In this course students learn the basic concepts of acoustics and electronics and how they can applied to understand musical sound and make music with electronic instruments. Topics include: sound waves, musical sound, basic electronics, and applications of these basic principles in amplifiers and speaker design.
Fundamentals of Audio and Music Engineering: Part 1 Musical Sound & Electronics
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University of Rochester
Lehrplan - Was Sie in diesem Kurs lernen werden
Woche
14 Stunden zum Abschließen
Week 1 - Introduction RC & Introduction to Electrical Circuits MB
Introduction to oscillations and sound waves, simple oscillating systems, sound pressure, sound waves, the speed of sound, wavelength, frequency and pitch, sound pressure level, loudness, making sound, properties of musical sound versus “noise”. Electronics fundamentals - charge, current, voltage, power, resistance, Ohm’s law, DC circuits, finding currents and voltages in simple circuits.
13 Videos (Gesamt 140 min), 8 Lektüren
13 Videos
Oscillations in Space and Time 11m
Time and Frequency Domain Representations of Sound 7m
Auditory Perception and Sound Localization 15m
Acoustic Resonance: Helmholtz Resonators 16m
Acoustic Resonance: Loudspeakers 2m
Electrical Charge and Current 13m
Electric Fields and Electric Potential 14m
Electrical Circuits: Kirchoff's Voltage Law 8m
Electrical Circuits: Voltage Dividers 6m
Volume Control and Loudness Perception 7m
Electrical Circuits: Kirchoff's Current Law 13m
Electrical Circuits: Nodal Analysis 13m
8 Lektüren
About the Professors10m
About the Teaching Assistant10m
Syllabus10m
Grading and Logistics10m
Suggested Readings10m
Building the Amplifier and Ordering the Kit10m
Complex Number Proficiency Self-Assessment10m
General Overview10m
Woche
22 Stunden zum Abschließen
Week 2 - Acoustic Resonance RC & Electrical Circuits MB
Reflection and absorption of sound, resonances in air columns, resonances in enclosures and rooms, diffraction and diffusion of sound, reverberation, principles of designing a good music studio. AC signals, phase and complex numbers, capacitors, inductors, transformers, impedance, AC circuits and AC circuit analysis, simple filters (high-pass, low-pass, band-pass)
13 Videos (Gesamt 84 min), 1 Quiz
13 Videos
Effects of String Parameters on Resonant Modes 7m
Resonant Modes in a Room 4m
Resonant Modes in a Duct 6m
Reverberation and Room Acoustics 8m
Power and Energy 6m
Power and Energy Dissipation in Circuits 9m
Real Voltage and Current Sources6m
Impedence Matching Derivation 4m
Ideal and Real Current Sources 7m
Operational Amplifiers 6m
Using the OP AMP as a voltage follower 4m
Inverting OP AMP Configuration 4m
1 praktische Übung
Test for Weeks 1 and 256m
Woche
32 Stunden zum Abschließen
Week 3 - Some Necessary Mathematics MB & AC Circuit Analysis
Transistors, vacuum tubes, opamps, amplification, power gain, single-stage amplifiers.
Converting sound to electrical signals –microphones and guitar pickups, converting electrical signals to sound – loudspeakers
18 Videos (Gesamt 148 min)
18 Videos
Derivatives 7m
Mathematics: Sample Derivatives and Rules?5m
The Number e; Derivatives of sin and cos 8m
Simple Harmonic Oscillator 11m
Complex Numbers and Arithmetic 10m
Complex Exponentials and Eulers Formula 11m
Phasors 8m
Capacitors 9m
Transient Analysis of an RC Circuit 8m
Frequency Response of an RC Circuit 5m
Inductors 8m
Transient Response of an RL Circuit 5m
RL Lowpass and Highpass Circuits 6m
Phasors in AC Circuit Analysis 8m
Generalized Impedance 9m
Circuit Analysis Example 8m
Impedance Analysis of RL Circuit 6m
Filters as Frequency Dependant Voltage Dividers 7m
Woche
43 Stunden zum Abschließen
Week 4 - AC Signals & Loudspeakers and Radiation RC
Electric guitar electronics, pickup design, pickup placement and tone, volume control circuits, tone control circuits. Overview of a simple guitar amplifier, power supply, volume control, preamp, tone control, power amp section.
