Recover deleted files from cenix vr-p3490

You can recover deleted files with asoftech data recovery software. get the software from link below

Audio Recorder Recovery Software

Please be noted that your voice recorder memory should show as a drive letter in your explorer, if not, you need to take out your memory card and connect using a card reader, or plug-in to card reader slot if there's any on your computer.

You may check out this memory card recovery tutorial also

Try this digital voice recorder audio recovery software. Just install it on your PC, then connect your recorder (the memory stick or card). Then start to scan for the deleted files. It should help you out.
Remember - Do NOT try & write anything back untill you can retrieve your files safely! I hope you good luck. Best regards.

You may try some recovery software to rescue the audio files on your voice recorder, here are some for your option.

Photo Video Audio Recovery (for Windows)
Photo Video Audio Recovery for Mac

Both programs can also recover video and music files.

Note: Before your files are recovered, do not attempt to save more files to the recorder in case the original files(your recordings) are overwritten.

What have you done to this recorder after the deletion, saving any new file on it?
In fact, the deleted files are still saved there as long as they are not overwritten by anything new. But, if you've written something new, I am sorry, part of or even all of your deleted files may be destroyed. You'd better know this.
No matter whether you've overwritten these deleted files, you also should take a chance with a data recovery freeware to restore your deleted files back from this recorder .
This data recovery freeware has helped many people restore their inaccessible filed back, including me. So, just give it a shot here:
http://blog4mark.blogspot.com/2012/12/deleted-files-recovery.html

You only need to connect your recorder to PC with USB, once it has been identified by PC, please then selecte a data restoration tool to help you recover deleted video, audio and etc.