diff --git a/front/package-lock.json b/front/package-lock.json
index dbaaa16..415e910 100644
--- a/front/package-lock.json
+++ b/front/package-lock.json
@@ -7235,9 +7235,9 @@
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "decode-uri-component": {
-      "version": "0.2.0",
-      "resolved": "http://nexus.livingobjects.com/repository/npm-all/decode-uri-component/-/decode-uri-component-0.2.0.tgz",
-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/decode-uri-component/-/decode-uri-component-0.2.2.tgz",
+      "integrity": "sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==",
       "dev": true
     },
     "decompress": {
diff --git a/front/yarn.lock b/front/yarn.lock
index 93913a5..8daf71e 100644
--- a/front/yarn.lock
+++ b/front/yarn.lock
@@ -1239,6 +1239,11 @@
   dependencies:
     "@types/express" "*"
 
+"@types/dom-mediacapture-record@^1.0.7":
+  version "1.0.16"
+  resolved "https://registry.yarnpkg.com/@types/dom-mediacapture-record/-/dom-mediacapture-record-1.0.16.tgz#8a37eaa32c1810519843c6406325bb78618d1daf"
+  integrity sha512-GB4f8Es3aTEUjDT3ojQ8IWUhb6f5tlUoxvVw65ppkImG09QRRys6V6t56uLAynZCD3LisMQDuVObOKnnllDtCQ==
+
 "@types/eslint-visitor-keys@^1.0.0":
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#1ee30d79544ca84d68d4b3cdb0af4f205663dd2d"
@@ -1406,6 +1411,11 @@
   resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-3.4.8.tgz#4ba887fcef88bd9a7515ca2de336d691e3e18318"
   integrity sha512-zHWce3allXWSmRx6/AGXKCtSOA7JjeWd2L3t4aHfysNk8mouQnWCocveaT7a4IEIlPVHp81jzlnknqTgCjCLXA==
 
+"@types/webaudioapi@^0.0.27":
+  version "0.0.27"
+  resolved "https://registry.yarnpkg.com/@types/webaudioapi/-/webaudioapi-0.0.27.tgz#8a3f98eaa07cb577be2dae22311d37c3b545f74f"
+  integrity sha512-UWVaT2JkjAMU0x9BHWE8Lm4cFfVAzd5Av1v+b7phOXBY047prADh/dz+VW5SG0CxVutcE7DXtR9rTKFq76ODaQ==
+
 "@types/webpack-env@^1.15.1":
   version "1.15.1"
   resolved "https://registry.yarnpkg.com/@types/webpack-env/-/webpack-env-1.15.1.tgz#c8e84705e08eed430b5e15b39c65b0944e4d1422"
@@ -4382,6 +4392,147 @@ cyclist@^1.0.1:
   resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-1.0.1.tgz#596e9698fd0c80e12038c2b82d6eb1b35b6224d9"
   integrity sha1-WW6WmP0MgOEgOMK4LW6xs1tiJNk=
 
