74 07 Digital Filter Note 1 (R. B. Tipton & V. M. Tipton) EN# 74 14 Theory And Design Of A "Responding" Filter Bank EN# 74 21 Book Review: National Semiconductor And Texas Applications Books EN# 75 03 The ENS-76 Homebuilt Synthesiser System - Part 7 (VCO Options 1, 1a, 2, 3, 4 & 5) EN# 76 02 Reader's Questions - VCO Drift EN# 76 03 The ENS-76 Homebuilt Synthesiser System - Part 8 (Random Source 1 & 2, further options) EN# 76 16 Reader's Equipment: Gate & Trigger Unit, Simple ADSR EN# 76 17 Forum: About Our Readers (Results Of Survey) EN# 76 19 Record Review: "Sequencer" by Larry Fast (Craig Anderton) EN# 77 03 Digital Filter Note 2 (R. B. Tipton & V. M. Tipton) EN# 77 13 Comb Filters Applied To The Pitch Extraction Problem EN# 77 21 Record Reviews: "Low" by Bowie, "Trans-Europe Express" by Kraftwerk (Craig Anderton) EN# 78 03 Synthesis Procedures For Musical Sounds - Part 1 EN# 78 11 Re-Evaluating The Diatonic Scale - Conversation With Marion McCoskey (Craig Anderton) EN# 78 13 Electronic Music Applications Of The XR206 Monolithic Function Generator (S. Franco) EN# 78 15 Two ICs For Electronic Music - SSM2020 And SSM2040 (Dave Rossum) EN# 79 05 Synthesis Procedures For Musical Structures - Part 1 EN# 80 03 Synthesis Procedures For Musical Structures (Special Effects) - Part 1 EN# 80 10 Review Of Periodic Literature EN# 81 03 Simple Pitch Extractor For Clarinet (Ian Fritz) EN# 81 08 A New Design For A Multimode Voltage-Controlled Filter EN# 81 14 On Improving Mechanical Performance Of Keyboards EN# 81 15 Back To Basics 7 - Waveshaping EN# 81 18 Reader's Questions EN# 82 01 Plans For 1978 EN# 82 03 Reader's Questions EN# 82 05 Mathematical Analysis Of Differential Amplifier Triangle-To-Sine Converters EN# 82 17 Hints On Setting Up An Electronic Music Working Area EN# 82 20 Reader's Circuits: Quadrature Oscillator (Ian Fritz) EN# 83 02 Reader's Questions EN# 83 05 The ENS-76 Homebuilt Synthesiser System - Part 9 (Frequency Shifter) EN# 83 19 Record Review - Brian Eno, John Cage, LEM, Morton Subotnick, Pat Gleeson (Craig Anderton) EN# 84 02 Reader's Questions EN# 84 05 A Frequency-To-Voltage Converter For Use With Pitch-To-Voltage Conversion Devices (Iodice) EN# 84 09 An Odd-harmonic To Even-harmonic Timbre Modulator EN# 84 13 Clocking Techniques For Analogue Delay Lines (Craig Anderton) EN# 84 15 Proposal For A Type Of "Oral Joystick" (Jeffrey Noble) EN# 84 17 Reader's Circuits - VCF With SSM2040 (Rich Ryan) EN# 84 19 Book Reviews In Brief Volume 10 (January 1978 - December 1978) EN# 85 05 Additional Ideas For Voltage-Controlled Filters EN# 85 05 1. Corner Peaking Of A Four-Pole Filter EN# 85 12 2. Obtaining Bandpass And Highpass Functions From A Four Pole Lowpass Filter EN# 85 16 3. Present Day Voltage Controlled Filter Design Options EN# 85 18 Hints On Obtaining Parts For Projects EN# 86 03 Forum, inc. Corrections EN# 86 05 Reader's Questions: Shielding, Minimum Phase EN# 86 07 A Gate Driven Second-Order Envelope-Transient Generator EN# 86 14 Woodwind Type Controller For Synthesis, Part 1: Electronic Mouthpiece (Ian Fritz) EN# 86 20 One Chip Envelope, Gate And Trigger Extractor (Robert Iodice) EN# 87 02 Reader's Questions EN# 87 03 A Sawtooth Driven Multiphase Waveform Animator: The Synthesis Of Animated Sounds. Part 1 EN# 87 11 Minimum Parts Count Synthesiser (Dave Rossum) EN# 87 17 Using The Panasonic MN3005 4096 Stage Delay Chip (Jan Hall) EN# 87 19 Reader's Equipment: Guitar Pickup (Dale Willis) EN# 88 02 Reader's Questions: Phaser Or Flanger, Animated Comment, Validity Of Project EN# 88 03 Woodwind Type Controller For Synthesis, Part 2: Keyswitch Fingering System (Ian Fritz) EN# 88 10 Literature Review: Comments On Ernst's "The Evolution Of Electronic Music" (R.B.Elder) EN# 88 15 Pitch Extractor For Guitar And Microphone (Dale Wills) EN# 88 23 Reader's Ideas: EN# 88 23 A. Envelope Follower With Improved Ripple And Response Time (D. Genovese, Dennis Elect.) EN# 88 24 B. LFO With Ramp, Inverted Ramp, Triangle And Pulse Width From 10% To 90% (P. Lutz) EN# 88 26 C. Mixing Plate Based On Capacitive Coupling (D.Weiss) EN# 88 26 D. Patch For Controlled Beating With Two VCOs (D.Weiss) EN# 88 27 E. Variable Positive And Negative Waveform Clippers (A.Halstead) EN# 88 27 Basic Applications Of Components Available Through Electronotes. EN# 89 02 Reader's Questions: VCO Resistor Tolerance EN# 89 03 Some Comments On Amplitude Envelopes And Their Extraction EN# 90 02 Reader's Questions: Nyquist etc EN# 90 03 How I Make My PC Boards In A Matter Of Few Hours EN# 90 06 A High Ripple VCF For Waveform Animation: The Synthesis Of Animated Sounds. Part 2 EN# 90 18 Record Reviews: Moroder, Kraftwerk, TD, Tomita, Genesis, Eno, Bowie (Craig Anderton) EN# 91 01 Corrections To Frequency Shifter And Pitch Extractor EN# 91 03 Review Of Homebuilt Equipment, Or, What's In The Preferred Circuit Collection EN# 91 13 A Few Remarks On Current Tendencies In Synthesised Music (R. Bruce Elder) EN# 91 16 Additional Notes On Bandpass Filters EN# 91 20 A Sourcelist On Pitch Extraction, 1978 EN# 92 02 Reader's Questions: 8038, Op-Amp Noise EN# 92 03 The First 100 Electronotes Application Notes: Numerical Listing EN# 92 05 The First 100 Electronotes Application Notes: Subject Listing EN# 92 07 Fast Envelope Extraction By Maximum Station Sampling EN# 92 10 Filter Banks With Multiple Outputs EN# 92 12 Modified AD + AR Envelope Generator Design (Ian Fritz) EN# 92 14 A Quasi-Digital Bi-N-Tic Filter (Jan Hall) EN# 92 14 Digital Keyboard Revisited (Richard Curcio) EN# 92 18 The Ear - Part 1: Basic Idea On Pitch perception EN# 92 20 Reader's Comments (N. Rose, W. Norcross, N. Bodley, R. Graham, C. Cooper, L. King) EN# 93 02 Reader's Questions: Real Frequencies, How Electronotes Started, Analogue Reverb EN# 93 03 The Ear - Part 2: An Observational Basis For Pitch perception Theories EN# 93 11 A Sourcelist On Pitch Perception - 1978 EN# 93 18 A Cascaded-Monostable Type Generalised Resonator: The Synthesis Of Animated Sounds, Part 3 EN# 94 03 Reader's Questions: Part Sources, Power Supply Lines EN# 94 04 The Ear - Part 3: Models And Phenomenon Vs Place And Fine-Structure Theory EN# 95 01 Reader's Questions: MEG etc EN# 95 03 The Migration Of Poles As A Function Of Feedback In A Class Of Voltage-Controlled Filter EN# 96 02 Reader's Questions: Computer Controlled Synthesisers EN# 96 03 Review Of Periodicals Of Interest To Our Readers EN# 96 07 Master List Of Electronotes Publications EN# 96 09 Master Index To Electronotes Publications 1972-1978 Volume 11 (January 1979 - December 1979) EN# 97 03 Some Comments On The State Of Music Synthesis - 1979 - Part 1 EN# 97 07 A Brief Note On Polygon Filters (Richard Bjorkman) EN# 97 09 A Few More Notes On Polygon Filters EN# 97 10 A Four, Six And Eight Pole Voltage Controlled Filter EN# 97 17 Literature Review: Electronic Trade Journals - 1978 - Part 1 EN# 98 02 Reader's Questions: