ما هو HEVC (H.265)؟

تعرف على ملفات HEVC، وكيف تعمل، ومتى تستخدمها. دليل شامل لصيغة HEVC مع المقارنات والمحولات المجانية. أداة مجانية عبر الإنترنت، لا تحميل أو تسجيل مطلوب. تعمل في المتصفح، فورية وآمنة. تدعم العديد من الصيغ ملفات.

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HEVC

ما هو HEVC (H.265)؟

الدليل الكامل لملفات HEVC (H

آخر تحديث:

Year2013
TypeVideo
Usage4K streaming

What is it?

HEVC (High Efficiency Video Coding), also known as H.265, is a video compression standard developed by the Joint Collaborative Team on Video Coding and finalized in 2013. It is the successor to H.264 (AVC) and delivers approximately 50% better compression efficiency, meaning a HEVC video at the same visual quality takes up roughly half the file size of the equivalent H.264 video. This efficiency makes HEVC the dominant standard for 4K and 8K video streaming.

HEVC achieves its compression gains through larger and more flexible coding units (up to 64x64 pixels instead of H.264's 16x16), improved motion compensation, and better intra-frame prediction. These improvements are computationally expensive to encode but decode efficiently on modern hardware with dedicated HEVC acceleration. All current major streaming platforms, including Netflix, Disney+, and Apple TV+, use HEVC for 4K HDR content delivery.

Technical Specifications

StandardITU-T H.265 / ISO/IEC 23008-2
Released2013
CompressionLossy (block-based DCT)
Max ResolutionUp to 8192 x 4320 (8K)
HDR SupportHDR10, Dolby Vision, HLG
Container FormatsMP4, MKV, MOV, TS
Hardware DecodeSupported on all modern CPUs, GPUs, phones

Pros & Cons

Advantages

ضغط أفضل بنسبة 50%

Achieves the same visual quality as H.264 at half the file size, cutting bandwidth and storage costs.

دعم 4K و 8K

Designed from the ground up for ultra-high-definition resolutions up to 8K.

دعم HDR الأصلي

Supports HDR10, Dolby Vision, and HLG for rich, high-dynamic-range content.

دعم واسع للأجهزة

Modern CPUs, GPUs, and mobile chips include dedicated HEVC decode acceleration.

Disadvantages

تعقيد ترخيص البراءات

Multiple patent pools with licensing fees have slowed adoption in some open-source and low-cost applications.

ترميز البرمجيات البطيء

Software-only HEVC encoding is significantly slower than H.264 without dedicated hardware acceleration.

توافق الأجهزة القديمة

Devices from before 2014 often cannot play HEVC smoothly without hardware acceleration.

المنافسة من AV1

The royalty-free AV1 codec offers similar compression efficiency and is growing in web streaming usage.

When to Use It

Here are the most common situations where HEVC (H.265) is the right choice:

بث الفيديو بدقة 4K

The standard codec for all major 4K streaming services where bandwidth efficiency is critical.

لقطات الطائرات بدون طيار وكاميرات الحركة

Most modern 4K cameras including DJI drones and GoPro record in HEVC by default.

أرشفة الفيديو على المدى الطويل

Store large video libraries more efficiently than H.264 with no perceptible quality difference.

مؤتمرات الفيديو بدقة عالية

Enables higher resolution calls over the same bandwidth as H.264 at lower resolutions.

How to open a HEVC file

HEVC (H.265) files can be managed using a variety of software tools that cater to different user needs. Professional-grade applications like Adobe Premiere Pro offer advanced editing capabilities, while free and open-source options like VLC Media Player provide basic playback and limited editing features. Browser-based tools can be convenient for quick access, and built-in OS players often support HEVC playback without additional installations.

When choosing software for HEVC, factors such as feature fidelity, the distinction between editing and viewing, cost, and platform compatibility are critical. Users should consider whether they need advanced editing features or simple playback, as well as the potential need for exporting to other formats. In some cases, converting HEVC files to a more widely supported format may be beneficial for compatibility with older devices.

