Transcoding

The follow key features were added to the transcoding feature in the V13 of the Zixi Broadcaster:

• AAC-HE (High Efficiency) Audio Encoding

• Audio sample rate conversion

• AC-3 audio decoding

• 10-bit HDR color encoding on NVIDIA

• Color conversion from 10bpp to 8bpp

• Cropping

• Smooth frame rate conversion available for Intel Quick Sync, and X264 (NVIDIA was in v12)

• Resolution downscaling using NVIDIA hardware with keeping aspect ratio

• Resolution upscaling using NVIDIA hardware

• SEI closed captions on HEVC streams

• Interlaced encoding

• MPEG2 decoding using NVIDIA hardware

• Preserve captions and SCTE markers in framerate conversion

Additional details on some of these items can be found below.