{"id":7785,"date":"2020-09-12T17:24:10","date_gmt":"2020-09-12T14:24:10","guid":{"rendered":"http:\/\/trueconf.com\/blog\/?p=7785"},"modified":"2025-10-03T14:37:17","modified_gmt":"2025-10-03T11:37:17","slug":"audio-codecs-used-trueconf-software","status":"publish","type":"post","link":"https:\/\/trueconf.com/blog\/knowledge-base\/audio-codecs-used-trueconf-software","title":{"rendered":"Which codecs are used in TrueConf video conferencing software?"},"content":{"rendered":"<p style=\"text-align: justify;\">TrueConf Server supports a variety of codecs for different <a href=\"https:\/\/trueconf.com\/what-is-video-conferencing.html\" target=\"_blank\" rel=\"noopener noreferrer\">video conferencing<\/a> scenarios.<\/p>\n<p>A <b>codec<\/b> is a software implementation of a standardized mathematical algorithm for data or signal compression and decompression. Codecs are widely used for audio and video processing.<br \/>\n<!--more--><\/p>\n<h2 style=\"text-align: justify;\">Codecs in TrueConf client applications<\/h2>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/trueconf.com\/blog\/wiki\/opus-codec\" target=\"_blank\" rel=\"noopener\">Opus Wideband HD Audio<\/a> and <a href=\"https:\/\/trueconf.com\/blog\/wiki\/vp8-video-codec\" target=\"_blank\" rel=\"noopener\">VP8 SVC<\/a> codecs (for audio and video data respectively)\u00a0 are used for video calls and conferences in <a href=\"\/downloads\">TrueConf client applications<\/a>. These codecs provide high quality of connection and audio transmission even in complicated network conditions.<\/p>\n<p style=\"text-align: justify;\"><b>Opus Wideband HD Audio<\/b> codec is considered to be the best scalable audio codec for VoIP, featuring excellent audio quality, high performance and minimal encoding delay.<\/p>\n<p style=\"text-align: justify;\"><b>VP8 SVC <\/b>is an improved version of VP8 codec, adapted to <a href=\"https:\/\/trueconf.com\/features\/core\/scalable-video-coding.html\" target=\"_blank\" rel=\"noopener noreferrer\">SVC technology<\/a> by TrueConf experts. VP8 codec is distributed under a royalty-free public license is notable for its speed of decoding, high degree of compression and flexibility.<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/trueconf.com\/blog\/wp-content\/uploads\/2018\/01\/svc.jpg\" data-rel=\"lightbox-gallery-xVFKG7GD\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-13751\" src=\"https:\/\/trueconf.com\/blog\/wp-content\/uploads\/2018\/01\/svc.jpg\" alt=\"svc\" width=\"650\" height=\"381\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/trueconf.com/blog\/wp-content\/uploads\/2018\/01\/svc.jpg 650w, https:\/\/trueconf.com/blog\/wp-content\/uploads\/2018\/01\/svc-290x170.jpg 290w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/a><\/p>\n<h2 style=\"text-align: justify;\">Codecs which are used in TrueConf solutions<\/h2>\n<p style=\"text-align: justify;\">In the table below, you can find codecs that are used for connection between TrueConf Server and <a href=\"https:\/\/trueconf.com\/features\/integration.html#multigateway\" target=\"_blank\" rel=\"noopener\">legacy video conferencing endpoints<\/a> (via <b>SIP\/H.323\/RTSP protocols<\/b>), as well as for streaming, recording\u00a0 and web conferencing:<\/p>\n<div class=\"scrolling-table__container\">\n<table class=\"scrolling-table\" style=\"width: 98.3652%; height: 984px;\">\n<tbody>\n<tr style=\"height: 24px;\">\n<td style=\"width: 33.8971%; height: 24px;\"><\/td>\n<td style=\"width: 33.2247%; text-align: center; height: 24px;\"><b>Audio codecs<br \/>\n<\/b><\/td>\n<td style=\"width: 31.6406%; text-align: center; height: 24px;\"><b>Video codecs<br \/>\n<\/b><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<th style=\"width: 98.7624%; text-align: center; height: 24px;\" colspan=\"3\"><b>During conferences <\/b><\/th>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 33.8971%; height: 24px; text-align: center;\"><span style=\"font-weight: 400;\">TrueConf client applications<br \/>\n<\/span><\/td>\n<td style=\"width: 33.2247%; height: 24px; text-align: center;\"><span style=\"font-weight: 400;\">Opus<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.711 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.722 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.722.1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.722.1C<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.723 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.728 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.729A<\/span><\/td>\n<td style=\"width: 31.6406%; height: 24px; text-align: center;\"><span style=\"font-weight: 400;\">VP8 SVC<\/span><br \/>\n<br \/>AV1<br \/>\n<br \/>\n<span style=\"font-weight: 400;\">H.264<\/span><\/td>\n<\/tr>\n<tr style=\"height: 136px;\">\n<td style=\"width: 33.8971%; height: 136px; text-align: center;\"><span style=\"font-weight: 