unpitched
/ˈʌnˌpɪtʃt/, /ˈʌnˌpɪtʃɪd/
Definitions
1. adjective
Not yet marked or arranged for pitch; in a state of unorganized or unarranged sound.
“The orchestral conductor waited for the unpitched notes to be corrected before proceeding with the performance.”
2. noun
A sound, especially a musical sound, that is not yet pitched or is unclear.
“The unpitched noise from the construction site annoyed the nearby residents.”