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The Basics Of Video Encoding

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The Basics Of Video Encoding

Online video streaming has a lot to do with the speed and quality of the video. It is not an easy task to deliver the content seamlessly. It does require technology to give you the content at the time of the request without any buffering. Video technology has evolved way too much in the past few years. Increased internet penetration and decreased cost of electronic devices are among the factors that lead to this development.

Videos are quite heavy in size. It is made of a large collection of still images. These bulky files are difficult to share seamlessly. Video encoding has come up as a solution to solve the issue of transferring heavy files. In layman’s terms, video encoding helps in converting the RAW video file to a streamable one. These files can be stored and transferred from one place to another. 

What Does Encoding Mean?

All of us are aware that original video files are quite heavy in size. This happens since the video is a collection of still images. And for a recorded video of 25 frames per second, there are 25 photos per second. This in short means 1500 photos per second which will be too heavy to be delivered in 1 minute. 

The most appropriate solution in this scenario is to compress the file which may lead to quality degradation of the video file. Video encoding helps in compressing the file size without compromising the quality of the video. In short, video encoding helps in compressing mammoth files into a more manageable format. 

What Does Decoding Mean? 

Decoding is a crucial part of video encoding yet is equally the opposite of it. It is the process of opening the data file that has been compressed by encoding. All in all, it unpacks the data that was compressed at the time of encoding for transmission.

For online video streaming, the role of decoding is served by the video player. And the quality and efficiency of the streaming video depend largely on the video player. Encoders and decoders work together to stream the content over the internet. 

Video Compression And It’s Working

Video compression becomes important to reduce the size of the video file. Encoding helps in making that possible. This is all done by segregating which frames are essential and which are not. In layman’s terms, if some frames are similar to each other, getting rid of one frame can save space and speed up the delivery of the content. Compression of a video is done using codecs. It is an amalgamation of coder and decoder that helps in reducing the size of the video files and makes them more manageable to deliver over the internet.

Video encoding has made seamless delivery of on-demand content and real-time streaming possible. Without codecs, it would be a task to deliver the huge video files over the online streaming platform.

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Google Releases Lyra V2: A New Audio Codec

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Lyra V2- A New Audio Codec

Google has recently released a new codec named Lyra V2, a better, faster, and more versatile speech Codec. The architecture of the new Lyra V2 brings scalable bitrate capabilities, provides better performance, provides wider platform support and generates a higher audio quality. With the release of Lyra V2, Google is trying to evolve with the community. 

The Architecture Of Lyra V2

The latest release of the Lyra V2 is based on SoundStream, an end-to-end neutral audio codec. The architecture of the latest audio codec includes a residual vector quantizer Or RVQ which is present before and after the channel of transmission. RVQ quantizes the encoded content into a bit stream and thereafter reconstructs it at the decoder side. 

This integration of RVQ into the codec infrastructure allows changing the bitrate of Lyra V2 at any time just by selecting the number of quantizers to use. To generate higher-quality audio more quantizers are used. This codec uses three different bitrates which include 3.2 kbps, 6 kbps, and 9.2 kbps which enables the developers to choose bitrates suitable for network conditions and other requirements. With this new architecture, the delay in the audio delivery is reduced from 100 ms from the previous version. It is most comparable to the most used codec Opus which has an approximate delay of 26.5 ms, 46.5 ms, and 66.5 ms.

This latest audio codec released by Google has the ability to encode and decode audio by 5x than the previous version. Apart from the speed and performance, the quality of the audio generated by this new audio codec has also improved. This model of V2 is exported in TensorFlow Lite. All this makes V2 a great alternative to other state-of-the-art audio codecs. It has the ability to be connected with more devices in bandwidth-constrained environments, making it an appropriate choice for higher audio quality requirements.

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UniqCast IPTV/OTT/DVB Platform is now available in the Cloud

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UniqCast, the market leader in providing end-to-end IPTV/OTT/DVB solutions has announced its availability on Cloud. The brand provides solutions for OTT providers, ISPs, Telcos, DVB, Mobile, broadcasters, and content owners. With its cloud offerings, UniqCast allows content providers and operators (specifically in EMEA, LATAM, and APAC regions) to launch their video streaming services quickly without any up-front costs. UniqCast provides its services in the PaaS model which includes content management, CDN, transcoding, subscriber, and client applications. It has brought equally mature technology as the solution widely used around the world by operators.

The core benefits of UniqCast include premium UX for applications, the option of configuring UI, cloud or private CDN and an advanced business model. The central goal of this is to make the technology more accessible for every operator and content provider and to provide a premium user experience to all the viewers.

UniqCast cloud includes streaming and CDN capabilities which allows streaming from the cloud or other hybrid cloud models. The key differentiator of UniqCast from others is its licensing which allows operators to get lower bandwidth costs. The solution is designed to provide the minimum TCO (total cost of ownership) for service providers.

Top highlights of UniqCast Cloud include:

  • No upfront cost
  • Launch in days
  • Lower bandwidth cost
  • Multiscreen app with quality user experience
  • Anti-churn feature
  • Flexible monetization option 
  • Live and cloud transcoding from cloud/on-site
  • Multi DRM protection for content
  • Option of configuring the premium UX
  • Support for IPTV, DVB and OTT services
  • Streaming option from the cloud or hybrid private CDN

With this step, UniqCast is trying to make the deployment of new services or replacement of the existing ones quickly with the least investment and no risk. The availability to launch multi-screen applications in a day with a robust backend and anti-churn quality will be helpful for video streaming services to decrease churn and increase subscribers instantly, says Darko Robič, CEO at UniqCast.

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Apple iPhone 14 launch event: Place, Time and Expectations

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Apple iPhone 14 series launch 2022

The wait for the latest Apple iPhone 14 is almost over. The Apple ‘Far Out’ event is going to be held tomorrow (September 7). The main highlight of the event will be the Apple iPhone 14 but it will probably not end there. Apple is expected to introduce a range of products in its upcoming event which includes the next-generation Apple Watch- Series 8, 8 Pro, and Apple Watch SE 2. 

About the event

Apple is going to launch a series of products where the main focus and highlight will be the Apple iPhone 14 series. The event will be held tomorrow at 10:00 AM PT (10.30 pm IST). The event will be held at Apple Park, Cupertino. It will be the first in-person event after the pandemic. The ‘Far Out’ event will be live streamed on selected platforms which include Apple’s official website, companies official YouTube channel, and the Apple TV app. As an option available on the company’s website, users can add the event to their calendars as well. To proceed further, you can visit the official website: https://www.apple.com/

What to expect 

The event is going to be highlighted with the Apple iPhone 14 series but that is not the end of the event. The company may launch a series of products including four variants of the iPhone 14 (most likely) which include the iPhone 14, iPhone 14 Plus, iPhone 14 Pro, and iPhone 14 Pro Max. This time, Apple is going to skip the mini variant as launched in iPhone 12 and 13.

Apart from the major highlights i.e. iPhone 14, the company is rumored to launch the Apple Watch series which includes Watch series 8, 8 Pro, and SE 2. The 8 Pro Watch is rumored to offer improved fitness and health features, advanced sensors, durability, and long battery life. Yet all the products may or may not get launched tomorrow. The wait is going to end soon, till then we will keep you informed.

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