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Audio Engineering (TCH026)

Audio Engineering (TCH026)

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Quick Overview

This course is currently closed for new enrollments.

In this introductory technology course, students learn about the physics of sound and the history of recording technologies. They learn about the four stages of professional music recording projects: recording, editing, mixing, and mastering. Using Audacity, an open-source recording and mixing program, they practice the techniques used by sound engineers to produce multi-track recordings. Through a series of engaging hands-on projects, they learn the fundamental concepts of audio engineering.

Teacher-Led Course (one-time payment)   $425.00

Monthly Fees: Due Today:

Price as configured: $0.00

Details

Course Overview

In this introductory course, students learn about the physics of sound and the history of recording technologies. They learn about the four stages of professional music recording projects: recording, editing, mixing, and mastering. Using Audacity, an open-source recording and mixing program, they practice the techniques used by sound engineers to produce multitrack recordings. Through a series of engaging hands-on projects, they learn the fundamental concepts of audio engineering.


Course Outline

Students learn how to move through the course and turn in assignments. They set up course folders and download and install course software.

  • Start the Course
  • Set Up Your Computer
  • Set Up a Browser and Install 7-Zip
  • Find and Complete Coursework

Section 1: Understanding Sound

Students learn about sound sources; the parts of a speaker; the parts of an audio waveform; and the difference between volume and loudness. They learn to measure amplitude; generate sine, square, and sawtooth wave tone waveforms; duplicate audio tracks; identify different phase angles; and use the Time Shift Tool. They learn about frequency, pitch, and octaves; how to generate tones at specific frequencies and octaves; and how to loop, mute, and solo audio. They learn simple and complex waveforms; harmonics, fundamental tones, and partials; and how to remove noise from an audio file. They learn about health and safety for audio engineers; sound thresholds; hearing protective gear; ergonomics; and repetitive strain injury.

  • Sound
  • Make Waveforms
  • Manipulate Waves
  • Frequency
  • Clean Up Audio
  • Health and Safety

Section 2: Recording Audio

Students learn about analog recording technology; mechanical audio devices; overdubbing and multitrack recording; and the disadvantages of analog audio recording. They learn about digital recording technology; digital audio hardware; acoustics; and recording studio equipment. They learn how to address echoes, reverb, leakage, standing waves, noise floor, and frequency balance.

  • Analog Recording Technology
  • Digital Recording Technology
  • Recording Studios
  • Echoes
  • Reverb
  • More Acoustical Problems

Section 3: Audio Software Tools

Students learn about the features of DAW software and DAW-specific hardware; the features and advantages of Audacity; MIDI and its history; MIDI cables and jacks; and the use of MIDI controllers. They learn about looping software and when to use it; syncing; and how to change the tempo, pitch, and speed of an audio file. They learn about audio file formats; file compression and audio data loss; constant and variable bit rates; and metadata.

  • DAW Software
  • Other Audio Tools
  • Multitrack Music Project
  • Audio File Formats
  • Encode Audio

Section 4: Mics and Mixing

Students learn about microphones, transducers, connectors, active and passive mics, and phantom power. They learn about frequency and transient response, the proximity effect, output characteristics, mono and stereo sound, and techniques for placing mics for instruments. They learn about intellectual property, copyright, digital rights management, fair use, public domain, and Creative Commons licenses. They learn to mix samples, remove unwanted audio tracks, repeat samples, change the gain, and pan an audio track. They learn to split a stereo track into two mono tracks, combine two mono tracks into a stereo track, and use the Envelope Tool to modify an audio track's envelope.

  • Microphone Hardware
  • Microphone Specifications
  • Microphone Placement
  • Using Other People's Music
  • Mix Samples
  • Finish Mixing Samples

Section 5: Mastering Sound

Students learn about mastering; audio signal processing; equalization; and positive and negative decibels. They learn to equalize audio with the Equalize Tool; draw curves; make and save a curve preset; read the level meter; and find the peaks in an audio track. They learn to compress and normalize audio; fade and crossfade sound; add a Phaser Effect; and add wahwah to audio.

  • Mastering and EQ
  • Continue Using EQ
  • Compress Audio
  • Normalize and Fade
  • Phaser and Wahwah Effects

Additional Information

Course Length 4 Months
Prerequisites No
Course Materials No
Course Start Date

Courses Taught by a K12 Teacher

Courses with a teacher have designated start dates throughout Fall, Spring, and Summer. Full-year courses last 10 months and semester courses last 4 months. Courses are taught by teachers in K12 International Academy. For details on start dates, click here.

Teacher Assisted Yes, this course is taught by a K12 International Academy teacher. If you are looking for a teacher-supported option with additional flexibility and year-round start dates, click here to learn about the Keystone School, another K12 online private schooling option.
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To use this course, you'll need a computer with an Internet connection.  Some courses require additional free software programs, which you can download from the Internet.

Hardware and Browsers (Minimum Recommendations)

Windows OS

  • CPU: 1.8 GHz or faster processor (or equivalent)

  • RAM: 1GB of RAM

  • Browser: Microsoft Internet Explorer 9.0 or higher, Mozilla Firefox 10.0 versions or higher, Chrome 17.0 or higher

  • At this time our users are encouraged not to upgrade to Windows 10 or Edge (the new browser)

 

Mac OS

  • CPU: PowerPC G4 1 GHz or faster processor; Intel Core Duo 1.83 GHz or faster processor

  • RAM: 1GB of RAM

  • Browser: Firefox 10.0 versions or higher, Chrome 17.0 or higher (Safari is not supported!)

Internet Connections

It is highly recommended that a broadband connection be used instead of dial up.