You can fine-tune your recordings using the editing tools. Remove parts, record over parts, or replace an entire recording.
Go to the Voice Memos app .
To keep the selection (and delete the rest of the recording), tap Trim, or to delete the selection, tap Delete.
Tap Apply, then tap Done.
Tap Save Recording to overwrite the original recording, or tap Save as New Recording to save the edited version as a new recording (leaving the original as it was).
Go to the Voice Memos app on your iPad.
Do any of the following:
In the list of recordings, tap the recording you want to delete, then tap Organize recordings in Voice Memos on iPad