Per Sarnstedt
What version of Premiere Elements are you using and on what computer operating system are you running it on?
We may be able to boil this down to one reference, one Premiere Elements How To answer to your Premiere Elements question. Please review the following and then let us know if this known issue applies to you and if the suggested fix works for you.
ATR Premiere Elements Troubleshooting: PE: Narration Recording Stops After 30 Seconds
Looking forward to your follow up.
Thank you.
ATR