Course title
F00320003
Acoustical Engineering

 MUTO Kenji
Course description
This course covers main subjects of acoustic engineering. They are audio transducers and sound propagation, and aural characteristic in audio interface. Additionally, they leads to understanding of recent acoustical systems.
Purpose of class
Acquire the mechanism of the feature, the measurement, the evaluation method of the sound, and the sound device
Goals and objectives
  1. Students will explain the basic characteristics of sound
  2. They will explain of mechanism of acoustical transducers
  3. They will explain the mechanism of electroacoustic device
  4. They will explain the measurement and evaluation of acoustics
Relationship between 'Goals and Objectives' and 'Course Outcomes'

 midterm examination term examination report Total.
1. 13% 2% 12% 27%
2. 12% 3% 13% 28%
3. 0% 10% 12% 22%
4. 0% 10% 13% 23%
Total. 25% 25% 50% -
Evaluation method and criteria
Grade is judged by the midterm examination (25%), the term examination (25％), report(50%). Passing standard is over 60%. Reports and quizzes may be considered (10%) in some cases.
Language
Japanese
Class schedule

 Class schedule HW assignments (Including preparation and review of the class.) Amount of Time Required
1. Overview
- Base of acoustic engineering
- Base of sound and its level
- Hearing and speech 		Review of lecture 190minutes
2. Transfer of sound (1)
- Plane wave
- wave equation
- sound pressure and particle velocity
- free sound field 		Review of lecture 190minutes
3. Transfer of sound (2)
Spherical wave
Radiation from source 		Review of lecture 190minutes
4. Transmission of sound
- Radiation from source
- acoustic tube
- standing wave 		Review of lecture 190minutes
5. Variety of sound device and its structure
- Hearing and speech
- recorder
- Loudspeaker
- Electroacoustic conversion
- acoustic impedance 		Review of lecture 190minutes
6. Structure of Loudspeaker
- basic equation
- influence of enclosure
- sensitivity 		Review of lecture 190minutes
7. Variety of sound device and its structure
- Microphone
- basic equation 		Review of lecture 190minutes
8. Examination
Explanation 		Review of lecture 190minutes
9. Variety of sound device and its structure
- Microphone
- sensitivity
- directional pattern 		Review of lecture 190minutes
10. design of audio transducer
- directional microphone
- headphoone for music
- microphone for measuremnet
- octave analysis 		Review of lecture 190minutes
11. Measurement and analysis
- acoustic field
- device
- sound level meter 		Review of lecture 190minutes
12. Spatial acoustic
- room acoustic
- measurement of impulse response
- binaural system
- transaural system 		Review of lecture 190minutes
13. Application of electroacousitcs
- Telephone system
- Echo canceller
- Noise canceller 		Review of lecture 190minutes
14. Examination
Explanation 		Review of lecture 190minutes
Total. - - 2660minutes
Feedback on exams, assignments, etc.
ways of feedback specific contents about "Other"
Feedback in the class
Textbooks and reference materials
Juro Ohga, Audio transducers Engineering -- fundermentals and mordan technology of microphones, loudspeakers and earphones -- , coronasha
Prerequisites
It is desirable to have an understanding of Electrical Circuit Theory, Electromagnetism, Mathematics of Information and Communication Technology 1.
Office hours and How to contact professors for questions
  • Monday and Tuesday evening
Regionally-oriented
Non-regionally-oriented course
Development of social and professional independence
  • Course that cultivates an ability for utilizing knowledge
Active-learning course
N/A
Course by professor with work experience
Work experience Work experience and relevance to the course content if applicable
N/A N/A
Education related SDGs:the Sustainable Development Goals
  • 9.INDUSTRY, INNOVATION AND INFRASTRUCTURE
Last modified : Sat Mar 08 04:23:27 JST 2025