Just Intonation, Frequency Shifting Vs Pitch Shifting EN# 98 03 Putting Your Circuit Boards Inside Something EN# 98 05 Preset Circuitry For Synthesisers (Lester Ludwig) EN# 98 09 A Square-Wave Frequency-Division Sub-Octave Cross-Product Module: It's Relationship With Lie Algebra And Other Related Processes (Lester Ludwig) EN# 98 15 A Cure For "Overtracking" In An Exponential Converter (Ian Fritz) EN# 98 17 A General Purpose 1 Volt/Octave VCO Using The 8038 IC (Jan Hall) EN# 98 19 Record Review: Cluster & Eno, Devo, Jarre, Bowie, Vangelis, Gleeson, Synergy, Stepian (Anderton) EN# 98 20 Literature Review: Electronic Trade Journals - 1978 - Part 2 EN# 99 01 Reader's Questions: Sample-And-Hold Droop, VCA Feedthrough EN# 99 03 A Fourth Order State-Variable Filter (Bob Chidlaw) EN# 99 13 A Reasonably Good Pitch Extractor "Back End" EN# 99 17 More Suggestions On Actually Getting Construction Underway EN# 99 20 Literature Review: Electronic Trade Journals - 1978 - Part 3 EN# 100 01 News And Notes: New VCA ICs EN# 100 02 Reader's Questions: Reversing Low Priority Keyboards, MIL Spec EN# 100 03 The Ear - Part 4: Recent Developments Regarding Pitch Perception EN# 100 13 A Short Primer On Vocoders EN# 100 15 Vocoder Design Using State-Variable Filter Structures (Jan Hall) EN# 100 20 Some Brief Reflections On 100 Issues Of Electronotes EN# 101 03 An Experimental Correlator/Convolver For Electronic Music EN# 102 02 A Vocal-Effects Waveform Animator: The Synthesis Of "Animated" Sound - Part 4 EN# 103 02 A Vocal-Effects Waveform Animator: The Synthesis Of "Animated" Sound - Part 4 (Addendum) EN# 103 06 Linear Applications Of CMOS Logic (Hal Chamberlin) EN# 103 09 Course Review - Techniques Of Computer Sound Synthesis (Hal Chamberlin) EN# 104 01 Reader's Questions: Capacitor Codes, Resistor Power Ratings EN# 104 03 Some Comments On The State Of Music Synthesis -1979, Part 2 EN# 104 07 Appendix A: New Ideas On Filter Bank Design EN# 104 09 Appendix B: Pseudo-Random Tone-Wheel EN# 105 02 Reader's Questions: Finding Patents, Blown LF351s EN# 105 03 The Effects Of Feedback On Four-Pole Filters With Differing Pole Frequencies EN# 106 03 A Pseudo-Random Tone-Wheel Animator: The Synthesis Of "Animated" Sound - Part 5 EN# 106 21 Book Review: Don Lancaster - The Incredible Secret Money Machine EN# 107 02 Reader's Questions: Getting Patents, Top Octaves EN# 107 03 The New OTAs: The CA3280 And The LM13600 EN# 107 13 A (Gulp) Simple Balanced Four-Quadrant Multiplier With An OTA EN# 107 16 Filter Bank Design (Ian Fritz) EN# 108 02 Reader's Questions: Analogue Keyboard Interface Problems EN# 108 03 Some Interesting Audio Visual Analogues EN# 108 04 A Self-Modulating VCO, Revisited EN# 108 06 Multi-Phased Waveform Animator With Reduced Part Count And Two Extensions (L. Ludwig) EN# 108 09 A New Look At Pulse-Width Modulation - Part 1 EN# 108 16 A Generalised Linear Amplitude Processor (Lester Ludwig) EN# 108 19 Notes On Noise, Fractional Calculus And The Variable Slope Filter (Normand Provencher) Volume 12 (January 1980 - December 1980) EN# 109 01 Reader's Questions: Speak & Spell, AD818 Alternatives, Alternative Analogue Delays EN# 109 03 Uniform Variable Slope Processor (Lester Ludwig) EN# 110 01 A Short List Of "Buzz Words" For IC Buyers And Users EN# 110 03 A New Look At Pulse-Width Modulation - Part 2 EN# 110 18 An "Articulating" Contour Generator EN# 111 01 A Collection Of Reader Submitted And Reader Inspired