>>724,728,735742
Apple AirPods Pro Truly Wireless Headphones Review　https://www.rtings.com/headphones/reviews/apple/airpods-pro-truly-wireless
ここのディスカッションに書かれてる
Firmware Updates causing poor ANC performance　https://www.rtings.com/headphones/discussions/wViZzszsIKnys1e6/firmware-updates-causing-poor-anc-performance
>We finished re-testing with firmware 2C54 and did indeed notice a drop in noise isolation performance, primarily in the bass range.
再テストを実施したところ、2C54は主に低音域でノイキャン性能の低下が確認されたって言ってる
これが>>712のグラフ
>We didn’t observe any noticeable differences in noise isolation performance between the original firmware and the 2B588 update, so the graph didn’t change.
2B584と2B588にノイキャン性能上の有意差は確認できず、グラフに変化なしって言ってる

Sony WF-1000XM3 Truly Wireless Headphones Review　https://www.rtings.com/headphones/reviews/sony/wf-1000xm3-truly-wireless
>Upon updating and retesting the ANC, we didn't find any significant changes to their isolation performance and our test results remain the same.
Sony WH-1000XM3 Wireless Headphones Review　https://www.rtings.com/headphones/reviews/sony/wh-1000xm3-wireless
>We re-tested our Sony WH-1000XM3, but from our measurements, it doesn't seem like there's a noticeable difference in noise cancelling efficiency.
ソニーについてはどっちも再テストの結果、ノイキャン性能に有意差はないって書いてるぞ