Video Format for Live Streaming
If you believe in the energy of live streaming to develop your business and are wondering which video format would work finest for broadcasting your subsequent live occasion, you have got come to the suitable place. This web blog will enable you select the right video format for seamless live video streaming of your live occasion regardless of measurement.
There are basically two pointers on the subject of selecting one of the best video formats suitable for live streaming, specifically – playback units and stay streaming protocols. But first, allow us to look nearer on the idea of video formats.
What are Video Formats?
Video format is a kind of a file format, or in different phrases, a container for storing compressed audio and video information, which generally contains subtitles as effectively.
Generally talking, essentially the most used video container codecs embody MP4, AVI, FLV, WMV, MOV, and MPEG. While MP4 is best suited for streaming to on-line video platforms, HTML5 works best when it’s important to embed a video by yourself website.
Why do Video Container Formats Matter?
Let’s get this straight- the selection of a container format is equally important because the compression requirements current contained in the video format. This is as a result of a compression standard when paired with an incompatible video container can add the surplus expense to your video streaming workflow.
Take into consideration the AVI video container format which has over 15 totally different compression requirements. Also, there exist each Type 1 and Type 2 AVI containers whereby open-sourced modifying options principally go for Type 2 whereas non-linear ones go for Type 1.
Confusing, isn’t it? Well, we’re right here to clear all of your confusions. To provide help to determine, let’s leap straight into the totally different parameters for selecting the very best video format for reside streaming.
Playback devices play an enormous position in relation to selecting the best video format for live streaming. You have to think about the playback devices of your viewers watching your live stream. For example- if your viewers mostly use iPhones or iPads to watch your streams, it’s best to know that these playback devices only support HTTP delivery.
Live Streaming Protocols
The most important parameter for understanding the most appropriate video format for live streaming is to know the workflow of the a number of live streaming protocols. Yes, it’s essential to know how these live streaming protocols have an effect on the selection of format.
RTMP (Real-Time Messaging Protocol)
Created by Macromedia, RTMP had a number of benefits. However, the principle advantage of RTMP is the truth that it could possibly present low latency delivery through TCP, which is a much less fashionable and less-aggressive internet protocol requiring a tiny quantity of latency whereby each the sender and receiver can confirm when the video has been delivered.
Although years after Adobe deprecated Flash, RTMP continues to be extensively used at the moment and it has been superior to deal with content-based video codecs similar to AVC or H.264. As recommended by its identify, RTMP boasts of real-time delivery as a specialized protocol.
RTMP works like this- it sends a single low-latency stream to a bodily media server or cloud-based one, the place it’s transcoded and repackaged for consumption as a part of an HTTP delivery workflow.
A comparatively new and superior protocol more and more changing into a well-liked selection is WebRTC the place RTC stands for Real-Time Communication. Designed to work natively in an internet browser, WebRTC ousts the requirement for a plug-in structure like Flash.
The finest part- WebRTC doesn’t use a container format in any respect. It as a substitute streams utilizing the connection between browsers by encoding knowledge straight from one peer to a different.
HTTP Live Streaming (HLS)
Released in 2009 by Apple, HLS has since develop into probably the most widely-used streaming protocol. Initially, HLS was solely supported by iOS. However, HLS has now develop into a proprietary format and nearly each system helps it. HLS relies on fragmenting MP4 video information into small segments. These fragmented MP4 video information usually use AAC audio codecs and AVC or H.264 video codecs.
MPEG-DASH is the newest and by far, the best different of HLS. Created by Moving Picture Experts Group between 2009 and 2012, it makes use of customary HTTP web servers like HLS. DASH is short for Dynamic Adaptive Streaming over HTTP which implies that like HLS, it’s an adaptive bitrate protocol. DASH is codec agnostic and helps nearly each video codec out there together with H.264, H.265/HEVC, VP9/10, and WebM.
We have covered a couple of areas including live streaming protocols and playback devices and the frequent intersection point brings our consideration to one video format- variations of the MP4 file format.
Most playback devices and platforms support MP4, making it the common video format. Additionally, MP4 can retain high video quality while maintaining comparatively small file sizes. And, whereas the MP4 format will deal with HEVC (often known as H.265), the current main use for MP4 information is AVC video and AAC audio tracks.
We’d like to set you up for a 14-day Free trial to discover extra reside streaming opportunities!
Check Our FAQ Page.