自動 じどうボリューム認識 にんしきじゃなかったです
jidōboryūmuninshikijanakattadesu

Noun
Desu Copula

The polite, past negative form of 自動ボリューム認識

1. Wasn't automatically recognizing volume.; Didn't automatically recognize the volume.

Past/Perfective
Negative
Polite
Casual Register
Computing