+"d3-array@1 - 3", "d3-array@2 - 3", "d3-array@2.10.0 - 3":
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/d3-array/-/d3-array-3.2.3.tgz#39f1f4954e4a09ff69ac597c2d61906b04e84740"
+  integrity sha512-JRHwbQQ84XuAESWhvIPaUV4/1UYTBOLiOPGWqgFDHZS1D5QN9c57FbH3QpEnQMYiOXNzKUQyGTZf+EVO7RT5TQ==
+  dependencies:
+    internmap "1 - 2"
+
+"d3-axis@1 - 3":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-axis/-/d3-axis-3.0.0.tgz#c42a4a13e8131d637b745fc2973824cfeaf93322"
+  integrity sha512-IH5tgjV4jE/GhHkRV0HiVYPDtvfjHQlQfJHs0usq7M30XcSBvOotpmH1IgkcXsO/5gEQZD43B//fc7SRT5S+xw==
+
+"d3-brush@2 - 3":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-brush/-/d3-brush-3.0.0.tgz#6f767c4ed8dcb79de7ede3e1c0f89e63ef64d31c"
+  integrity sha512-ALnjWlVYkXsVIGlOsuWH1+3udkYFI48Ljihfnh8FZPF2QS9o+PzGLBslO0PjzVoHLZ2KCVgAM8NVkXPJB2aNnQ==
+  dependencies:
+    d3-dispatch "1 - 3"
+    d3-drag "2 - 3"
+    d3-interpolate "1 - 3"
+    d3-selection "3"
+    d3-transition "3"
+
+d3-collection@^1.0.4:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/d3-collection/-/d3-collection-1.0.7.tgz#349bd2aa9977db071091c13144d5e4f16b5b310e"
+  integrity sha512-ii0/r5f4sjKNTfh84Di+DpztYwqKhEyUlKoPrzUFfeSkWxjW49xU2QzO9qrPrNkpdI0XJkfzvmTu8V2Zylln6A==
+
+d3-color-legend@1:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/d3-color-legend/-/d3-color-legend-1.4.1.tgz#0e569b1536b453a6d0db9e9786ebde3e98139768"
+  integrity sha512-3yypvVkxAr8HVS+i1r+KInPKV3fkdYpXvqqjubX8OSrESn7TgzrkiZslJdCmPRN/o/Th5nzV4wjIy9JlHYL8eQ==
+  dependencies:
+    d3-selection "2 - 3"
+    kapsule "^1.14"
+    svg-text-fit "^1.2"
+    svg-utils "^1.3"
+    tinycolor2 "^1.6.0"
+
+"d3-color@1 - 3":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-color/-/d3-color-3.1.0.tgz#395b2833dfac71507f12ac2f7af23bf819de24e2"
+  integrity sha512-zg/chbXyeBtMQ1LbD/WSoW2DpC3I0mpmPdW+ynRTj/x2DAWYrIY7qeZIHidozwV24m4iavr15lNwIwLxRmOxhA==
+
+"d3-dispatch@1 - 3":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-dispatch/-/d3-dispatch-3.0.1.tgz#5fc75284e9c2375c36c839411a0cf550cbfc4d5e"
+  integrity sha512-rzUyPU/S7rwUflMyLc1ETDeBj0NRuHKKAcvukozwhshr6g6c5d8zh4c2gQjY2bZ0dXeGLWc1PF174P2tVvKhfg==
+
+"d3-drag@2 - 3":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-drag/-/d3-drag-3.0.0.tgz#994aae9cd23c719f53b5e10e3a0a6108c69607ba"
+  integrity sha512-pWbUJLdETVA8lQNJecMxoXfH6x+mO2UQo8rSmZ+QqxcbyA3hfeprFgIT//HW2nlHChWeIIMwS2Fq+gEARkhTkg==
+  dependencies:
+    d3-dispatch "1 - 3"
+    d3-selection "3"
+
+"d3-ease@1 - 3":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-ease/-/d3-ease-3.0.1.tgz#9658ac38a2140d59d346160f1f6c30fda0bd12f4"
+  integrity sha512-wR/XK3D3XcLIZwpbvQwQ5fK+8Ykds1ip7A2Txe0yxncXSdq1L9skcG7blcedkOX+ZcgxGAmLX1FrRGbADwzi0w==
+
+"d3-format@1 - 3":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-format/-/d3-format-3.1.0.tgz#9260e23a28ea5cb109e93b21a06e24e2ebd55641"
+  integrity sha512-YyUI6AEuY/Wpt8KWLgZHsIU86atmikuoOmCfommt0LYHiQSPjvX2AcFc38PX0CBpr2RCyZhjex+NS/LPOv6YqA==
+
+"d3-interpolate@1 - 3", "d3-interpolate@1.2.0 - 3":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-interpolate/-/d3-interpolate-3.0.1.tgz#3c47aa5b32c5b3dfb56ef3fd4342078a632b400d"
+  integrity sha512-3bYs1rOD33uo8aqJfKP3JWPAibgw8Zm2+L9vBKEHJ2Rg+viTR7o5Mmv5mZcieN+FRYaAOWX5SJATX6k1PWz72g==
+  dependencies:
+    d3-color "1 - 3"
