{
	"patcher" : 	{
		"fileversion" : 1,
		"appversion" : 		{
			"major" : 7,
			"minor" : 0,
			"revision" : 0,
			"architecture" : "x86",
			"modernui" : 1
		}
,
		"rect" : [ 114.0, 301.0, 893.0, 488.0 ],
		"bglocked" : 0,
		"openinpresentation" : 0,
		"default_fontsize" : 12.0,
		"default_fontface" : 0,
		"default_fontname" : "Arial",
		"gridonopen" : 0,
		"gridsize" : [ 15.0, 15.0 ],
		"gridsnaponopen" : 0,
		"statusbarvisible" : 2,
		"toolbarvisible" : 1,
		"lefttoolbarpinned" : 0,
		"toptoolbarpinned" : 0,
		"righttoolbarpinned" : 0,
		"bottomtoolbarpinned" : 0,
		"toolbars_unpinned_last_save" : 0,
		"tallnewobj" : 1,
		"boxanimatetime" : 200,
		"enablehscroll" : 1,
		"enablevscroll" : 1,
		"devicewidth" : 0.0,
		"description" : "",
		"digest" : "",
		"tags" : "",
		"style" : "",
		"boxes" : [ 			{
				"box" : 				{
					"id" : "obj-41",
					"linecount" : 3,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 362.0, 402.0, 277.0, 47.0 ],
					"style" : "",
					"text" : "This is a very simple phase vocoder.  It is not the best quality possible but it gives an easy example of the technique."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-40",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 214.0, 215.0, 201.0, 20.0 ],
					"style" : "",
					"text" : "record some frames of spectral data"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-39",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 188.0, 149.0, 172.0, 20.0 ],
					"style" : "",
					"text" : "wrap values between -π and π"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-36",
					"linecount" : 4,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 67.0, 238.0, 280.0, 60.0 ],
					"style" : "",
					"text" : "notice that we are recording amplitude and \"phase difference\" which can be used to reconstruct a correct phase value when we play back the spectral frames at a different speed...."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-35",
					"linecount" : 4,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 57.0, 390.0, 203.0, 60.0 ],
					"style" : "",
					"text" : "20000 ms. = 882000 samples at 44.1kHz = 1722 frames of spectrum data at a FFT size of 1024 points (512 sigvs. for this subpatch)."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-34",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 87.0, 181.0, 38.0, 20.0 ],
					"style" : "",
					"text" : "<==="
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-32",
					"linecount" : 3,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 603.0, 166.0, 181.0, 47.0 ],
					"style" : "",
					"text" : "this example shows how to use the sync inlet of the fftin~ instead of count~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-1",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 112.0, 149.0, 74.0, 26.0 ],
					"style" : "",
					"text" : "phasewrap~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-2",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 492.0, 140.0, 32.0, 26.0 ],
					"style" : "",
					"text" : "sig~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-3",
					"maxclass" : "newobj",
					"numinlets" : 0,
					"numoutlets" : 1,
					"outlettype" : [ "" ],
					"patching_rect" : [ 21.0, 178.0, 56.0, 26.0 ],
					"style" : "",
					"text" : "r recstart"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-4",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "" ],
					"patching_rect" : [ 492.0, 46.0, 29.0, 26.0 ],
					"saved_object_attributes" : 					{
						"attr_comment" : ""
					}
,
					"style" : "",
					"text" : "in 2"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-5",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 367.0, 346.0, 125.0, 20.0 ],
					"style" : "",
					"text" : "ifft window to patcher."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-6",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 388.0, 316.0, 102.0, 20.0 ],
					"style" : "",
					"text" : "amp/phase to x/y."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-7",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 492.0, 256.0, 76.0, 26.0 ],
					"style" : "",
					"text" : "index~ this 1"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-8",
					"maxclass" : "message",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "" ],
					"patching_rect" : [ 56.0, 335.0, 36.0, 22.0 ],
					"style" : "",
					"text" : "clear"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-9",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 492.0, 174.0, 44.0, 26.0 ],
					"style" : "",
					"text" : "*~ 512"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-10",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 492.0, 217.0, 63.0, 26.0 ],
					"style" : "",
					"text" : "+~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-11",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 578.0, 256.0, 76.0, 26.0 ],
					"style" : "",
					"text" : "index~ this 2"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-12",
					"maxclass" : "newobj",
					"numinlets" : 4,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 71.0, 216.0, 142.0, 26.0 ],
					"style" : "",
					"text" : "record~ this 2"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-13",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 2,
					"outlettype" : [ "float", "bang" ],
					"patching_rect" : [ 56.0, 362.0, 130.0, 26.0 ],
					"style" : "",
					"text" : "buffer~ this 20000 2"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-14",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 578.0, 279.0, 93.0, 26.0 ],
					"style" : "",
					"text" : "frameaccum~ 1"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-15",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 1,
					"outlettype" : [ "signal" ],
					"patching_rect" : [ 112.0, 109.0, 72.0, 26.0 ],
					"style" : "",
					"text" : "framedelta~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-16",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 2,
					"outlettype" : [ "signal", "signal" ],
					"patching_rect" : [ 492.0, 316.0, 59.0, 26.0 ],
					"style" : "",
					"text" : "poltocar~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-17",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 2,
					"outlettype" : [ "signal", "signal" ],
					"patching_rect" : [ 71.0, 80.0, 60.0, 26.0 ],
					"style" : "",
					"text" : "cartopol~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-18",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 686.0, 103.0, 154.0, 20.0 ],
					"style" : "",
					"text" : "Spectral frame size (sigvs)."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-19",
					"maxclass" : "number",
					"numinlets" : 1,
					"numoutlets" : 2,
					"outlettype" : [ "", "bang" ],
					"parameter_enable" : 0,
					"patching_rect" : [ 623.0, 104.0, 61.0, 22.0 ],
					"style" : "",
					"triscale" : 0.9
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-20",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 4,
					"outlettype" : [ "int", "int", "int", "int" ],
					"patching_rect" : [ 609.0, 75.0, 60.0, 26.0 ],
					"style" : "",
					"text" : "fftinfo~"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-21",
					"maxclass" : "newobj",
					"numinlets" : 1,
					"numoutlets" : 3,
					"outlettype" : [ "signal", "signal", "signal" ],
					"patching_rect" : [ 71.0, 51.0, 101.0, 26.0 ],
					"style" : "",
					"text" : "fftin~ 1"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-22",
					"maxclass" : "newobj",
					"numinlets" : 2,
					"numoutlets" : 0,
					"patching_rect" : [ 492.0, 346.0, 59.0, 26.0 ],
					"style" : "",
					"text" : "fftout~ 1"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-23",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 123.0, 181.0, 236.0, 20.0 ],
					"style" : "",
					"text" : "record something (sent from parent patch)."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-24",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 136.0, 80.0, 232.0, 20.0 ],
					"style" : "",
					"text" : "convert (real, imag) to (amplitude, phase)."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-25",
					"linecount" : 2,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 187.0, 109.0, 202.0, 33.0 ],
					"style" : "",
					"text" : "compute phase deviation between successive FFT frames."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-26",
					"linecount" : 6,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 588.0, 303.0, 250.0, 87.0 ],
					"style" : "",
					"text" : "accumulate the \"phase difference\" values to reconstruct a \"correct\" phase value for the bins - this is called \"running phase\".  The non-zero argument to frameaccum~ tells it to perform high-resolution phase wrapping on the accumulated signal to preserve fidelity."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-27",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 523.0, 45.0, 160.0, 20.0 ],
					"style" : "",
					"text" : "play back frames at any rate"
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-28",
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 71.0, 30.0, 148.0, 20.0 ],
					"style" : "",
					"text" : "fft window in from patcher."
				}

