add julia draft <3

rossignol/parametrique/.ipynb_checkpoints/note_flute-checkpoint.ipynb

@@ -0,0 +1,182 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Flute\n",
+    "\n",
+    "## Objectif de ce fichier\n",
+    "\n",
+    "pipopipopipo\n",
+    "\n",
+    "## Code\n",
+    "\n",
+    "On importe le son de la flûte.\n",
+    "\n",
+    "On affiche et on joue le son pour s'assurer qu'il est bien **Ne fonctionne pas ?**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "┌ Info: Precompiling ImageView [86fae568-95e7-573e-a6b2-d8a6b900c9ef]\n",
+      "└ @ Base loading.jl:1242\n"
+     ]
+    }
+   ],
+   "source": [
+    "using WAV\n",
+    "using Plots\n",
+    "using WORLD\n",
+    "using ImageView"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "y_flute, fs_flute = wavread(\"fluteircam.wav\");\n",
+    "y_flute = vec(y_flute);\n",
+    "fs_flute = floor(Int, fs_flute);\n",
+    "t_flute = (0 : 1 : size(y_flute)[1]-1)/fs_flute;"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#wavplay(y_flute, fs_flute);\n",
+    "#plot(t_flute, y_flute, title=\"Flute\",label=[\"Signal brut\"])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "opt = HarvestOption(300.0, 800.0, 0.02)#floor and ceil freq, period\n",
+    "f0, timeaxis = harvest(y_flute, fs_flute, opt);"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#plot(timeaxis, f0)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "opt = DioOption(f0floor=300.0, f0ceil=800.0, channels_in_octave=2.0,\n",
+    "        period=0.2, speed=1)\n",
+    "f0, timeaxis = dio(y_flute, fs_flute, opt);"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#plot(timeaxis, f0)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "spectrogram = cheaptrick(y_flute, fs_flute, timeaxis, f0);"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 41,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "(1025, 68426)\n"
+     ]
+    }
+   ],
+   "source": [
+    "println(size(spectrogram/max(spectrogram)))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Dict{String,Any} with 4 entries:\n",
+       "  \"gui\"         => Dict{String,Any}(\"window\"=>GtkWindowLeaf(name=\"\", parent, wi…\n",
+       "  \"roi\"         => Dict{String,Any}(\"redraw\"=>74: \"map(clim-mapped image, input…\n",
+       "  \"annotations\" => 40: \"input-14\" = Dict{UInt64,Any}() Dict{UInt64,Any} \n",
+       "  \"clim\"        => 39: \"CLim\" = CLim{Float64}(5.04797e-17, 1.15948) CLim{Float6…"
+      ]
+     },
+     "execution_count": 42,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "imshow(spectrogram)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Julia 1.2.0",
+   "language": "julia",
+   "name": "julia-1.2"
+  },
+  "language_info": {
+   "file_extension": ".jl",
+   "mimetype": "application/julia",
+   "name": "julia",
+   "version": "1.2.0"
+  },
+  "widgets": {
+   "application/vnd.jupyter.widget-state+json": {
+    "state": {},
+    "version_major": 1,
+    "version_minor": 0
+   }
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}