"Is that noise really within design specifications?" — An introductory seminar on sound improvement design that visualizes complaints invisible to FFT alone using loudness.
Convert users’ “discomfort” into numerical values and learn a practical introductory method directly applicable to design.
Learn how to clearly explain "why it became quieter" by comparing before-and-after data.
A practical seminar that elevates noise complaint handling from intuition to reproducible engineering design.
Do you have these challenges?
- Noise complaints do not disappear even though measured values are within specification
- You perform FFT analysis, but cannot determine which sounds are actually unpleasant
- Improvements are ambiguous and design is not reproducible
- You cannot translate user sensations (“noisy”, “annoying”) into design requirements
- Noise countermeasures are ad hoc and do not address root causes
Who should attend this seminar
- Engineers and designers struggling to identify causes or solutions for noise complaints based only on measured data
- Those performing FFT analysis but unable to connect “which sound is unpleasant” to design decisions
- R&D and design engineers who want to quantitatively demonstrate the
effectiveness of noise countermeasures and achieve reproducible design
- Those who want to convert subjective sensations such as “noisy” or “annoying” into numerical values for design specifications
- Those who want to learn fundamental technology for sound improvement using loudness rather than ad hoc countermeasures
Seminar Overview
Noise complaints arise from a fundamental gap: measured values are acceptable, yet users still feel it is noisy. This seminar bridges that gap by integrating FFT-based physical decomposition and loudness-based psychoacoustic evaluation to quantify noise in a form usable for design. Through practical examples, we clearly show differences before and after improvements and enable reproducible engineering decisions.
This seminar helps you understand both “why noise complaints occur” and “how to reliably improve them,” combining numerical analysis and physical phenomena to develop practical design capability.
・Fundamental causes of noise complaints (gap between design values and human perception)
・FFT-based frequency decomposition and identification of problematic components
・Quantification of “loudness” through psychoacoustic transformation
・Before/after evaluation using real data
・Practical noise reduction design considering vibration, resonance, and material properties
・Feasible component-level countermeasures
・Verification of improvement effects using loudness metrics and integration into design standards
Seminar Program
- 1. Gap between noise complaints and design
1-1 Common pitfalls in noise evaluation
1-2 Difference between design perspective and user perception
2. Data analysis basics: FFT → Loudness transformation
2-1 Sound decomposition and visualization using FFT
2-2 Understanding psychoacoustic evaluation using loudness transformation
3. Before/after comparison
3-1 Analysis of noise data before improvement
3-2 Comparative evaluation after improvement
3-3 Differences between perceived sound and numerical values
4. Improvement design: mechanical and component-level solutions
4-1 Effects of vibration, resonance, and material properties
4-2 Component-level improvement methods
4-3 Practical design considerations
5. Effect verification: numerical evaluation of improvements
5-1 Evaluation using loudness indicators
5-2 Application to standardization of improved design
6. Q&A
Main outcomes of this seminar
- Convert vague complaints such as “noisy” into design-usable numerical values using FFT + loudness, enabling root-cause analysis and countermeasures.
- Clearly compare before/after improvements using loudness metrics, enabling reproducible noise reduction design and persuasive explanations to internal teams and customers.
Required prerequisite knowledge
- This seminar is intended for those with basic knowledge of noise engineering, but explanations are provided so even beginners can understand key points.
Bonus: Support via email or Zoom
- Free Q&A support regarding seminar content (for 15 days from the day after completion)
- Free technical consulting for vibration-related work issues (for 15 days from the day after completion)
Date / Access period
- Available year-round (on-demand seminar)
- Watch at your own timing for 3 consecutive days.
After application, please enter your preferred viewing dates (any 3 consecutive days, including weekends and holidays) in the designated form field.
We will do our best to accommodate your requested schedule; confirmation will be provided later.
Recording year & duration
- 2026 edition, approx. 5 hours
Fee
- Campaign fee: 28,000 yen (all inclusive / approx. half the cost of standard technical seminars. Promotional price due to full website renewal; subject to change without notice)
List of client companies & participant feedback
Instructor
| Title & Name |
Aitop Co., Ltd. Chief Technical Consultant
Certified Engineer, Japan Society for Noise Control Engineering
Technical Development Award, Acoustical Society of Japan
Former Adjunct Lecturer, Nagoya University Graduate School (lectures in English for international students: 2021–2024)
Hideo Kobayashi
|
| Specialty |
Theory, applied technology, and practice of vibration and noise engineering using AI |
| Experience |
Over 30 years of practical experience as a technical consultant and seminar lecturer, with extensive achievements, including long-term lecturing at industrial technology centers across Japan and seminars organized by Nikkan Kogyo Shimbun. |
*The above seminar program may be subject to minor changes.