Ideas:- EN# 111 03 A: Alternative To The CA3080 Simple VCO (B. Hutchins, Ron Teel) EN# 111 05 B: Warping The Response Of A Linear Input Attenuator (Richard Brewster) EN# 111 06 C: A Linear ADSR Envelope Generator (William park) EN# 111 07 D: Unusual Biquad And State-Variable Type Configurations (B. Hutchins, Norman Rose) EN# 111 10 E: Simple Voltage-Controlled Amplifier With 4009 CMOS Chip (Mike Yantis) EN# 111 12 F: Body-Proximity Controllers For Voltage-Controlled Synthesisers (John Valente) EN# 111 13 G: Frequency Halver For Triangle And Sine Waves (B. Hutchins. Iggy Foulke) EN# 111 14 H: Some Unusual High-Q Circuits (B. Hutchins, Tom La Mar) EN# 111 19 I: Controlled-Current Switching Oscillator (Ian Fritz) EN# 111 20 J: Simulated Waveform Generation With A Programmable Calculator (B. Hutchins, Allen Eaton) EN# 111 21 K: Sync Circuit For ENS-76 VCO Option 1 (Richard Brewster) EN# 112 02 Reader's Questions: Modulation Bandwidth For CV Inputs EN# 112 03 A Solution To The Mystery Of The Variable-Slope Filter (Lee Powell) EN# 112 10 A New Sample And Hold Circuit (John Talbert) EN# 112 13 Some Results Of Reversing Input And Ground With Some Filter Structures EN# 112 18 Ultrasonic VCO With Digital Waveform Generator (Ian Fritz) EN# 113 01 Reader's Questions: Through Zero FM EN# 113 03 Switchable VCA/balanced Modulator Based On The LM/XR13600 OTA (Ian Fritz) EN# 113 08 Comments On The New 13600 And 3280 OTA Device (Serge Tcherepnin) EN# 113 11 Spectra Of Some Simple Shift-Register Sequences: EN# 114 03 Four Voice Digital Keyboard Interface (Bob Chidlaw) EN# 114 09 Spectra Of Some Dual-Pulse Waveforms EN# 115 01 Time Reversing Oscillators And Through Zero FM EN# 115 03 A 39-Channel Variable-Q Filter Bank - Part 1 EN# 116 01 News And Notes: CEM3350 And CEM3360 EN# 116 02 Reader's Questions: Preferred Circuits Collection S&H Option 2 EN# 116 03 A 39-Channel Variable-Q Filter Bank - Part 2 EN# 117 01 Reader's Questions: Paralleling OTAs EN# 117 03 A Delay-Line/Phase-Shifter Based Filter Bank (Theta Processor) EN# 118 01 Reader's Questions: Books On Circuitry, Voltage Shifting EN# 118 03 A New Look At Pulse-Width Modulation - Part 3 (Lester Ludwig And Bernie Hutchins) EN# 119 02 From the Lab Notebook: The Digital Divider As A "Vibrato Killer" EN# 119 03 A Balanced modulator Application Of VCA Chips (Thomas Henry) EN# 119 07 A Pitch-To-Voltage Converter For A Polyphonic Guitar Synthesiser (Tony Dean) EN# 119 12 A Method For Measuring Modulation Bandwidth (Normand Provencher) EN# 119 13 Frequency Division Of Sine Waves (Normand Provencher) EN# 119 15 How Many Kinds Of Square Wave Are There? (Normand Provencher) EN# 119 16 Some Notes On Pseudo-Random Noise Generators EN# 120 01 Electronotes Publications EN# 120 01 Newcomer's Page: Timbre EN# 120 01 Electronotes Application Notes 1976 - 1980, Numerical Listing EN# 120 01 Master Index Of Electronotes Publications 1972 - 1980 Volume 13 (January 1981 - December 1981) EN# 121 03 Lab Notebook - Effects Of PW Drivers On Short PWM Tones EN# 121 04 Newcomer's Page - Fourier Series EN# 121 05 Fourier Series Results For Some Simple New Waveshapers EN# 121 13 Two Hints For Using The CEM3340 IC (Thomas Henry) EN# 121 16 Stability In Linear Systems - Routh's Criterion EN# 121 22 A Brief Note On Variable Slope Spectra And Self Modulation EN# 122 02 More On The CEM3340 IC (Thomas Henry/Doug Curtis) EN# 122 03 Lab Notebook - Distortion Of Triangle-To-Sine Converters