400;\">WebRTC <\/span><\/td>\n<td style=\"width: 33.2247%; height: 136px; text-align: center;\"><span style=\"font-weight: 400;\">Opus <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.711<\/span><\/td>\n<td style=\"width: 31.6406%; height: 136px; text-align: center;\"><span style=\"font-weight: 400;\">VP8<\/span><br \/>\n<span style=\"font-weight: 400;\">H.264<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 98.7624%; text-align: center; height: 24px;\" colspan=\"3\"><b>For connecting to <\/b><b>legacy video conferencing endpoints<\/b><\/td>\n<\/tr>\n<tr style=\"height: 336px;\">\n<td style=\"width: 33.8971%; height: 336px; text-align: center;\"><span style=\"font-weight: 400;\">SIP \/ H.323 endpoints<\/span><\/td>\n<td style=\"width: 33.2247%; height: 336px; text-align: center;\"><span style=\"font-weight: 400;\">Speex <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.711 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.722 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.722.1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.722.1C<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.723 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.728 <\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.729A<\/span><\/td>\n<td style=\"width: 31.6406%; height: 336px; text-align: center;\">H.264 AVC<\/p>\n<p>H.264 SVC<\/p>\n<p>Microsoft\u00ae X-H264UC<\/p>\n<p>H.263<\/p>\n<p>H.261<\/td>\n<\/tr>\n<tr style=\"height: 96px;\">\n<td style=\"width: 33.8971%; height: 96px; text-align: center;\"><span style=\"font-weight: 400;\">RTSP-sources \u0438 IP-cameras <\/span><\/td>\n<td style=\"width: 33.2247%; height: 96px; text-align: center;\"><span style=\"font-weight: 400;\">MP3<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AAC<\/span><\/td>\n<td style=\"width: 31.6406%; height: 96px; text-align: center;\">H.264<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<th style=\"width: 98.7624%; text-align: center; height: 24px;\" colspan=\"3\"><b>For conference streaming<\/b><\/th>\n<\/tr>\n<tr style=\"height: 176px;\">\n<td style=\"width: 33.8971%; height: 176px; text-align: center;\"><span style=\"font-weight: 400;\">YouTube, Facebook, Wowza Streaming Cloud, Wowza Streaming Engine<\/span><b> <\/b><\/td>\n<td style=\"width: 33.2247%; height: 176px; text-align: center;\"><span style=\"font-weight: 400;\">MP3<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AAC <\/span><\/p>\n<p><span style=\"font-weight: 400;\">PCM<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G.711<\/span><\/td>\n<td style=\"width: 31.6406%; height: 176px; text-align: center;\"><span style=\"font-weight: 400;\">VP8<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H.264<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<th style=\"width: 98.7624%; text-align: center; height: 24px;\" colspan=\"3\"><b>For conference recording and storage <\/b><\/th>\n<\/tr>\n<tr style=\"height: 48px;\">\n<td style=\"width: 33.8971%; height: 48px; text-align: center;\"><span style=\"font-weight: 400;\">Available containers<\/span><strong><i> .mkv <\/i><\/strong><span style=\"font-weight: 400;\">\u0438 <strong>.<\/strong><\/span><strong><i>mp4<\/i><\/strong><\/td>\n<td style=\"width: 33.2247%; height: 48px; text-align: center;\"><span style=\"font-weight: 400;\">PCM<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AAC<\/span><\/td>\n<td style=\"width: 31.6406%; height: 48px; text-align: center;\"><span style=\"font-weight: 400;\"> VP8<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H.264<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>TrueConf Server supports a variety of codecs for different video conferencing scenarios. A codec is a software implementation of a standardized mathematical algorithm for data or signal compression and decompression. Codecs are widely used for audio and video processing.<\/p>\n","protected":false},"author":45,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[260],"tags":[188,231,191],"class_list":["post-7785","post","type-post","status-publish","format-standard","hentry","category-knowledge-base","tag-trueconf-solutions","tag-troubleshooting","tag-deployment","wpautop"],"_links":{"self":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts\/7785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/comments?post=7785"}],"version-history":[{"count":15,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts\/7785\/revisions"}],"predecessor-version":[{"id":39419,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/posts\/7785\/revisions\/39419"}],"wp:attachment":[{"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/media?parent=7785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/categories?post=7785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trueconf.com/blog\/wp-json\/wp\/v2\/tags?post=7785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}