+
+"d3-scale-chromatic@1 - 3":
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-scale-chromatic/-/d3-scale-chromatic-3.0.0.tgz#15b4ceb8ca2bb0dcb6d1a641ee03d59c3b62376a"
+  integrity sha512-Lx9thtxAKrO2Pq6OO2Ua474opeziKr279P/TKZsMAhYyNDD3EnCffdbgeSYN5O7m2ByQsxtuP2CSDczNUIZ22g==
+  dependencies:
+    d3-color "1 - 3"
+    d3-interpolate "1 - 3"
+
+"d3-scale@1 - 4":
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/d3-scale/-/d3-scale-4.0.2.tgz#82b38e8e8ff7080764f8dcec77bd4be393689396"
+  integrity sha512-GZW464g1SH7ag3Y7hXjf8RoUuAFIqklOAq3MRl4OaWabTFJY9PN/E1YklhXLh+OQ3fM9yS2nOkCoS+WLZ6kvxQ==
+  dependencies:
+    d3-array "2.10.0 - 3"
+    d3-format "1 - 3"
+    d3-interpolate "1.2.0 - 3"
+    d3-time "2.1.1 - 3"
+    d3-time-format "2 - 4"
+
+"d3-selection@2 - 3", d3-selection@3:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/d3-selection/-/d3-selection-3.0.0.tgz#c25338207efa72cc5b9bd1458a1a41901f1e1b31"
+  integrity sha512-fmTRWbNMmsmWq6xJV8D19U/gw/bwrHfNXxrIN+HfZgnzqTHp9jOmKMhsTUjXOJnZOdZY9Q28y4yebKzqDKlxlQ==
+
+d3-selection@^1.3.0:
+  version "1.4.2"
+  resolved "https://registry.yarnpkg.com/d3-selection/-/d3-selection-1.4.2.tgz#dcaa49522c0dbf32d6c1858afc26b6094555bc5c"
+  integrity sha512-SJ0BqYihzOjDnnlfyeHT0e30k0K1+5sR3d5fNueCNeuhZTnGw4M4o8mqJchSwgKMXCNFo+e2VTChiSJ0vYtXkg==
+
+"d3-time-format@1 - 4", "d3-time-format@2 - 4":
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/d3-time-format/-/d3-time-format-4.1.0.tgz#7ab5257a5041d11ecb4fe70a5c7d16a195bb408a"
+  integrity sha512-dJxPBlzC7NugB2PDLwo9Q8JiTR3M3e4/XANkreKSUxF8vvXKqm1Yfq4Q5dl8budlunRVlUUaDUgFt7eA8D6NLg==
+  dependencies:
+    d3-time "1 - 3"
+
+"d3-time@1 - 3", "d3-time@2.1.1 - 3":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/d3-time/-/d3-time-3.1.0.tgz#9310db56e992e3c0175e1ef385e545e48a9bb5c7"
+  integrity sha512-VqKjzBLejbSMT4IgbmVgDjpkYrNWUYJnbCGo874u7MMKIWsILRX+OpX/gTk8MqjpT1A/c6HY2dCA77ZN0lkQ2Q==
+  dependencies:
+    d3-array "2 - 3"
+
+"d3-timer@1 - 3":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-timer/-/d3-timer-3.0.1.tgz#6284d2a2708285b1abb7e201eda4380af35e63b0"
+  integrity sha512-ndfJ/JxxMd3nw31uyKoY2naivF+r29V+Lc0svZxe1JvvIRmi8hUsrMvdOwgS1o6uBHmiz91geQ0ylPP0aj1VUA==
+
+d3-tip@^0.9:
+  version "0.9.1"
+  resolved "https://registry.yarnpkg.com/d3-tip/-/d3-tip-0.9.1.tgz#84e6d331c4e6650d80c5228a07e41820609ab64b"
+  integrity sha512-EVBfG9d+HnjIoyVXfhpytWxlF59JaobwizqMX9EBXtsFmJytjwHeYiUs74ldHQjE7S9vzfKTx2LCtvUrIbuFYg==
+  dependencies:
+    d3-collection "^1.0.4"
+    d3-selection "^1.3.0"
+
+d3-transition@3:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/d3-transition/-/d3-transition-3.0.1.tgz#6869fdde1448868077fdd5989200cb61b2a1645f"
+  integrity sha512-ApKvfjsSR6tg06xrL434C0WydLr7JewBB3V+/39RMHsaXTOG0zmt/OAXeng5M5LBm0ojmxJrpomQVZ1aPvBL4w==
+  dependencies:
+    d3-color "1 - 3"
+    d3-dispatch "1 - 3"
+    d3-ease "1 - 3"
+    d3-interpolate "1 - 3"
+    d3-timer "1 - 3"
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -4433,9 +4584,9 @@ decamelize@^1.1.1, decamelize@^1.1.2, decamelize@^1.2.0:
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
 decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
-  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
+  integrity sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==
 
