{
	"patcher" : 	{
		"fileversion" : 1,
		"appversion" : 		{
			"major" : 7,
			"minor" : 0,
			"revision" : 1,
			"architecture" : "x86",
			"modernui" : 1
		}
,
		"rect" : [ 91.0, 103.0, 566.0, 429.0 ],
		"bglocked" : 0,
		"openinpresentation" : 0,
		"default_fontsize" : 12.0,
		"default_fontface" : 0,
		"default_fontname" : "Arial",
		"gridonopen" : 1,
		"gridsize" : [ 15.0, 15.0 ],
		"gridsnaponopen" : 1,
		"objectsnaponopen" : 1,
		"statusbarvisible" : 2,
		"toolbarvisible" : 1,
		"lefttoolbarpinned" : 0,
		"toptoolbarpinned" : 0,
		"righttoolbarpinned" : 0,
		"bottomtoolbarpinned" : 0,
		"toolbars_unpinned_last_save" : 0,
		"tallnewobj" : 0,
		"boxanimatetime" : 200,
		"enablehscroll" : 1,
		"enablevscroll" : 1,
		"devicewidth" : 0.0,
		"description" : "",
		"digest" : "",
		"tags" : "",
		"style" : "",
		"subpatcher_template" : "",
		"boxes" : [ 			{
				"box" : 				{
					"id" : "obj-3",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 295.0, 113.0, 198.0, 20.0 ],
					"presentation_rect" : [ 259.0, 142.0, 0.0, 0.0 ],
					"style" : "",
					"text" : "Set relative delay between inputs"
				}

			}
, 			{
				"box" : 				{
					"fontname" : "Arial Bold Italic",
					"fontsize" : 18.0,
					"id" : "obj-21",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 22.5, 20.0, 377.0, 27.0 ],
					"style" : "",
					"text" : "Detect sample delay by cross-correlation"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-15",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 85.0, 189.0, 29.5, 22.0 ],
					"style" : "",
					"text" : "+~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-16",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 173.0, 189.0, 29.5, 22.0 ],
					"style" : "",
					"text" : "+~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-14",
					"linecount" : 2,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 166.5, 305.5, 150.0, 33.0 ],
					"style" : "",
					"text" : "Use cross-correlation to detect relative delay"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-13",
					"linecount" : 3,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 295.0, 137.0, 198.0, 47.0 ],
					"style" : "",
					"text" : "(a 128-sample buffer will detect relative delays from -32 to 31 samples)"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-12",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 85.0, 69.0, 270.0, 20.0 ],
					"style" : "",
					"text" : "Test with isolated clicks and/or a random noise:"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-10",
					"linecount" : 2,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 166.5, 357.0, 154.0, 33.0 ],
					"style" : "",
					"text" : "Detected relative delay (in samples) between inputs"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-7",
					"maxclass" : "toggle",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "int" ],
					"parameter_enable" : 0,
					"patching_rect" : [ 183.5, 99.0, 24.0, 24.0 ],
					"style" : ""
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-5",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 211.0, 99.0, 46.0, 22.0 ],
					"style" : "",
					"text" : "noise~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-4",
					"maxclass" : "button",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "bang" ],
					"patching_rect" : [ 85.0, 98.0, 24.0, 24.0 ],
					"style" : ""
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-2",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 85.0, 137.0, 41.0, 22.0 ],
					"style" : "",
					"text" : "click~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-23",
					"maxclass" : "number",
					"numinlets" : 1,
					"numoutlets" : 2,
					"outlettype" : [ "", "bang" ],
					"parameter_enable" : 0,
					"patching_rect" : [ 295.0, 189.0, 50.0, 22.0 ],
					"style" : ""
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-24",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 85.0, 264.0, 80.0, 22.0 ],
					"style" : "",
					"text" : "delay~ 32 10"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-22",
					"maxclass" : "number",
					"numinlets" : 1,
					"numoutlets" : 2,
					"outlettype" : [ "", "bang" ],
					"parameter_enable" : 0,
					"patching_rect" : [ 404.0, 189.0, 50.0, 22.0 ],
					"style" : ""
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-18",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 183.5, 137.0, 41.0, 22.0 ],
					"style" : "",
					"text" : "gate~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-17",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 173.0, 264.0, 73.0, 22.0 ],
					"style" : "",
					"text" : "delay~ 32 0"
				}

