Syntheses of aircraft noise obtained by computational methods

In ANIMA WP4, where focus is put on toolset development, a benchmark on three partners’ auralization tools was performed.

These tools are used to reproduce the sound of an aircraft flyover from either physical modelling of noise, a prediction based on measurement or a combination of both. As the chosen methodologies and the modelling hypotheses are different between partners, a benchmark was performed to assess the impact of these strategies on the produced sound synthesis.

The realism of each auralization was evaluated through comparison to experimental recordings. For propriety reasons, only the synthesized sounds are available here, and can be compared between each other.

Two of the three tools were further used in the WP3 task dedicated to Virtual Reality, see "Virtual reality simulated aircraft flyovers: Influence of the landscape on the overall pleasantness of the environment"

The sounds represent three flight configurations, one landing, and two take-offs with different engine speeds. Two aircraft are considered, one single-aisle and one double-aisle aircraft. The synthesis is performed at a receiver position below the aircraft trajectory.

For more information, please contact:

[e-mail] (ONERA)

[e-mail] (Airbus Aviation)

[e-mail] (Safran Aircraft Engine)

在ANIMA项目工作包4（ANIMA WP4）中，项目聚焦工具集开发方向，针对三家合作方的听觉仿真（auralization）工具开展了基准测试。

此类工具可通过噪声物理建模、实测数据预测，或二者结合的方式，还原航空器飞越时的声学效果。由于各合作方采用的方法学与建模假设存在差异，本次基准测试旨在评估这些不同策略对最终声音合成结果的影响。

每项听觉仿真结果的真实感，均通过与实验录音的对比进行评估。出于合规性考虑，本次仅提供合成声音样本，可供不同工具间的结果相互对比。

三款工具中的两款，还被用于专注于虚拟现实（Virtual Reality，VR）的WP3任务，相关内容可参阅《虚拟现实模拟航空器飞越：景观对环境整体愉悦感的影响》一文。

本次提供的声音样本涵盖三种飞行工况：1次着陆与2次不同发动机转速的起飞工况。测试涉及两款航空器：单通道客机与双通道客机。所有声音合成均在航空器航迹下方的接收点位置完成。

如需获取更多信息，请联系：
[e-mail]（法国国家航空航天研究院，ONERA）
[e-mail]（空中客车航空，Airbus Aviation）
[e-mail]（赛峰飞机发动机公司，Safran Aircraft Engine）