[Ei indexing]The 9th Int'l Conference on Acoustics, Vibration and Noise Control (CAVNC 2026) Website：https://www.academicx.org/CAVNC/2026/ Date：August 7-9, 2026 Venue：Kunming, China Indexing：Ei Compendex database for indexing   The 9th Int'l Conference on Acoustics, Vibration and Noise Control (CAVN…