H.264、H.265 是什麼?高畫質和高傳輸效率的影音服務
H.264 and H.265: Achieving High Quality and Fast Transmission

H.264 and H.265: Achieving High Quality and Fast Transmission



In the fast-paced world of technology, 4K and 8K video qualities are rapidly becoming the norm. The H.264 and H.265 codecs are at the forefront of this revolution. This article demystifies these technologies, making them accessible to a wider audience, and sheds light on their usage in various devices and their projected future.

The Proliferation and Application of 4K and 8K Resolutions

4K resolution, offering a clearer and more detailed visual experience than traditional high definition (720p, 1080p), has been widely adopted in TVs, computer monitors, and even smartphones. 8K, as the successor of 4K, though not as widespread yet, demonstrates its potential with its astonishing resolution in high-end TVs and professional photography. These high-resolution formats bring images to life, almost giving the audience an immersive experience.

An Introduction to H.264 and H.265 Encoding Technologies

H.264 and H.265 are leading the charge in video encoding. H.264, also known as AVC (Advanced Video Coding), is an efficient compression technology that maintains high video quality at lower bitrates. H.265, or HEVC(High Efficiency Video Coding), takes this a step further, delivering superior compression without sacrificing quality. In essence, H.265 delivers equal or better quality than H.264 when compressing larger file sizes.

While H.264 handles most 4K content well, H.265's superior compression is invaluable for 8K content. It manages high-resolution content effectively, easing the demands on storage and bandwidth.

Application Scenarios of Encoding Technologies

Choosing between H.264 and H.265 video codec for 4K and 8K content involves several considerations. H.264 is popular in entry-level or mid-range devices due to its compatibility and lower processing needs. However, H.265 stands out in certain areas:

  1. For ultimate 4K and 8K experiences: H.265 is more efficient.
  2. For live streaming: H.265 ensures a superior experience with its low latency and high-quality output.

Future Trends of Encoding Technologies

In the rapidly expanding VR industry, innovations from key players like Meta Quest, Apple Vision Pro, and HTC Vive are driving the demand for better resolution and more engaging viewing experiences. Streaming videos at resolutions of 4K, 8K, and eventually 16K are set to slowly become a staple in both domestic and professional environments.

The role of advanced video encoding technology, such as H.265, is becoming crucial. Thanks to AI's involvement, we're on the verge of seeing smarter encoding methods that not only enhance compression efficiency but also adapt video quality dynamically to fit different viewing conditions and devices.

(Note: VR's unique feature of displaying separate images for each eye means that an 8K video would be divided into two 4K images, enhancing the immersive experience.)

BlendVision Video Encoding: High-Quality, Fast Transmission Transcoding and Encoding Services

As 4K and 8K reshape our visual experiences, BlendVision stands out with its comprehensive and adaptable video transcoding and encoding services:

  1. Flexibility in choosing H.264 or H.265 video codec for various resolutions.
  2. A top-tier viewing experience across platforms like Web, iOS, Android, and TV.
  3. An intuitive interface for encoding settings.
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