EN# 122 04 Newcomer's Page - Strange Numbers EN# 122 05 Making Rack Panels (Thomas Henry) EN# 122 09 Square Law Attenuator (Normand Provencher) EN# 122 10 Determining The Probability Of Saturation Of Gausian Noise (Normand Provencher) EN# 122 13 A Function Generator With "Quadrature" Triangle Wave Outputs (Thomas Henry) EN# 123 01 Reader's Questions: Instrument Waveshapes, Band-Pass Filter Orders, IC Sockets EN# 123 03 Lab Notebook - More Tests Of Triangle-To-Sine Converters EN# 123 04 Newcomer's Page - Pitch EN# 123 05 Pitch, Filtered Noise, Suggested Experiments EN# 123 09 A Few More Variable-Slope Ideas (Normand Provencher) EN# 123 14 Browser's Report (Normand Provencher) EN# 123 15 Review Of Recorded Music (Craig Anderton) EN# 123 17 Book Reviews EN# 123 19 An Add-On Sub-Octave Circuit For VCOs EN# 124 02 Book Review: "A Biography Of Computer Music" By Sandra L. Tjepkema EN# 124 03 Lab Notebook - Modulations With The Voice EN# 124 04 Newcomer's Page - What Is Digital? EN# 124 10 Design Of Simple Quantizers (B. Hutchins plus Mike Conrad) EN# 124 19 The ARP Surplus Three-Octave Keyboard (Dev Gualtieri) EN# 125 01 Source List Of Electronic Music And Musical Engineering (1978, 1979, 1980) EN# 126 02 Reader's Questions: Sinewave LFO EN# 126 03 Lab Notebook - Tests Of An Extension Of Standard Frequency Modulation Patches EN# 126 04 Newcomer's Page - Digital Synthesis Of Music EN# 126 05 The Reciprocal Square-Law Attenuator (Normand Provencher) EN# 126 07 A New Self-Varying Gate And Trigger Delay Unit (Lester Ludwig) EN# 126 10 Redundancy In Music As A Reason For Parametric Music Synthesis EN# 127 02 Reader's Questions: Quadratic Formula EN# 127 03 Lab Notebook - A Couple Of Circuits For Through-Zero VCOs EN# 127 04 Newcomer's Page - Looking For The Parts You Need EN# 127 05 GLAP Revisited: Smaller Parts Count Using CEM3330, Constant Power Correction And Image Angle Curves (Lester Ludwig) EN# 127 09 Brief Notes On Integrator Phase Compensation EN# 128 02 Reader's Questions: Animation Vs Modulation, Fast Or Finite Transfer Functions EN# 128 03 Lab Notebook - Comb Filter Tests Of Animators EN# 128 04 Newcomer's Page - Getting Publications EN# 128 05 Theory And Design Of Electronic Percussion Instruments Based On The Band-Pass Resonator EN# 129 02 Newcomer's Page - Getting Publications EN# 129 03 A VCO With Through-Zero FM Capabilities EN# 130 01 News And Notes: Passport Designs, SSM2012, SSM2022, SSM2033, SSM2056 & SSM2100 EN# 130 02 Newcomer's Page - Getting Publications EN# 130 03 A VOSIM Processor [including PCB Layout], (Devlin M. Gualtieri) EN# 131 03 Lab Notebook - Coupled VCOs EN# 131 04 Newcomer's Page - Interpreting Schematic Diagrams EN# 131 05 The Drumhead Problem - The Vibrating Membrane EN# 131 14 Le Gendre Filters (Normand Provencher) EN# 131 18 Those Marvelous Whale Songs EN# 132 03 Animation Of Live Sounds EN# 132 04 Newcomer's Page - Interpreting Schematic Diagrams EN# 132 05 Simple Equipment For An Electronic Music "Utility" Panel EN# 132 05 1. Microphone Amplifier EN# 132 05 2. Mix/Gain/Monitor Unit EN# 132 06 3. Flip-Flop Unit EN# 132 06 4. Output Filters For Tape Recording EN# 132 07 5. Headphone-Speaker Amplifier/Attenuator EN# 132 08 6. Comparator/Differencer/Rectifier Unit EN# 132 09 7. Ramp Generator/Oscillator EN# 132 10 8. DC Source/Ultra-Fine Tuner EN# 132 11 Possible New Electronic Musical Instrument Based On Self-Sustained Oscillator Principles EN# 132 19 A Proposed