Scratchy

adjective

1. Characterized by scratches.
2. (chiefly of a sore throat) Annoying, irritating, itchy.
3. (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."

4. (of a phonograph record) Having popping and/or crackling sounds due to excessive wear, especially from scratch marks.