Adobe Premiere Pro 2023

Windows, macOSSubscription

Adobe Premiere Pro is a professional video editing software that fully supports HEVC files. It allows for high-fidelity editing and rendering of HEVC content, making it suitable for filmmakers and content creators who require advanced features.

الميزات الرئيسية
  • Multi-track editing with HEVC support
  • Color grading tools for HDR content
  • Export to various formats including HEVC
  • Integration with Adobe Creative Cloud
  • Support for 4K and 8K video editing
نقاط القوة
  • Industry-standard editing capabilities
  • Extensive format support including HEVC
  • Powerful color correction tools
القيود
  • Subscription model can be costly
  • Steeper learning curve for beginners

يصدّر إلى: MP4, MOV, AVI, WMV, HEVC

الأفضل لـ: Choose Adobe Premiere Pro for professional-grade HEVC editing and extensive format support.

زيارة Adobe Premiere Pro →

VLC Media Player 3.0.16

Windows, macOS, Linux, All (browser)Free (GPL)

VLC Media Player is a versatile, open-source media player that supports HEVC playback and basic editing features. It is ideal for users looking for a free solution to view HEVC files without the need for extensive editing capabilities.

الميزات الرئيسية
  • Playback of HEVC files without additional codecs
  • Basic video conversion options
  • Streaming support for HEVC content
  • Subtitle support for HEVC videos
  • Snapshot feature for still images
نقاط القوة
  • Completely free and open-source
  • Wide format compatibility
  • Cross-platform availability
القيود
  • Limited editing features
  • User interface can be less intuitive

يصدّر إلى: MP4, AVI, MKV, OGG, WebM

الأفضل لـ: VLC Media Player is perfect for users needing a free, reliable player for HEVC files without advanced editing needs.

زيارة VLC Media Player →

HandBrake 1.6.1

Windows, macOS, LinuxFree (GPL)

HandBrake is an open-source video transcoder that supports HEVC encoding and decoding. It is particularly useful for users looking to convert HEVC files to other formats or compress video files while maintaining quality.

الميزات الرئيسية
  • HEVC encoding for video compression
  • Batch processing for multiple files
  • Customizable output settings
  • Support for subtitles and chapters
  • Preview feature for output quality
نقاط القوة
  • Powerful compression capabilities
  • User-friendly interface for conversions
  • Free and regularly updated
القيود
  • No advanced editing features
  • Limited to transcoding and conversion

يصدّر إلى: MP4, MKV, WebM, AVI, OGG

الأفضل لـ: Select HandBrake for efficient HEVC file conversion and compression without editing needs.

زيارة HandBrake →

Final Cut Pro 10.6

macOSOne-time $299.99

Final Cut Pro is Apple's professional video editing software that offers robust support for HEVC files. It provides high-quality editing tools and is optimized for Mac users who need to work with HEVC content efficiently.

الميزات الرئيسية
  • Magnetic Timeline for easy editing
  • Advanced color grading tools
  • Support for HDR and 360-degree video
  • Optimized for Apple silicon
  • Multiple export options including HEVC
نقاط القوة
  • Seamless integration with macOS
  • High-performance editing capabilities
  • Intuitive user interface
القيود
  • High one-time purchase cost
  • Mac-only availability

يصدّر إلى: HEVC, MP4, MOV, ProRes, MXF

الأفضل لـ: Final Cut Pro is ideal for Mac users seeking a powerful, professional tool for HEVC video editing.

زيارة Final Cut Pro →

Convert HEVC (H.265) Files

Need to convert your HEVC files? Use our free online converter.

Convert HEVC (H.265) Files

المراجع

  1. H.265: High Efficiency Video Coding - ITU-T
  2. ISO/IEC 23008-2 High Efficiency Video Coding - ISO
  3. High Efficiency Video Coding (HEVC) Family, H.265, MPEG-H Part 2 - Library of Congress
  4. High Efficiency Video Coding - Wikipedia