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Video Encoder does not reduce video quality. On the contrary, it is a professional video data encoding device. Its core function is to use advanced H.264/H.265 encoding algorithms to efficiently encode the video content input by high-definition cameras and other devices, to adapt to the data volume that the network can support, and to achieve the rapid dissemination of videos. With the rapid development of network audio and video transmission, Video Encoder has become increasingly important, providing crucial support for efficient transmission of network videos.
In the early days of the internet, uncompressed video data was large and could not be transmitted through the network. One minute of video could take up several Gs of space. In this case, the previous network transmission speed could not meet the demand for quickly displaying video content. Before the emergence of the H.264 algorithm, video dissemination usually relied on physical media such as CDs.
H.264 is an intra-frame coding algorithm that compresses individual frames (images) to reduce the size of a single frame and control the overall size of the video. Although this method retains more picture details, it has a lower overall compression rate. With technological advancements, H.265, an upgraded version of H.264, further improves compression efficiency and reduces bandwidth consumption. The latest H.266(VVC) achieves further improvements in compression efficiency.
Video Encoder usually adopts two main coding methods: intra-frame coding and inter-frame coding. Intra-frame coding compresses individual frames, preserving more picture details and is suitable for post-processing of videos. Inter-frame coding compresses based on the changes between frames, resulting in higher overall compression rates, but requires the device to calculate the next frame by comparing.
H.264 is currently one of the most widely used video encoding formats and has higher compression ratio than MPEG-2, making it widely applied. H.265, an upgraded version of H.264, has higher compression efficiency and lower bandwidth consumption. The latest H.266(VVC) further improves compression efficiency.
With advancements in technology and network development, fiber optics, 5G, Wi-Fi 6, etc. provide networks with greater bandwidth.Video Encoder not only does not reduce video quality, it continuously evolves to meet the growing demands. This evolution ensures that users can easily access high-quality video content, while providing content providers with greater transmission capacity.
During the video transmission process, the encoder is a key component of the entire video solution. Its continuous evolution and innovation ensure the preservation of video quality and drive the development of the entire industry.
