ANALYSIS
INTRODUCTION
Introduction to Analysis using the HSEA model
04
Proposal of specifications to achieve target performance
Target performance can be obtained for the current car in-vehicle sound
![Target performance can be obtained for the current car in-vehicle sound](http://en.kajpn-hsea.com/kajpnen/wp-content/themes/kajpnenwt/images/technology/spec-proposal/img-spec-proposal-01_en.png)
![](http://en.kajpn-hsea.com/kajpnen/wp-content/themes/kajpnenwt/images/technology/spec-proposal/icon-arrow-right_en.png)
The system that needs to be improved and the amplitude of the necessary improvements are automatically calculated
![The system that needs to be improved and the amplitude of the necessary improvements are automatically calculated](http://en.kajpn-hsea.com/kajpnen/wp-content/themes/kajpnenwt/images/technology/spec-proposal/img-spec-proposal-02_en.png)
![](http://en.kajpn-hsea.com/kajpnen/wp-content/themes/kajpnenwt/images/technology/spec-proposal/icon-arrow-right_en.png)
Create soundproof material specifications to achieve target system performance
![Create soundproof material specifications to achieve target system performance](http://en.kajpn-hsea.com/kajpnen/wp-content/themes/kajpnenwt/images/technology/spec-proposal/img-spec-proposal-03_en.png)
A specification proposal for achieving the target SPL can be prepared in one week
Enables creating of specification proposal at an early stage of vehicle development