https://chenynpiano.com/2026/07/25/%e9%9c%b8%e6%8b%93%e5%9b%bd%e9%99%85%e9%92%a2%e7%90%b4%e6%8a%80%e5%b8%88%e7%a0%94%e8%ae%a8%e4%bc%9a%ef%bc%9a%e6%96%bd%e5%9d%a6%e5%a8%81b-211%e7%9a%84%e7%89%b9%e6%b0%9f%e9%be%99%e6%97%b6/New York Piano Tuner : I used ear tuning (also known as auditory tuning) and state-of-the-art software-based electronic tuning equipment for sound tuning. (The frequency for home concert tuning is 440 Hz.) 我采用耳调音法（也称听调音法）和最先进的基于软件的电子调音设备进行调音。（家用音乐会调音的频率为 440 Hz） Chen YN 调音主页en2026-07-26T03:54:48+00:00霸拓国际钢琴技师研讨会：施坦威B-211的“特氟龙时代”之痛-基于现代摩擦学的保护性微创修复对策