Design Of A "Mallet" Controller Volume 14 (January 1982 - June 1983) EN# 133 02 Reader's Questions: Cassettes In Electronic Music, AES Preprints EN# 133 03 Lab Notebook - Measuring The Spectra Of Noise EN# 133 04 Newcomer's Page - Mathematical Transforms EN# 133 05 Integrated Musical Electronics - Part 1 EN# 133 08 The Analytic Signal As A Unifying Concept For Modulation Processes (Normand Provencher) EN# 133 18 Review Of Recorded Music - Musical Perspectives (Craig Anderton) EN# 134 01 Reader's Questions: Reader's Questions: Op-Amp Poles EN# 134 02 Monthly Literature Review - "Electronic Music Circuits" By Barry Klein EN# 134 03 Lab Notebook - More Transistor Noise Spectra EN# 134 04 Newcomer's Page - Modular Systems And Patching EN# 134 05 Integrated Musical Electronics - Part 2 EN# 134 07 An Introduction To Hilbert Transform Theory And Applications EN# 134 17 Tri-Coloured LED Indicates Voltage Peaks EN# 135 03 Monthly Literature Review - List Of AN201 To AN242 EN# 135 04 More On The Experimental Mallet Controller (B. Hutchins, T. Henry, A. Berg) EN# 136 01 Monthly Literature Review - Journal Of Troublefinding Research EN# 136 02 A Pitch Extraction Scheme Based On Hilbert Transformation (B. Hutchins. D. Parola, L. Ludwig) EN# 137 02 Lab Notebook - Comparisons Of Exponential Decay, Linear And Convex Envelope Shapes For Decay EN# 137 03 Coupled Resonator And Other Methods Of Achieving Two-Stage Amplitude Decay EN# 138 02 Low Key Digital Keyboard EN# 139 02 Methods Of Digital Oscillator Design Based On Digital Filter Structures EN# 140 01 A Summary Of OTA Control Current Methods EN# 140 03 Some Useful Frequency Response Calculations Avoiding Factoring EN# 141 02 Newcomer's Page - State Variable Filters EN# 141 03 Some New Results Concerning Q Enhancement In OTA Based VCFs EN# 142 01 Choices Between Analogue And Digital Synthesis EN# 142 03 Some Remarks On The "Copying Problem" EN# 142 04 A New Triangle-To-Sine Converter Using A 1496-Type Multiplier (Terry Michaels) EN# 143 02 Newcomer's Page - Digital Structures And Hardware EN# 143 03 Guide To Digital Filter Network Design - Chapter 1 EN# 143 09 Integrated Musical Electronics - Part 3: Better Use Of VCF Chips EN# "A" (EN# 144 - 146) EN# 144 02 Digital Envelope Generator Design Based On Digital Filter Structures EN# 144 11 Guide To Digital Filter Network Design - Chapter 2: Mathematical Basis For Analysis & Design EN# 144 29 The Effect Of Effective Sample & Hold With Digital Signals EN# "B" (EN# 147 - 150) EN# 147 01 Meet the SN76477 (Thomas Henry) EN# 147 03 Guide To Digital Filter Network Design - Chapter 3: Filtering With Delay Line Networks EN# 147 13 Guide To Digital Filter Network Design - Chapter 4: Design Of Finite Impulse Response Filters EN# 147 29 A Proposed FIR Digital Filter Approach To Variable-Slope Filtering Volume 15 (July 1983 - December 1987) EN# "C" (EN# 151 - 154) EN# 151 01 Reader's Questions: Digital All-Pass Filters, FIR Poles EN# 151 03 Guide To Digital Filter Network Design - Chapter 5: Design Of IIR Filters EN# 151 29 A Possible Mechanism For Electronic Tuning Of Hair Cells In The Ear EN# "D" (EN# 155 - 160) EN# 155 01 Reader's Questions: Substitute Parts, Imperfect Harmonics EN# 155 03 Review Of Fourier Methods In Signal Processing And Musical Engineering: EN# 155 03 Definition And Notation EN# 155 04 Complex Numbers EN# 155 05 The Trigonometric Fourier Series EN# 155 06 The Complex Fourier Series EN# 155 07 