			}
, 			{
				"box" : 				{
					"fontface" : 0,
					"fontname" : "Arial",
					"fontsize" : 12.0,
					"id" : "obj-8",
					"maxclass" : "number~",
					"mode" : 2,
					"numinlets" : 2,
					"numoutlets" : 2,
					"outlettype" : [ "signal", "float" ],
					"patching_rect" : [ 85.0, 357.0, 73.0, 22.0 ],
					"sig" : 0.0,
					"style" : ""
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-1",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patcher" : 					{
						"fileversion" : 1,
						"appversion" : 						{
							"major" : 7,
							"minor" : 0,
							"revision" : 1,
							"architecture" : "x86",
							"modernui" : 1
						}
,
						"rect" : [ 576.0, 153.0, 609.0, 611.0 ],
						"bglocked" : 0,
						"openinpresentation" : 0,
						"default_fontsize" : 12.0,
						"default_fontface" : 0,
						"default_fontname" : "Arial",
						"gridonopen" : 1,
						"gridsize" : [ 15.0, 15.0 ],
						"gridsnaponopen" : 1,
						"objectsnaponopen" : 1,
						"statusbarvisible" : 2,
						"toolbarvisible" : 1,
						"lefttoolbarpinned" : 0,
						"toptoolbarpinned" : 0,
						"righttoolbarpinned" : 0,
						"bottomtoolbarpinned" : 0,
						"toolbars_unpinned_last_save" : 0,
						"tallnewobj" : 0,
						"boxanimatetime" : 200,
						"enablehscroll" : 1,
						"enablevscroll" : 1,
						"devicewidth" : 0.0,
						"description" : "",
						"digest" : "",
						"tags" : "",
						"style" : "",
						"subpatcher_template" : "",
						"boxes" : [ 							{
								"box" : 								{
									"id" : "obj-1",
									"maxclass" : "newobj",
									"numinlets" : 0,
									"numoutlets" : 1,
									"outlettype" : [ "" ],
									"patching_rect" : [ 50.0, 14.0, 30.0, 22.0 ],
									"style" : "",
									"text" : "in 1"
								}

							}
, 							{
								"box" : 								{
									"id" : "obj-2",
									"maxclass" : "newobj",
									"numinlets" : 0,
									"numoutlets" : 1,
									"outlettype" : [ "" ],
									"patching_rect" : [ 473.0, 14.0, 30.0, 22.0 ],
									"style" : "",
									"text" : "in 2"
								}

							}
, 							{
								"box" : 								{
									"code" : "Delay f(128), g(128);\r\nHistory result;\r\n\r\nlen = 128;\t// must be equal or less than delay size\r\nhalf = len/2; // i.e. window size\r\nqtr = len/4; // i.e. minimum latency\r\n\r\nf.write(in1);\r\ng.write(in2);\r\n\r\n// for each potential delay n:\r\nmag = 0;\r\nfor (n=-qtr; n<qtr; n+=1) {\r\n\t// get cross correlation at offet n:\r\n\ts = 0;\r\n\tfor (m=0; m<half; m+=1) {\r\n\t\tv = (f.read(qtr+m) * g.read(qtr+m+n));\r\n\t\ts += v;\r\n\t}\r\n\t\r\n\t// is this the peak correlation?\r\n\tmag1 = abs(s);\r\n\tif (mag1 > mag) {\r\n\t\tmag = mag1;\r\n\t\tresult = n;\r\n\t}\r\n}\r\n\r\n// be careful: there must at least qtr samples of latency \r\n// needed before a correlation peak is reported:\r\nout1 = result;",
									"fontface" : 0,
									"fontname" : "Arial",
									"fontsize" : 12.0,
									"id" : "obj-3",
									"maxclass" : "codebox",
									"numinlets" : 2,
									"numoutlets" : 1,
									"outlettype" : [ "" ],
									"patching_rect" : [ 50.0, 51.0, 442.0, 503.0 ],
									"style" : ""
								}

							}
, 							{
								"box" : 								{
									"id" : "obj-4",
									"maxclass" : "newobj",
									"numinlets" : 1,
									"numoutlets" : 0,
									"patching_rect" : [ 50.0, 571.0, 37.0, 22.0 ],
									"style" : "",
									"text" : "out 1"
								}

							}
 ],
						"lines" : [ 							{
								"patchline" : 								{
									"destination" : [ "obj-3", 0 ],
									"disabled" : 0,
									"hidden" : 0,
									"source" : [ "obj-1", 0 ]
								}

							}
, 							{
								"patchline" : 								{
									"destination" : [ "obj-3", 1 ],
									"disabled" : 0,
									"hidden" : 0,
									"source" : [ "obj-2", 0 ]
								}

							}
, 							{
								"patchline" : 								{
									"destination" : [ "obj-4", 0 ],
									"disabled" : 0,
									"hidden" : 0,
									"source" : [ "obj-3", 0 ]
								}

							}
 ]
					}
,
					"patching_rect" : [ 85.0, 311.0, 38.0, 22.0 ],
					"style" : "default",
					"text" : "gen~"
				}

			}
 ],
		"lines" : [ 			{
				"patchline" : 				{
					"destination" : [ "obj-8", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-1", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-24", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-15", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-17", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-16", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-1", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-17", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-15", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-18", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-16", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-18", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-15", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-2", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-16", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-2", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-17", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-22", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-24", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-23", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-1", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-24", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-2", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-4", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-18", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-5", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-18", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-7", 0 ]
				}

			}
 ],
		"dependency_cache" : [  ],
		"embedsnapshot" : 0
	}

}