| Release |
New Feature |
Applicability |
880 Support |
| HDMI 1.0 |
Baseline |
Mandatory |
Yes |
| x |
x |
x |
x |
| HDMI 1.1 |
IT formats allowed on Type A connector (with constraints) |
Optional |
Yes |
| x |
HDMI connector mechanical safety chamfer |
Recommended |
Yes |
| x |
CEC no longer requires presence of DDC +5V power |
Optional |
Yes (relaxed) |
| x |
Relax DDC +5V power specifications |
Optional |
Yes (not relaxed) |
| x |
Increase HPD max input high-level voltage specification |
Mandatory |
Yes |
| x |
Only use correct CLTx codes during window of opportunity |
Mandatory |
Yes |
| x |
ACP and ISRC packets |
Optional |
No |
| x |
Ignore channel status bits in sub-packets other than 0 |
Recommended |
Yes |
| x |
1000ppm (or better) audio rate accuracy |
Mandatory |
Yes |
| x |
Disallow audio sample layout 1 with 2 channel LPCM |
Mandatory |
Yes |
| x |
Extension fields added to Vendor Specific Data Block |
Optional |
Yes |
| x |
New AVI InfoFrame transmission requirements |
Recommended |
Yes |
| x |
x |
x |
x |
| HDMI 1.2 |
IT formats allowed on Type A connector (without constraints) |
Optional |
Yes |
| x |
HDMI connector mechanical safety chamfer (now required) |
Mandatory |
Yes |
| x |
Sinks support AC-coupled sources |
Mandatory |
Yes |
| x |
Relax maximum resistance spec for interconnected CEC line |
Mandatory |
Yes (not relaxed) |
| x |
Remove CEC leakage current limit while in standby |
Mandatory |
Yes (relaxed) |
| x |
Allow CEC line pull-up with current source |
Optional |
No (882 uses resistors) |
| x |
Remove RGB-to-YCbCr conversion requirement on some devices |
Optional Now |
Yes (not relaxed) |
| x |
Support for 15 new video formats added in CEA-861-C |
Optional |
Yes |
| x |
Direct Stream Digital (DSD) One-Bit Audio |
Optional |
No |
| x |
Remove DTD/SVD matching requirements |
Optional Now |
Yes (relaxed) |
| x |
x |
x |
x |
| HDMI 1.2a |
CEC device support (with new mandatory give Power Status message) |
Optional |
Yes |
| x |
Remove Ioff and make Voff normative |
Mandatory |
Yes (Relaxed) |
| x |
x |
x |
x |
| HDMI 1.3 |
New Type C Mini-Connector |
Optional |
No |
| x |
Category 1 cable(s) |
Optional |
Yes |
| x |
Category 2 cable(s) |
Optional |
No |
| x |
Cable equalization |
Optional |
No |
| x |
>165MHz single-link operation |
Optional |
No |
| x |
4:4:4 10-bit/12-bit Deep Color |
Optional |
Yes (882E) |
| x |
xvYCC wide gamut enhanced colorimetry (PO version) |
Optional |
Yes |
| x |
Direct Stream Transport (DST) compressed One-Bit Audio |
Optional |
No |
| x |
DTS-HD high bit rate audio |
Optional |
Yes |
| x |
Dolby True-HD high bit rate audio |
Optional |
Yes |
| x |
Audio lip sync correction |
Optional |
Yes |
| x |
Support for EDID and InfoFrame data added in the CEA-861-D |
Optional |
Yes |
