Two Steps to Extract Voice Memos from iPhone
Step 1. Scan iPhone or use iTunes backup file to recover
Install the program and connect your iPhone via USB cable to PC, you will get the interface as follow. Just begin by clicking the "Start Scan" button, simple enough. This is the mode of recovering from iOS devices.
Or, you can choose to Recover from iTunes Backup File. All your iTunes backup files could be found automatically as the following screen shot. Choose the one that you want to retrieve.
Step 2. Preview then retrieve deleted voice memos
The data will be listed in categories after scanning, you can mark those voice memos and M4A files you need to recover.
Moreover, you can also recover other data like photos, videos, contacts, messages, etc. from your backup file.
If you want to recover iPhone 4/3GS/ iPod touch 4/iPad 1, meanwhile you are a Windows user, you can use the program directly scan the voice memos on your device without iTunes backup.