Introduction
The HDMI 18Gbps Audio Embedder could embed audio signals from digital optical or analog stereo Line audio to HDMI output. Further, both input and output HDMI support video resolution up to 4K2K@50/60Hz (YUV444). It supports 10bits HDR (High Dynamic Range) pass through and HDMI high resolution digital audio formats bypass, LPCM 2CH, Dolby TrueHD, Dolby Digital Plus, Dolby Atmos and DTS-HD Master Audio, audio sampling rate up to 192 kHz. HDCP 2.2 and CEC bypass are supported.
Features
- Embeds multi-channel optical (SPDIF) or Line analog audio to HDMI output
- Optical audio supports LPCM 2CH, Dobly Digital 2/ 5.1CH, DTS 2/5.1CH
- Analog audio supports PCM2.0
- HDMI 2.0b (18Gbps), HDCP 2.2 and DVI 1.0 compliant
- Video resolutions up to 4K2K@50/60Hz (YUV444)
- Supports HDMI High Bit Rate (HBR) audio pass through
- 10bits HDR (High Dynamic Range) pass through
- Supports CEC bypass
Specifications
| Technical | |
| HDMI Compliance | HDMI 2.0b |
| HDCP Compliance | HDCP 2.2 and HDCP 1.4 |
| Video Bandwidth | 18Gbps |
| Video Resolutions | up to 4K2K@50/60Hz (YUV4:4:4),4K2K@ 30Hz,1080P@120Hz and 1080P3D@60Hz |
| Color Space | RGB, YCbCr 4:4:4, YCbCr 4:2:0 |
| Color Depth | 10-bit, 12-bit |
| HDMI Audio Formats
(Pass-through) |
LPCM 2/5.1/7.1CH, Dolby Digital, DTS 5.1,
Dolby Digital+, Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, DTS:X |
| Optical Audio
Formats |
LPCM 2CH, Dolby Digital 2/5.1CH,
DTS 2/5.1CH |
| L/R Audio Formats | Analog Stereo 2CH |
| ESD Protection | Human body model — ±8kV (air-gap discharge) & ±4kV (contact discharge) |
| Connections | |
| Inputs | 1x HDMI Type A [19-pin female]
1x Line In [3.5mm Stereo Mini jack] 1x Optical In [S/PDIF] |
| Outputs | 1x HDMI Type A [19-pin female] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 73.5mm [W] x 60.7mm [D] x 17mm [H] |
| Weight | 122g |
| Power Supply | Input: AC100 – 240V 50/60Hz
Output: DC 5V/1A (US/EU standards, CE/FCC/UL certified) |
| Power Consumption | 1.25W |
| Operation Temperature | 32 – 104°F / 0 – 40°C |
| Storage temperature | -4 – 140°F / -20 – 60°C |
| Relative Humidity | 20 – 90% RH (no condensation) |
Operation Controls and Functions
Front Panel

| Number | Name | Function Description |
| 1 | HDMI In | Connect to HDMI source device, such as DVD player or set top box |
| 2 | Line In | Analog audio input port. |
| 3 | Optical In | Optical audio input port. |
Rear Panel

| Number | Name | Function Description |
| 1 | DC 5V | Connect 5V/1A adapter to AC wall outlet for power supply. |
| 2 | Power LED | System power indicator. |
| 3 | HDMI/Optical/
Line |
User can select input audio format according to HDMI, Optical or Line. ▪ When the dial switch is dialled to HDMI, the HDMI Out port output audio from HDMI In port input.
▪ When the dial switch is dialled to Optical, the HDMI Out port output audio from Optical In port input. ▪ When the dial switch is dialled to Line, the HDMI Out port output audio from Line In port input. |
| 4 | HDMI Out | Connect to HDMI display device such as TV/Projector. |
| 5 | Link LED | The LED will illuminate when detected HDMI output signal. |
Application Example

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