 decompress-response@^4.2.0:
   version "4.2.1"
@@ -6830,6 +6981,11 @@ internal-ip@^4.3.0:
     default-gateway "^4.2.0"
     ipaddr.js "^1.9.0"
 
+"internmap@1 - 2":
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/internmap/-/internmap-2.0.3.tgz#6685f23755e43c524e251d29cbc97248e3061009"
+  integrity sha512-5Hh7Y1wQbvY5ooGgPbDaL5iYLAPzMTUrjMulskHLH6wnv/A+1q5rgEaiuqEjB+oxGXIVZs1FF+R/KPN3ZSQYYg==
+
 interpret@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
@@ -7452,6 +7608,13 @@ jsqr@^1.2.0:
   resolved "https://registry.yarnpkg.com/jsqr/-/jsqr-1.2.0.tgz#f93fc65fa7d1ded78b1bcb020fa044352b04261a"
   integrity sha512-wKcQS9QC2VHGk7aphWCp1RrFyC0CM6fMgC5prZZ2KV/Lk6OKNoCod9IR6bao+yx3KPY0gZFC5dc+h+KFzCI0Wg==
 
+kapsule@^1.14:
+  version "1.14.2"
+  resolved "https://registry.yarnpkg.com/kapsule/-/kapsule-1.14.2.tgz#07528c2e83b16ec6152d35897b9eb82ce9e5bce6"
+  integrity sha512-6ROjWt7DHJ6pBv8RqpcP5uhP7+IgoaF5XavzcRU0U1/5wT/dZgBDNPrdZMNXaWyWLZvAdJ/ONuVRW0Dr9NbLkA==
+  dependencies:
+    lodash-es "4"
+
 killable@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/killable/-/killable-1.0.1.tgz#4c8ce441187a061c7474fb87ca08e2a638194892"
@@ -7673,6 +7836,11 @@ locate-path@^5.0.0:
   dependencies:
     p-locate "^4.1.0"
 
+lodash-es@4:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
+
 lodash._reinterpolate@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
@@ -11168,6 +11336,23 @@ svg-tags@^1.0.0:
   resolved "https://registry.yarnpkg.com/svg-tags/-/svg-tags-1.0.0.tgz#58f71cee3bd519b59d4b2a843b6c7de64ac04764"
   integrity sha1-WPcc7jvVGbWdSyqEO2x95krAR2Q=
 