			}
, 			{
				"box" : 				{
					"id" : "obj-30",
					"linecount" : 2,
					"maxclass" : "comment",
					"numinlets" : 1,
					"numoutlets" : 0,
					"patching_rect" : [ 98.0, 324.0, 123.0, 33.0 ],
					"style" : "",
					"text" : "buffer which will hold our  spectral data."
				}

			}
 ],
		"lines" : [ 			{
				"patchline" : 				{
					"destination" : [ "obj-12", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-1", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-11", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"midpoints" : [ 501.5, 245.0, 587.5, 245.0 ],
					"source" : [ "obj-10", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-7", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-10", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-14", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-11", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-16", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"midpoints" : [ 587.5, 300.0, 541.5, 300.0 ],
					"source" : [ "obj-14", 0 ]
				}

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

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-22", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-16", 1 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-22", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-16", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-12", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-17", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-15", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"midpoints" : [ 121.5, 103.0, 121.5, 103.0 ],
					"source" : [ "obj-17", 1 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-9", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-19", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-9", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-2", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-19", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-20", 1 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-10", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"midpoints" : [ 162.5, 79.5, 545.5, 79.5 ],
					"source" : [ "obj-21", 2 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-17", 1 ],
					"disabled" : 0,
					"hidden" : 0,
					"midpoints" : [ 121.5, 77.0, 121.5, 77.0 ],
					"source" : [ "obj-21", 1 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-17", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-21", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-12", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-3", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-2", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"midpoints" : [ 501.5, 95.0, 501.5, 95.0 ],
					"source" : [ "obj-4", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-16", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-7", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-13", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-8", 0 ]
				}

			}
, 			{
				"patchline" : 				{
					"destination" : [ "obj-10", 0 ],
					"disabled" : 0,
					"hidden" : 0,
					"source" : [ "obj-9", 0 ]
				}

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

}