Product overview, Video encoding, Audio encoding – Cobalt Co9992-4ENC-4K-HEVC Software-Defined Broadcast Encoder User Manual
Page 11: Ancillary data support

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Product Overview
Video Encoding
Encoding Standards:
MPEG-2 (H.262)
MPEG-4 AVC (H.264)
HEVC (H.265)
Support for up to four independent 1080p60 encode sessions (All encode sessions must
use the same standard; mixed-standard encoding is not supported.)
Support for UHD encoding in AVC and HEVC modes (Maximum resolution
4096x2160p60)
Maximum bit rates:
UHD (4K) encoding: 150 Mb/s
HD encoding: 40 Mb/s (The first HD channel can be as high as 150 Mb/s.)
Support for 4:2:0 and 4:2:2 color spaces in all modes
Support for 8-bit / 10-bit encoding in all modes
Full control of GOP size and structure. Advanced compression controls available.
Audio Encoding
Encoding Standards:
MPEG-1 Layer II
AAC-LC
HE-AAC (v1/v2)
Dolby AC-3
Dolby EAC-3
LPCM (SMPTE-302M)
Dolby AC-3/EAC-3 pass-through support
(5.1-Surround encoding available for AAC-LC, HE-AAC, Dolby AC-3 and Dolby EAC-
3; subject to licensing)
Maximum number of channels supported (subject to licensing):
MPEG-1 Layer II: 16 stereo pairs (32 audio channels)
Dolby AC-3: 16 stereo pairs (32 audio channels)
Dolby EAC-3: 8 stereo pairs (16 audio channels)
AAC-LC: 8 stereo pairs (16 audio channels)
HE-AAC (v1/v2): 8 stereo pairs (16 audio channels)
Ancillary Data Support
Closed-Captioning: SMPTE-334M (EIA-608 and EIA-708 supported), Line 21 (SD
sources)
AFD: SMPTE-2016, Line 20/22 WSS (SD sources)
SCTE-104 to SCTE-35 conversion
SMPTE-2038 generic ancillary data transport (timecode, KLV, etc.)
SMPTE-2108 HDR metadata