Example Using TFS And CFS EN# 155 10 Side Trip To Fourier Transform EN# 155 13 Fourier Series As A Sampled Fourier Transform EN# 155 17 Complex Fourier Series Of A Piecewise Constant Waveform EN# 155 19 Discrete Fourier Transform And It's Inverse EN# 155 21 Interpretation Of The DFT Equation EN# 155 22 Evaluation Of The DFT And IDFT EN# 155 27 The Fast Fourier Transform EN# 155 35 Spectral Analysis With The DFT/FFT EN# 155 41 Refinement And Subtle Points Of The FFT Spectral Analysis EN# 155 46 The FFT Route To Convolution Of Sequences EN# 155 49 Signal Synthesis Using Inverse DFT/FFT EN# "E" " (EN# 161 - 163) EN# 161 02 Cautions On Waveforms And Spectra EN# 161 03 Harmonics Of harmonicas (David Staver) EN# 161 11 Build A Precision Clock Controller (Thomas Henry) EN# 161 18 On The Implementation Of Variable Digital Filters With Fixed Clock Rate EN# "F" (EN# 164 - 167) EN# 164 01 Readers Questions - Microphone Amplifiers EN# 164 03 Interpolation, Decimation And Prediction Of Digital Signals EN# 164 47 Compensation Of Linear Circuit Blocks For the Effects Of Real Operational Amplifiers EN# 164 66 Another (Easier) Way Of Understanding The Hilbert Transform Based Pitch Extractor EN# 164 68 Book Reviews EN# 164 70 A Four-Pole Variable Digital Filter With Fixed Clock Rate (B. Hutchins And Eric Multanen) EN# 164 79 Some Comments On Digital Sampling Instruments EN# "G" (EN# 168) EN# 168 03 Design of Wideband Analogue 90' Phase Differencing Networks Without Large Spread Of Capacitor Values EN# 168 10 Corrections Of Interpolation, Decimation And Prediction Of Digital Signals Volume 16 (January 1988 - July 1989) EN# 169 02 Problems Of Recovering The Analogue Signal From Digital Samples EN# 170 01 Reader's Questions: Interpolation EN# 170 03 Introduction To Adaptive Filters Of Several Types EN# 171 01 Book Review - DSP EN# 171 03 Review Of Frequency Modulation Synthesis Techniques Of Musical Sound EN# 172 01 Book Review - Books On Speech EN# 172 02 Interpolating Samples With The DFT/FFT EN# 173 01 Book Review EN# 173 03 Processing Of Information-Bearing Signals For Pitch-Changing, Time-Base Changing And Information Preservation EN# 174 01 Reader's Questions: Digital Reconstruction Filters EN# 174 03 Overflow Oscillations And The "Mickey Mouse" Fractal -Part 1 Volume 17 (August 1989 - July 1992) EN# 175 01 Reader's Questions: DSP - C Compiler Or Assembly Language EN# 175 03 New Simplified Equiripple Design Algorithm For FIR Filters EN# 176 01 Breadboarding EN# 176 03 An Initial Study Of The Use Of Chaotic Signals In Synthesis Of Animated Musical Tones EN# 177 01 Reader's Questions: Restoring LPs EN# 177 03 Spawning Locations And Mechanisms For Overflow Oscillation Modes In A Second-Order Digital Oscillator EN# 178 01 Two Roads To Narrow-Band Chaos EN# 178 03 Narrow-Band Chaos Achieved With Duffing's Equation With Possible Musical Synthesis Applications (Eric Demers) EN# 178 35 A New Adaptive Filter Simulator EN# 179 01 A Least-Square And Min-Max Error Examination Of The Musical Scale Question EN# 179 03 Prediction, Deconvolution And System Identification: Part 1 - Undriven Systems EN# 180 03 Prediction, Deconvolution And System Identification: Part 2 - Driven Systems Volume 18 (April 1993 - September 1995) EN# 181 01 Holes In A Simulated Frequency Response Measurement (F. Fox And B. Hutchins) EN# 181 16 An Interesting Special Case Of An LMS Adaptive Filter EN# 181 25 Practical Aspects Of Obtaining