noun
voice changer
A device or software that alters the pitch or tone of a person's voice, often used for entertainment or privacy.
彼はボイスチェンジャーを使って、電話で別人のふりをした。
He used a voice changer to pretend to be someone else on the phone.
Variant with interpunct; less common in everyday use.
Borrowed from English 'voice changer'.