JPEG XS – Advantages in brief

  • Professional formats: Support of RGB/444, RGBA/4444, YCbCr 444/422, YCbCrA 4444/42224, and YCbCr 420 image formats of up to 12 bits per color component sample precision with the option to extend it to 16 bits in the future
  • Highest fidelity: Visually lossless, i.e. no visible degradation, even over multiple compression/decompression cycles. The latter is known by the term “multi-generation robustness.”
  • Low latency: Maximum 32 lines end-to-end (compression-decompression) latency in hardware, in special modes even subline latency.
  • Bitrate: Exact bitrate allocation per frame slice avoiding data overshooting
  • Parallelism: Support for multiple platforms e.g. FPGA, ASIC, GPU, and CPU, by high degree of parallelism
  • High Performance: Real-time software implementation capability for 4k/60p formats on today’s standard computers.
  • Low complexity: defined as a maximum percentage of a specific low-cost FPGA. No external frame buffer required in embedded applications. In particular, individual frames shall be decoded independently
  • Typical compression ratios: 2:1 - 10:1



Notes: Status is as of 01.June.2020

Transport/ Container Type Description – Main purpose extension
RTP RTP Payload Format for JPEG XS (IETF draft) IP-based transport  
MPEG2-TS ISO/IEC 13818-1:2019 AMD1:2020 Carriage of associated CMAF boxes for audio-visual elementary streams and JPEG XS in MPEG-2 TS  
Video over IP SMPTE 2110-22:2019 Encapsulation of compressed video streams in SMPTE 2110 as RTP stream  
JXS JPEG XS file format (defined in ISO/IEC 21122-3 Annex A)

For storing of single images

JPEG 2000 syntax based

MP4 ISO Base Media File format (ISOBMFF) (defined in ISO/IEC 21122-3 Annex B)

For storing of video

ISOBMFF syntax based

HEIF High Efficiency Image File Format (defined in ISO/IEC 21122-3 Annex C) For storing of mixed image and video content .heif

For storing of video

MXF syntax based


JPEG XS SDK - Image coding for video over IP in production quality

Also interesting: the matching exhibit at IBC 2020, JPEG XS SDK - Image coding for video over IP in production quality.


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For more information about JPEG XS please visit the Fraunhofer IIS' homepage:


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