HDMI Introduction

HDMI (High Definition Multimedia Interface) is a widely known multimedia connectivity interface that integrates advanced technologies, allowing high-quality audio and video signals to be transmitted simultaneously on a single cable without the need for additional complex connections or compression processing. The advantage of HDMI lies in its ability to provide uncompressed audio and video, ensuring that you enjoy the highest quality entertainment experience.

HDMI has been widely adopted in various devices, including televisions, set-top boxes, audio systems, personal computers, DVD players, and monitors, among others. This versatility has made HDMI the primary interface standard for today's multimedia entertainment. It not only delivers extremely high image quality but also supports various audio formats, thus catering to diverse needs.

In conclusion, HDMI is the leading standard in today's multimedia connectivity field. Its capabilities and widespread applications make it an indispensable part of modern entertainment and technological life. Whether it's watching movies, playing games, or working, HDMI provides excellent picture and sound quality, enabling us to enjoy an exceptional audiovisual experience.

HDMI Official Certification Association

HDMI Licensing Administrator (HDMI LA) is the authorized agency appointed by the HDMI Forum, responsible for promoting and managing the licensing activities related to the HDMI 2.1 and HDMI 1.4 specifications. HDMI LA actively organizes regular technical seminars, promotional events, and educational outreach to enhance the understanding and application of HDMI technology. For more in-depth information about HDMI, please refer to the official association website:www.hdmi.org

HDMI Forum is a non-profit international organization that brings together top global electronics manufacturers, officially authorized by HDMI LA. The primary mission of the HDMI Forum is to participate in the development of HDMI specifications and technologies, especially the certification specifications for the HDMI 2.x series. Its core objective is to continuously evolve future versions of the HDMI standard, ensuring compatibility and promoting a comprehensive HDMI ecosystem. For more information, please visit the official website:www.hdmiforum.org

HDMI Certificaiton Process

(1) Become an HDMI member

Inquire whether if you are an HDMI membership or not here

If you need to apply for membership, you can refer to Become An HDMI Adaptor

Your product must use a connector that complies with the HDMI specifications.
For more details, you can refer to HDMI Connector model Lookup

(2) Documents required for testing

  • CDF (Capabilities Declaration Form): Used to declare the performance and functionality of the product and cross-checked during the certification testing process to ensure compliance with relevant standards and consistency requirements. This form is a necessary document in the testing process, and you can download it from the HDMI official website (membership is required).

  • Family Model Series: This document includes a list of model numbers for a series of similar products. This table should be submitted to the laboratory before product certification. The applicable scenarios for a series model list include the following conditions:
    1. There are no software or hardware changes between series models except for the outer shell design and color.
    2. HDMI design remains consistent within the series models.
  • HDCP Document: Although this document is not a mandatory requirement for HDMI certification, if your product supports HDCP 1.x or 2.x, you must fill out the relevant HDCP form. You can obtain it from DCP official websitedownload the related HDCP forms

(3) Get Certification

Using your HDMI member account, apply for the association's official confirmation letter:

  • Choose the relevant product category (Source, Sink, Cable, Repeater…)
  • Upload the CDF and ATC certificates.

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您是 HDMI 測試工程師嗎?您有用過 QD980 或是 Lecroy M41h 驗證過 HDMI protocol 嗎?如果答案是 yes,那麼您一定知道 HDMI CDF 填值的痛苦,要把上千行的值一一填入 QD980 軟體裡,不只花時間 (可能是數小時或更多),還有可能出錯,重點是您完全不知道自己有沒有做錯…