Scratchy
/ˈskɹætʃi/
adjective
Characterized by scratches.
(chiefly of a sore throat) Annoying, irritating, itchy.
(of an analogue radio transmission) Noisy, lossy; marred by white noise or static as a result of poor or low signal, interference or unfavourable atmospheric conditions.
“The FM station two hundred miles away was receivable, but the audio was too scratchy to positively identify.”