Efficient Live Stream Solutions with Saigon Technology
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Efficient Live Stream Solutions with Saigon Technology

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In 2020, Live-streaming apps are more popular than ever - in other words, live-streaming apps are ‘booming’ and gradually occupying a high position in the hearts of users. In fact, video has become an important component of business communications, marketing, sales, business development, and more while the global trend is slowly shifting to a technological trend, whether in any field, live-streaming is also exploding.

The online Live-streaming industry has grown 99% between April 2019 and April 2020 and is expected to be valued at 184.27 billion USD by 2027. This number could be steadily growing this year due to the COVID-19 pandemic and the need to work from home. Just consider how many Zoom meetings you have attended since the beginning of this pandemic and the power of live video is limitless.

 

At Saigon Technology, clients have come to us for assistance in designing and building the most efficient live stream solutions to serve their own business purposes. And even though it is a process that contains many difficulties and challenges, we always try our best to bring software products that exceed clients’ expectations.

 

What Is Live Streaming?

Live-streaming refers to the medium of streaming in real-time to the viewer and can be done through a variety of mediums from social media to high tech and professional setups. Content can be streamed through a variety of apps like Facebook Live and YouTube, Broadcast Me, Periscope, StreamNow… 

This customer approach is becoming more and more popular as the world is also becoming more digital. Today's users prefer to watch videos of the latest events and products rather than reading an article about them. 

Besides, Live-streaming has an online storage feature that gives users the opportunity to watch something live, real-time without having to waste time during the day to go to the venue or have to meet in person. It could be an epic award show, a convention, or a popular music event.

Generally, Live-streaming helps businesses connect directly with audiences by interacting with them in real-time. Instead of traditionally watching and listening, you can allow your audience to engage in a form of interaction: through discussion in the comments feed on Twitter as an example, or interact with questions and answers directly, or reaction and comment in streaming apps.

 

How Does It Work?

Live-streaming has many benefits including audience engagement that is broader in both quantity and quality, video is available to anyone during and after the live stream. They increase the potential for future engagement because live video is readily available online for anyone to view in any location in the world.

Moreover, there's also no time limit for streaming, so you can stream for as long as you want, as long as you want. This helps to expand the audience, specifically those who want to watch the stream but are not in the same time zone as you because the live stream video is long so they can watch it at a suitable time as they like.

It can be understood that Live-streaming is splitting media files into frames, then sending these frames to the computer's cache and displaying the content in turn of each outcome. While the user is using data from these files, the frames of the other files continue to be downloaded.

  • Server component: Server will request a method to encode the input media data (audio/video), then segment that data into segments and save them as files.
  • Distribution component: A distribution system can be understood as a web server or a cluster of web caching systems (CDN) that provides media files & index files to the client via HTTP protocol.
  • Client Component: Client-side devices (mobile/desktop/browser) will read index files based on URLs identified by streams, Index files will specify the location of available media files. For the selected streams, the client will download each available media file, each containing a consecutive segment of the data stream. Once there is a sufficient amount of downloaded data, the client can view the content displayed from that data.

Advantages of Live-streaming

  • Easy, the simple operation does not need much equipment or skills to film, edit video.
  • Wide popularity, many users, large audience, lots of platforms that support live video streaming to choose from.
  • Video playback time of up to 4 hours, unable to pause like videos often makes users in the habit of lingering to watch all of the live streams, especially with attractive content that they do not want to miss.
  • Large, direct interaction, creating a good and very fast connection between streamers and viewers, especially beneficial for users live stream for sales, auctions, event hosting, or teaching-learning.

Disadvantages of Live-streaming

Technical errors, often with the transmitter or the network speed, can directly affect the live stream. Live-streaming application platforms can also experience errors, making it difficult for either broadcasters or viewers. The battery capacity of recording devices is also a limitation.

  • Many content risks or personal security. The content in the live stream is not edited or censored, so it may contain sensitive elements such as violence, sex, obscene language, and unethical behaviors. The safety of a video player is also not guaranteed as the live stream video may contain personal information, their location, and location.
  • When you are Live-streaming on Facebook or youtube, you need to pay attention to the issue of music copyright, if you live stream the event including copyrighted music after the live stream ends, Facebook will not allow you to save the video on the page. or even ban your Livestream right within 24H.

How our Saigon Technology team build the Live Stream Solutions

Bringing both the difficulties and efforts on the way to create a perfect product for customers, the Saigon Technology team has specific solutions to handling challenges and draws valuable experiences for a large number of upcoming projects.

Project challenges and how to overcome

During the process of receiving requests from customers and processing that request, our talented Developers at Saigon Technology also encounter many difficulties when performing the task. And one of the standout difficulties was that: the clients have changed their requirements frequently.

  • We have solved the problem by setting up weekly meetings to show the demo and refine the backlog in each meeting to always follow clients' thoughts and expectations.

In addition, our team also encountered some technical issues, such as:

  • Livestream connection stability
  • Stream is lagging
  • Stream has a black screen without content
  • Sound missing from the stream
  • Sound echoing/doubling

 

As a host, our clients want to be able to go Livestream via camera, share screen, play a background music file, play pre-uploaded video and the Livestream quality is 1080p so that we need to make sure the Livestream will never be interrupted. Understanding this, we have:

  • Using signal R to send to packet quickly between the client and the host
  • Allowing the host to rejoin when he/ she has internet problems or accidental clicks close the browser during a Livestream session
  • Showing notification to audiences when Livestream has a problem and allow the audience to rejoin the session seamlessly
  • Using agora.io with CDN to support a huge number of audiences

Main features 

Feature

Description

Real-time communication

With ultra-low latency, the audience can see and hear the host in real-time.

Interactive

co-hosting

The host invites the audience members or the audience members to apply to become a co-host. All audience members in the channel can see and hear the host and co-hosts interacting with each other in real-time.

Host seat management

A host seat is a seat in the interactive streaming room. An audience member who takes up a host seat can interact with the host. The host has the following control privileges over the co-hosts and host seats:

  • Invite a co-host: The host invites an audience member to become a co-host, who then can interact with the host.
  • Stop co-hosting: The host switches a co-host back to an audience member.
  • Mute a co-host: The host revokes a co-host's privilege of sending audio and video streams.
  • Unmute a co-host: The host restores a co-host's privilege of sending audio and video streams.
  • Close a host seat: The host closes a host seat, thus banning an audience member from applying for the seat.
  • Reopen a host seat: The host reopens a host seat, thus allowing an audience member to apply for the seat.

All users in the channel can see the state changes of each host seat in real-time.

Real-time messaging

The host, co-hosts, and the audience can chat with each other through text messages.

User status

The host, co-hosts, and the audience are notified when a user joins or leaves the channel.

Real-time quality statistics

Before joining a channel or during interactive streaming, all users can check the network quality in real-time.

Background music

For better interaction effects, the host and co-hosts can play background music when talking or singing.

Image enhancement

Basic image enhancement effects, including skin smoothening and cheek, blushing, help the host and co-hosts look better.

 

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