15 Videos (Gesamt 127 min), 1 Quiz
15 Videos
Fourier Series of a Triangle Wave 3m
Overtone Spectrums and Fourier Series 9m
Graphical Interpretation of Fourier Series Integrals 7m
Spectral Analysis 7m
Spectral Analysis Examples 10m
Filters applied to Frequency spectra 9m
Construction of a Guitar Pickup 8m
Electrical Model of a Guitar Pickup 9m
Guitar Pickup Analysis Continued (wr Q) 7m
Frequency Response of a Guitar Pickup 6m
Loudspeaker Radiation and Directionality 10m
Loudspeaker Radiation, Continued 8m
Electromechanical Model of a Loudspeaker 9m
Loudspeaker and Transducer Parameters 8m
1 praktische Übung
Test for Weeks 3 and 4
Woche
51 Stunde zum Abschließen
Week 5 - Closed Box Loudspeaker Design RC & Ported Loudspeaker Design
Designing speaker enclosures, basic principles, interaction of speaker driver with the cabinet, why a cabinet at all? Speaker designs for home stereo, crossover networks, guitar amplifier (open) speaker enclosures, bass amplifier (closed and vented) speaker enclosures.
8 Videos (Gesamt 61 min)
8 Videos
Closed Box Design 10m
Design Tools and Conclusions 6m
Model of a Ported Loudspeaker 5m
Design of Loudspeaker Port 11m
Design Tradeoffs 7m
Port Design Parameters 4m
Comparison of Closed Box and Ported Designs 3m
Woche
63 Stunden zum Abschließen
Week 6 - Guitar Pickup and Effects Analysis MB & Design and Construction of a Guitar Amplifier MB
Building the guitar amplifier, how to solder, getting the amp to work - systematic testing and troubleshooting. Visualizing sound waves, frequency content and tone, signal modification in electro-acoustic systems, tube amplifiers and distortion, wah pedal, talk box.
14 Videos (Gesamt 128 min), 1 Quiz
14 Videos
Tone Control and Pickup Analysis 8m
Tone Control and Pickup Analysis, Continued 7m
RLC Bandpass Filters 8m
Graphic Equalizers and Octave Filter Banks 5m
Graphic Equalizer Simulation9m
Wah Pedal Circuit Analysis 8m
Wah Pedal Circuit Analysis, Continued 12m
Design Overview and Tone Control Analysis 11m
Tone Control Analysis Continued 3m
Distortion Stage Analysis 10m
Distortion Stage Analysis, Continued 10m
Cabinet Design for the Guitar Amplifier 6m
Practical Considerations in Constructing the Amplifier 13m
1 praktische Übung
Final Exam
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nahm einen neuen Beruf nach Abschluss dieser Kurse auf
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ziehen Sie für Ihren Beruf greifbaren Nutzen aus diesem Kurs
20%
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Top-Bewertungen
Absolutely Excellent Course, Fantastic teaching; I found the circuit analysis for the last two weeks really challenging (in a good way). Very glad I stuck with it and finished it.
Good course. I enjoyed watching the lectures, especially from Bocco. The quizzes were also very representative of the course materials. Thanks for a good learning experience.
Dozenten
Robert Clark
Provost and Senior Vice President for Research and ProfessorMechanical Engineering
Mark Bocko
Distinguished Professor and ChairElectrical and Computer Engineering
Über University of Rochester
The University of Rochester is one of the nation's leading private universities. Located in Rochester, N.Y., the University provides exceptional opportunities for interdisciplinary study and close collaboration with faculty through its unique cluster-based curriculum. Its College, School of Arts and Sciences, and Hajim School of Engineering and Applied Sciences are complemented by its Eastman School of Music, Simon School of Business, Warner School of Education, Laboratory for Laser Energetics, School of Medicine and Dentistry, School of Nursing, Eastman Institute for Oral Health, and the Memorial Art Gallery.
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