1.0ITUhttps://www.itu.int/hubAngela Smithhttps://www.itu.int/hub/author/angela-smithitu-int/Television at 100 – still evolving - ITUrich600338<blockquote class="wp-embedded-content" data-secret="4sTYQlng4h"><a href="https://www.itu.int/hub/2025/11/television-at-100-still-evolving/">Television at 100 – still evolving</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.itu.int/hub/2025/11/television-at-100-still-evolving/embed/#?secret=4sTYQlng4h" width="600" height="338" title="“Television at 100 – still evolving” — ITU" data-secret="4sTYQlng4h" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/* <![CDATA[ */
/*! This file is auto-generated */
!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);
//# sourceURL=https://www.itu.int/hub/wp-includes/js/wp-embed.min.js
/* ]]> */
</script>
https://www.itu.int/hub/wp-content/uploads/sites/4/2025/11/television-blog-16x9-1.jpg1019573By Paolo Lazzarini, Chair, Study Group 6 (Radiocommunication broadcasting), Amir Nafez, Chair, Working Party 6A (Terrestrial broadcasting delivery), Paul Gardiner, Chair, Working Party 6B (Broadcast service assembly and access), and Andy Quested, Chair, Working Party 6C (Programme production and quality assessment), International Telecommunication Union A century of television John Logie Baird transmitted the first recognizable […]