隠かくし録どり

noun, noun or participle which takes 'suru', transitive verb

secret audio recording; covert recording

Refers to the act of making an audio recording without the knowledge or consent of the recorded party. Often used in contexts of journalism, investigation, or privacy violation.

• 記き者しゃが隠かくし録どりした音おん声せいが証しょう拠こになった。

  The audio secretly recorded by the reporter became evidence.

• 隠かくし録どりは法ほう律りつ違い反はんになる場ば合あいがある。

  Secret recording can be illegal in some cases.