transcription, транскрипция: [ ʌnrɪkɔ:(r)dɪd ]
You use unrecorded to describe something that has not been written down or recorded officially, especially when it should have been.
The statistics don’t reveal of course unrecorded crime...
Much of Poland’s private industry goes unrecorded...
ADJ : ADJ n , v-link ADJ , ADJ after v