Course title
F0802000
Acoustical Engineering

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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. Acquire of the basic character of sound
  2. Acquire of acoustical measurement and evaluation method
  3. Acquire of the mechanism and design of electroacoustic device
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)
- Character of sound
- sound pressure and particle velocity
- Range attenuation 		Review of lecture 190minutes
3. Transfer of sound (2)
- Plane wave
- wave equation
- standing wave
Spherical wave
Radiation from source 		Review of lecture 190minutes
4. Transfer of sound (3)
- Spherical wave
- Radiation from source 		Review of lecture 190minutes
5. Measurement and analysis (1)
- sound level meter
- analysis in time domain 		Review of lecture 188minutes
6. Measurement and analysis (1)
- Frequency analysis
- Octave analysis
- evaluation of environmental sound 		Review of lecture 190minutes
7. Examination
Explanation 		Review of lecture 190minutes
8. Variety of sound device and its structure (1)
- Hearing and speech
- recorder 		Review of lecture 190minutes
9. Variety of sound device and its structure (2)
- Loudspeaker
- Electroacoustic conversion 		Review of lecture 190minutes
10. Variety of sound device and its structure (3)
- Microphone
- Directional pattern 		Review of lecture 190minutes
11. Spatial hearing (1)
- character of hearing
- control of field 		Review of lecture 190minutes
12. Spatial hearing (2)
- acoustical room
- bases of measurement
- measurement of impulse response 		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. - - 2658minutes
Relationship between 'Goals and Objectives' and 'Course Outcomes'

 中間試験 期末試験 Total.
1. 25% 5% 30%
2. 20% 20% 40%
3. 5% 25% 30%
Total. 50% 50% -
Evaluation method and criteria
Grade is judged by the midterm examination (50%), the term examination (50％). Passing standard is over 60%. Reports and quizzes may be considered (10%) in some cases.
Textbooks and reference materials
Juro Ohga, Audio transducers Engineering -- fundermentals and mordan technology of microphones, loudspeakers and earphones -- , coronasha
Prerequisites
Electrical Circuit Theory, Electromagnetism, Mathematics of Information and Communication Technology 1
Office hours and How to contact professors for questions
  • Monday and Tuesday evening
Relation to the environment
Non-environment-related course
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
Last modified : Wed Oct 17 08:02:24 JST 2018