ノイズキャンセリングじゃなかったです
noizu kyan seringujanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of ノイズキャンセリング

1. Wasn't noise-canceling.; Didn't have noise cancellation.

Past/Perfective
Negative
Polite
Casual Register