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SigmaDSP芯片实现音频信号的移相功能


		

			

									
						Lianyx
					
							

			
				
									
											
							 		
		        	            							
			
			    	
			                    
                
				                on Apr 9, 2020 
				
			
			
		


				
		

			
想使用SigmaDSP芯片实现音频信号的移相（或延迟）功能，比如输入1KHz正弦信号，输出1为基准相位，输出2为延迟30度相位后信号，输出3为延迟60度后信号，以此类推，需要4-8路不同相位输出信号。延迟的相位数可设定，可根据输入IO口的不同电平改变，不知道是否可实现，那个芯片可实现，输出可以是模拟信号，也可以是PWN数字信号。谢谢