音频和音乐工程基础:第1部分 音乐声音和电子学

Fundamentals of Audio and Music Engineering: Part 1 Musical Sound & Electronic

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.

罗彻斯特大学

Coursera

艺术

普通(中级)

27 小时

  • 英语
  • 1063

课程概况

在本课程中,学生将学习声学和电子学的基本概念,以及如何应用它们来理解音乐声音和用电子乐器制作音乐。主题包括:声波,音乐声,基本电子学,以及放大器和扬声器设计中这些基本原理的应用。

课程大纲

周1 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.

周2 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)

周3 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

周4 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.

周5 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.

周6 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.

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