Recordtmp (32) M4a -

Many third-party voice memo or call recording apps use this naming convention for active recordings.

If the file won't play, it is likely missing its "header" (the data that tells a player how long the audio is). You can try these methods: RecordTMP (32) m4a

This can sometimes bypass a corrupted header and pull the actual audio out. Many third-party voice memo or call recording apps