A vinyl record that is even slightly warped or has a hole that.
													
																	High pitch noise vinyl. 
									
	
		
	
																	I am interested in vinyl and i am certainly planning on upgrading my turntable but i am financially not in the position to do so right now so i want to try and work with what i have. 
																	Both extremes cause hiss and surface noise to increase. 
																	Sometimes is can sound like a buzz or a very high pitched whistle. 
																	There is one more quality control issue that plagues the record making process. 
															
													
									
	
		
	
																	Vinyl depends on a mechanically driven system and any such system will introduce minute changes in the speed and pitch of playback. 
																	When playing records on my turntable they play at a considerably higher pitch than the original recording.