Spectra From FFTs EN# 182 03 Four Useful Examples Involving Piecewise-Constant And Piecewise-Continuous Functions EN# 183 03 Basic Principles Of Adaptive System Modelling EN# 184 03 The Importance Of The Notation Of Band Limiting And Sample Reconstruction EN# 185 03 Sample Rate Changing And Corresponding Effects On Normalised And Unnormalised Spectra Description EN# 186 03 Frequency Errors And Distortion In Digital Sinewave Oscillators Volume 19 (August 1996 – March 2000) EN# 187 01 Book Review - The Computer Music Tutorial EN# 187 03 Sampling And Recovering Based On An Average Sampling Rate EN# 187 33 Bob Moog Visits Cornell EN# 188 01 "It's Better Than TV" EN# 188 03 Calculating The DFT And The Fourier Series - Each With The Other EN# 188 18 Up-Boxes And Down-Boxes - Time And Frequency Response - Making Sense? EN# 189 01 A Preference For Acoustic Sounds EN# 189 03 Exploiting The Periodic Frequency Response Of Discrete-Time Filters EN# 189 12 Time-Domain Zero-Padding And The DFT EN# 190 01 To Bib of Not to Bib EN# 190 03 The Strange Case of Unconjugated Poles and Negative Frequencies EN# 190 14 Internal Decimation EN# 190 30 A Min-Max Polynomial-Fitting Curiosity EN# 191 02 Analog Signal Processing Chapters 1 and 2 EN# 192 01 Zeros at Infinity EN# 192 02 Analog Signal Processing Chapter 3 EN# 193 01 A Butterworth that Peaks! EN# 193 02 Analog Signal Processing Chapter 4 Volume 20 (April 2000 – September 2001) EN# 194 01 Modifications to a VCO EN# 194 02 Analog Signal Processing Chapters 5 and 6 EN# 195 02 Active Sensitivity n a Compensated State-Variable Filter EN# 195 02 Analog Signal Processing Chapter 7 EN# 196 02 Tuning Equations Derived from Passive Sensitivities EN# 196 02 Analog Signal Processing Chapters 8,9 and 10 EN# 197 01 Analog Signal Processing Corner The Strange Root Locus of Negative Gain VCVS EN# 197 02 Basic Elements of Digital Signal Processing Introduction to the Series EN# 197 03 Basic Elements of Digital Signal Processing Filter Element - Part 1 EN# 198 01 Analog Corner - Measuring Q wit Decrement EN# 198 02 Basic Elements of Digital Signal Processing Filter Element - Part 2 Volume 21 (December 2001 – August 2003) EN# 199 01 Analog Corner Reducing the Accumulating Gain - via Thevenin EN# 199 03 Basic Elements of Digital Signal Processing Filter Element - Part 3 EN# 200 01 Further Adventures with Analog Synthesizer Newsgroups EN# 200 03 Basic Elements of Digital Signal Processing Sampling Element EN# 200 56 Troubleshooting - Always a Connection? EN# 201 01 Analog Signal Processing Corner Second-Order Time Overshoot: A Second-Order Envelope Generator? EN# 201 07 Some Additional Sampling Examples EN# 202 01 Book Reviews (Analog Days, etc) EN# 202 03 Active Compensation of Sallen-Key Low-Pass Filters EN# 202 20 The Curious Ambiguous Length of a Triangular Window EN# 203 01 Bittersweet EN# 203 03 An Intuitive Approach to Polyphase Rate Changing EN# 204 01 Reader's Question (Recovering a Sinewave from Samples) EN# 204 05 Basic Elements of digital Signal Processing Finite Wordlength Effects (Part 1) Volume 22 (March 2008 – February 2012) EN# 205 03 Sample-Rate Changing by Polyphase On Demand EN# 205 17 Recovery from Bunched Sampling EN# 206 01 Negative Frequencies and Through-Zero Frequency Modulation EN# 207 01 Tools for Investigating Kautz Functions EN# 208 01 A White Noise Curiosity EN# 209 01 Basic elements of Digital Signal Processing Finite Wordlength Effects (Part 2)