+svg-text-fit@^1.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/svg-text-fit/-/svg-text-fit-1.2.1.tgz#486dac9054d96cc7a059197d1828ad19700af1da"
+  integrity sha512-QDs1SIDdiD5xah1ic8XvYCKLoDeq+YSbFbE4ReCNw9jBezXKAedDg0Mr8Rj7HZ6qRmO+C378JQ8enUnYgFs2sA==
+  dependencies:
+    kapsule "^1.14"
+
+svg-utils@^1.3:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/svg-utils/-/svg-utils-1.3.1.tgz#1683da3d302ceec8f2b3a04379ef56561859e496"
+  integrity sha512-ljuVBX7TovEtX8E0IE3dXD5AH+AMc8u5MQkmflVm9zDp0E4cz/F7WA6yhMW3qxribHmobWDbwwuLsHIAPi5NYg==
+  dependencies:
+    d3-array "1 - 3"
+    d3-scale "1 - 4"
+    d3-selection "2 - 3"
+    kapsule "^1.14"
+
 svgo@^1.0.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-1.3.2.tgz#b6dc511c063346c9e415b81e43401145b96d4167"
@@ -11381,6 +11566,24 @@ timed-out@^4.0.0:
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-4.0.1.tgz#f32eacac5a175bea25d7fab565ab3ed8741ef56f"
   integrity sha1-8y6srFoXW+ol1/q1Zas+2HQe9W8=
 
+timelines-chart@^2.11.1:
+  version "2.12.1"
+  resolved "https://registry.yarnpkg.com/timelines-chart/-/timelines-chart-2.12.1.tgz#74a6320108fbd2ec0b6da101a91a92de1cb9c177"
+  integrity sha512-eOKalhbUxqwnumSjkfPa7Wz6CNvp8CN2jRwVmahRTkjzrDa9+IUjRyngvMGmHijV5dgke0m+smw77351uESyvA==
+  dependencies:
+    d3-array "1 - 3"
+    d3-axis "1 - 3"
+    d3-brush "2 - 3"
+    d3-color-legend "1"
+    d3-scale "1 - 4"
+    d3-scale-chromatic "1 - 3"
+    d3-selection "2 - 3"
+    d3-time-format "1 - 4"
+    d3-tip "^0.9"
+    kapsule "^1.14"
+    svg-text-fit "^1.2"
+    svg-utils "^1.3"
+
 timers-browserify@^2.0.4:
   version "2.0.11"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.11.tgz#800b1f3eee272e5bc53ee465a04d0e804c31211f"
@@ -11398,6 +11601,11 @@ tiny-emitter@^2.0.0:
   resolved "https://registry.yarnpkg.com/tiny-emitter/-/tiny-emitter-2.1.0.tgz#1d1a56edfc51c43e863cbb5382a72330e3555423"
   integrity sha512-NB6Dk1A9xgQPMoGqC5CVXn123gWyte215ONT5Pp5a0yt4nlEoO1ZWeCwpncaekPHXO60i47ihFnZPiRPjRMq4Q==
 
+tinycolor2@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/tinycolor2/-/tinycolor2-1.6.0.tgz#f98007460169b0263b97072c5ae92484ce02d09e"
+  integrity sha512-XPaBkWQJdsf3pLKJV9p4qN/S+fm2Oj8AIPo1BTUhg5oxkvm9+SVEGFdhyOz7tTdUTfvxMiAs4sp6/eZO2Ew+pw==
+
 title-case@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/title-case/-/title-case-2.1.1.tgz#3e127216da58d2bc5becf137ab91dae3a7cd8faa"
@@ -12175,6 +12383,11 @@ watchpack@^1.6.0:
     graceful-fs "^4.1.2"
     neo-async "^2.5.0"
 
+wavesurfer.js@^4.4.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/wavesurfer.js/-/wavesurfer.js-4.6.0.tgz#3dc26748b2200978afe802582a2085f46eb0ce0d"
+  integrity sha512-+nn6VD86pTtRu9leVNXoIGOCMJyaTNsKNy9v+SfUsYo+SxLCQvEzrZZ/eKMImqspsk+BX1V1xlY4FRkHswu3fA==
+
 wbuf@^1.1.0, wbuf@^1.7.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.3.tgz#c1d8d149316d3ea852848895cb6a0bfe887b87df"