{"version":"1.0","provider_name":"Imperial College Video Archive Blog","provider_url":"https:\/\/blogs.imperial.ac.uk\/videoarchive","author_name":"Colin Grimshaw","author_url":"https:\/\/blogs.imperial.ac.uk\/videoarchive\/author\/cgr\/","title":"Commemoration Day - Imperial College Video Archive Blog","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"zn3m9vDmnG\"><a href=\"https:\/\/blogs.imperial.ac.uk\/videoarchive\/commemoration-day\/\">Commemoration Day<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blogs.imperial.ac.uk\/videoarchive\/commemoration-day\/embed\/#?secret=zn3m9vDmnG\" width=\"600\" height=\"338\" title=\"&#8220;Commemoration Day&#8221; &#8212; Imperial College Video Archive Blog\" data-secret=\"zn3m9vDmnG\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/blogs.imperial.ac.uk\/videoarchive\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"As we celebrate yet another Commemoration Day at the Royal Albert Hall I thought the time was right to bring you the few recordings we have from earlier years. At the end, I\u2019ll mention technical challenges involved with the transfer of the first two recordings onto modern formats.","thumbnail_url":"https:\/\/blogs.imperial.ac.uk\/videoarchive\/files\/2009\/10\/turntable.jpg"}