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Acoustic Properties of Sound
Rating: 4.2 out of 5(2 ratings)
14 students

Acoustic Properties of Sound

Part 1 of the Music Technology course
Created byErrol Rackipov
Last updated 6/2023
English

What you'll learn

  • Review of the four groups of musical instruments and the way they produce sound
  • The Properties of the Acoustic sound
  • The Amplitude, the Frequency, The Phase, the Timbre
  • the Spatialization and the Envelope (ADSR)

Course content

1 section • 20 lectures • 1h 20m total length

  • In the Beginning...1:12

    This is the welcoming video to all the lectures associated with my Music Technology class.

  • Vibrations and the Size Pitch relationship5:46

    Why do we need to know about what sound is, the elements (properties of sound and how the acoustic instruments produce sound?

  • The Strings3:46

    The String instruments - what are they and how do they produce sound?

  • The Woodwinds5:45

    The Woodwind instruments - what are they and how do they produce sound?

  • The Brass2:55

    The Brass instruments - what are they and how do they produce sound?

  • The Percussion2:10

    The Percussion instruments - what are they and how do they produce sound?

  • The Acoustic, Analog and Digital world7:05

    It is of utmost importance for one to understand how the acoustic sound and its properties work before we learn how to apply this knowledge to the sound in the Analog and the Digital domains.

  • What is Sound Part 15:09

    What is Acoustic sound?

  • What is Sound Part 25:29

    The basics of Acoustic sound

  • The Psychoacoustics of sound2:03

    How do we perceive sound?

  • The Amplitude7:07

    What is Amplitude of sound? How do we perceive the amplitude of sound? The sound waveform. . How do we measure the amplitude of sound? Decibel.

  • The Frequency4:59

    What is Frequency of sound? How do we perceive the frequency of sound? The sound waveform. How do we measure the frequency of sound? Hertz.

  • The Phase Part 14:09

    What is phase in audio? In-phase sound vs out-of-phase sound. Practical applications in recoding audio and sound reinforcement.

  • The Phase Part 22:05

    Phasing issues during the recording and how to fix them.

  • The Timbre Part 13:28

    Timbre - the "Tone Color" or how are we able to differentiate one from another sound. What is synesthesia?

  • The Timbre Part 22:18

    Each instrument, voice and sound in general, has very specific characteristics which makes is unique. The Timbre is a big part of this.

  • The Spatialization Part 13:51

    Diffusion of sound or Spatialization is our ability to perceive sound from 360 degrees. How do we recreate this in the Analog and Digital domains?

  • The Spatialization Part 22:34

    Quadrophonic sound and various types of surround sound.

  • The Envelope (ADSR)3:39

    The essence or "ABC" of music synthesis or the way we create music using synthesizers ? ADSR - Attack, Decay, Sustain, Release. 

  • The Perception of Duration4:44

    The perception of duration - the length of the sound... the "tempo" of the sound.

    Oops... correction, at 0:55 I meant to say that your heart beats normally between 60-80 beats per MINUTE not "second" :)

Requirements

  • No programming experience needed. You will learn everything you need to know.
  • There are no required skills, tools or equipment for this section of the course.
  • Although, this section of the course does not require any specific tools, a pen, notebook, laptop and a set of headphones might be useful. Some of the examples would be perceived and understood better with an upgraded set of headphones, rather than the "earbuds".

Description

This class is Part 1 of an introductory survey of the fundamental aspects of music technology as it relates to music composition, performance, analysis, teaching, and research. Skills and concepts learned in this course will provide a foundation and basic understanding of music technology necessary for application in other courses of the music curriculum (i.e. theory, history, performance, and music education). This course provides a basic overview of the Acoustic properties of sound and how they relate to the Analog and Digital sound.

Learning Goals and Objectives:

This course is designed to meet the following goals:

• provide a conceptual overview of the Acoustic sound.

• give a broad perspective of the many ways the Acoustic sound is used in music applications

-no specific software required for this section of the course.

-no exams/quizzes/assignments for this section of the course.

-any additional materials would be found in the Resource section of the course.

Topic Schedule:

• Introduction

• Vibrations and Size Pitch relationship

• The Strings

• The Woodwinds

• The Brass

• The Percussion

• Acoustic, Analog and Digital world

• What is Sound Part 1

• What is Sound Part 2

• The Psychoacoustics of sound

• The Amplitude (Decibel)

• The Frequency (Hertz)

• The Phase Part 1 (In-Phase vs Out-of-Phase sound)

• The Phase Part 2

• The Timbre Part 1 (Tone "Color")

• The Timbre Part 2

• Spatialization Part 1 (360-degree surround sound)

• Spatialization Part 2

• The Envelope (ADSR - Attack, Decay, Sustain, Release)

• Perception of duration (The tempo)

Who this course is for:

  • Students interested in learning about Music and Technology, future sound engineers and producers.
  • This section of the course is suitable for any student level interested in learning about the Acoustic Properties of Sound.

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