The H.264 core is compliant with the H.264 Advanced Video Coding (AVC) Baseline profile video compression algorithm (level 4.1). It can process up to 32 frame-multiplexed video channels, and each channel may have its own resolution and frame rate. With its ability to process multiple inputs and unusual support for frame sizes up through HDTV at fast transmission rates, the H.264-E core is especially effective for multi-camera surveillance systems, video conferencing packages, networked camera situations, and any application with multiple video sources feeding into a single network node where bandwidth is limited.

Key Features:

• Meets the ITU-T H.264 baseline specification
• Profile level 4.1 (output can be read by a Main Profile decoder)
• Supports common video resolutions with very low operational frequencies, e.g:
  • 720p HDTV progressive (1280×720) @ 30fps requires about 110 MHz
• Supports up to 32 frame-multiplexed video channels; each may have a different resolution and frame rate
• Independent hardware encoder processes video without assistance of a microprocessor
• Supports YCbCr 4:2:0 16×16 block video input
• Supports most intra4x4 and all intra16x16 modes
• Flexible output:
  • Constant Bit Rate (CBR) for applications with limited bandwidth
  • Variable Bit Rate (VBR) for low latency and detailed images in fast-changing scenes
• Motion vector up to -16.00/+15.75 pixels (search area is 32×32 pixel wide down to quarter pixel)
• Supports multiple slices for better error resilience
• Block skipping logic for lower bit rate
• Very low latency in VBR mode (~1 ms for VGA @ 30 fps)
• Deblocking filter for better quality, especially at low bit rates

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