Parts of Speech for Audio frequency
au·di·o fre·quen·cy
A a Gramatical Hierarchy
Grammatically "Audio Frequency" is a noun. But also it is used as a adjective.
All about audio frequency Download all about audio frequency in pdfGrammatically "Audio Frequency" is a noun. But also it is used as a adjective.
All about audio frequency Download all about audio frequency in pdf