HDMI® Test
HDMI® Test
High Definition Multimedia Interface, HDMI, integrates digital video and audio transmission and can transmit audio and video signals on one single cable simultaneously. HDMI can be used in TV boxes, stereos, personal computers, DVD players, and screens, and is widely used. The latest HDMI technology is HDMI 2.1 FRL (Fixed Rate Link), released by the HDMI Forum at the end of 2017, it subverts the previous signal transmission mode of the HDMI interface.
HDMI LA
HDMI Licensing Administrator (HDMI LA) is the responsible unit for registered members. It regularly organizes various learning, promotion, and publicity activities related to HDMI technology and also is the agent appointed by the HDMI Forum to license Version 2.1 of the HDMI Specification and is the agent appointed by the HDMI Founders to license earlier HDMI Specifications. For more information, please refer to www.hdmi.org.
HDMI Forum
HDMI Forum is a non-profit organization that brings together world-class excellent manufacturers and is also an officially authorized organization of HDMI LA. The HDMI 2.x certification specification was also discussed and formulated by the HDMI Forum. Their main task is to develop future versions of HDMI specifications and technologies and create a complete and compatible HDMI ecosystem. For more information, please refer to www.hdmiforum.org.
HDMI Latest Specification
High-Definition Multimedia Interface Specification Version 2.1-November 13, 2017
Certification Area
HDMI can be certified by the below product types.
HDMI 2.1 FRL test
In response to the increasing demand for high-quality audio and video applications in the consumer market, the HDMI Forum released the latest HDMI 2.1 specifications at the end of 2017. The most amazing new feature is the addition of the FRL (Fixed Rate Link) transmission mode. It can be said It overturns the way the HDMI interface transmits signals in the past.
HDMI 2.1 Test Items Summary
* FRL Source, Sink, Connector, and Cat.3 HDMI Cable already can obtain HDMI 2.1 certification
<Click to Test Instrument Reference>
HDMI 2.1 TMDS vs. FRL
HDMI 2.0 now has been replaced by HDMI 2.1 completely.
HDMI 2.1 is divided into two modes, FRL and TMDS. For the FRL mode, DSC, HDR, and Gaming Mode related test items and specifications are being released.
HDMI 2.1 FRL FAQ
1. What data rate does HDMI 2.1 FRL supports?
2. Do products that support HDMI 2.1 FRL need to use HDMI 2.1 certified connectors?
HDMI Certification Process
HDMI Certification Process
* This flow is only for HDMI 1.4 and 2.1 ATC tests, if you would like to get detail about HDMI Self-test, please contact us.
(1) Become an HDMI LA Member
You can go to the association website to check whether your Company Name is an association member, members can be OEM or Branding manufacturers, choose one.
If not, apply for the membership online,
- Application contact person signs Agreement
- payment completed
- Applicants will receive a set of IDs and passwords that means the application is successful
(2) Provide sample information. What is CDF & HDCP Form?
- CDF (Capability Declaration Form):
This form will record the capabilities of your product. The standard test is in progress, and it will be confirmed whether the content you filled in and the test result are consistent. This form is necessary for testing. You need to be a member of the association to download it. - HDCP Form:
This form is optional. If your product supports HDCP1.x or HDCP2.x, you have to provide this document.
HDCP Form can be downloaded at DCP Webpage. - Family Model list: When performing ATC certification, the main certification model is an extended model (Family Model), no additional testing is required. Please fill in the Family spreadsheet in the CDF and submit it to GRL before certification, and we will help you submit it to the Association for review.
The Family Model should follow the below conditions:- The extended model has no hardware changes (except for the case design, and color change)
- No software & firmware changes for extended models
- The DisplayPort hardware design on the extended model remains unchanged
(3) HDMI 1.4 ATC: After getting the certificate provided by GRL
- You need to apply for the HDMI Confirmation letter on the HDMI Association website
- Log in to your member account and choose your product category: HDMI 1.4b/2.1 Source/Sink/Repeater/Cable/HDMI Premium Cable
- The files that need to be uploaded: CDF, GRL test report, HDMI Certificate
- After filling out all the information and upload to complete the HDMI certification process
HDMI Certification Test Items & Instruments Used
HDMI Certification Test Items
The product category can be certified by HDMI and test items.
* Although the names of the following major items (Electrical test) are the same, the actual test items will vary depending on the product category.
HDMI Certification Test Items
Electrical Test
- Tektronix DPO72004C
- Keysight M8195A
Protocol Test
- Keysight U4998A
- Keysight M8195A
- QuantumData 980
Voltage Test
- Keysight E3634A
- Advnatest R6240A
- HIOKI 3522-50
EDID Test
- QuantumData 882
- Yokogawa DLM2024
Impedance Test
- Tektronix DSA8200
- Keysight E5071C
HDCP Test
- Simplay Labs SL8800
HDMI®, HDMI® High-Definition Multimedia Interface, Ultra High-Speed HDMI® Cable Certification Test, and HDMI trademark
are registered trademarks of HDMI Licensing Administrator, Inc.
Disclaimer
This information is provided for convenience only. This information is not and should not be regarded as official information of the HDMI Forum.
For the official information on HDMI®, please visit the website https://www.hdmi.org/, or obtain it directly from the HDMI Forum.
HDMI® 2.1 Cable Test
HDMI 2.1 Cable - Ultra High-Speed Cable
HDMI® 2.1 Specification makes the product reaches a higher fresh rate and up to 10K resolution, and its bandwidth is increased to 48Gbps. The transmission speed on all four lanes can reach 12Gbps. Compared with the HDMI® 2.1 TMDS specification (6Gbps on 3 channels), the bandwidth is doubled. In order to support the HDMI 2.1 FRL product for high bandwidth requirements, a new cable specification has also been introduced.- New HDMI® 2.1 Ultra High Speed (UHS) Cable can ensure that high dynamic range uncompressed 8K images that require high-bandwidth transmission can be played normally. And reduce electromagnetic interference to nearby devices.
- HDMI® 2.1 Ultra High-Speed Cable is backward compatible with the lower version of the HDMI ® specification.
HDMI 2.1 Cable Test Items
- 4.1 FRL Data Lane Parametric Electrical Test
- eARC Data Lane Parametric Electrical Tests
- DDC/CEC Line Tests
- Note
- HDMI 2.1 Cable needs to meet the requirements of HDMI 1.4b cable
- The connectors used must be certified HDMI Category 3 Connectors
HDMI® 1.4 Cable Test
Premium HDMI® Cable Test
Premium HDMI Cable
The Premium HDMI® Cable Certification Program covers additional and enhanced cable tests to ensure cables comply with the full 18Gbps bandwidth and with an EMI test to ensure they minimize interference with wireless signals.
The program gives customers confidence when purchasing new HDMI® cables for 4K/UltraHD products that include 4K@60Hz, BT.2020, and HDR features and these newly designed cables are available with both HDMI Type-A and Type-D Connectors.
Premium HDMI Cable Test Items
- General Cable Assembly Tests
- Eye Diagram Test
- Parametric Test
- HEAC Cable Assembly Tests (Optional)
- Additional Electrical Performance Tests
- 600MHz Eye Diagram Test
- EMI/RFI Test
HDMI®, HDMI® High-Definition Multimedia Interface, Ultra High-Speed HDMI® Cable Certification Test, and HDMI trademark
are registered trademarks of HDMI Licensing Administrator, Inc.
Disclaimer
This information is provided for convenience only. This information is not and should not be regarded as official information of the HDMI Forum.
For the official information on HDMI®, please visit the website https://www.hdmi.org/, or obtain it directly from the HDMI Forum.