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  • Summary & Details

Sound Engineering Tool for Engine Development Index-based Sound Design and Optimization of Intake Spec.-

エンジン音色設計ツールの開発 音色指標による目標音生成と吸気系諸元の最適化

Detailed Information

Category(J)エンジン振動・騒音

Translation

Author(J)1) 寺澤 位好, 2) 脇田 敏裕, 3) 中川 博之, 4) 宇野 達夫
Author(E)1) Noriyoshi Terazawa, 2) Toshihiro Wakita, 3) Hiroyuki Nakagawa, 4) Tatsuo Uno
Affiliation(J)1) 豊田中央研究所, 2) 豊田中央研究所, 3) トヨタ自動車, 4) トヨタ自動車
Affiliation(E)1) Toyota Central R&D Labs.,Inc., 2) Toyota Central R&D Labs.,Inc., 3) Toyota Motor Corp., 4) Toyota Motor Corp.
Abstract(J)加速時車室内のエンジン音色の設計手法を開発した。設計入力は,感性評価項目である「力強さ」であり,音色創りのアイテムとして吸気音を用いた。本ツールでは,所望の「力強さ」を持つ車内音の生成,目標音実現のために必要な吸気音変更量の算出,目標吸気音実現のための最適な吸気系諸元を選択することが可能である。

Translation

Abstract(E)We developed a new design method for the engine sound quality in a car interior during acceleration. The new tool mainly has three functions, which are sound quality analysis, sound simulation and sound design. The tool can create a target sound by modifying the intake noise. The input of the tool is a powerful sound index based on a subjective test. Moreover it can calculate the intake noise characteristic and select the suitable intake specification to satisfy the target interior sound. By using this tool, the user can shorten the development period of the sound engineering of a car.

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