Reference Information

About HDMI

HDMI (High Definition Multimedia Interface) is a digital interface standard for connecting TVs, projectors, Blu-ray Disc/DVD players, set-top boxes, and other video components. Until now, several separate video and audio cables have been required to connect AV components. With HDMI, a single cable can carry control signals, digital video, and digital audio (2-channel PCM, multichannel digital audio, and multichannel PCM).

The HDMI video stream (i.e., video signal) is compatible with DVI (Digital Visual Interface) (*1), so TVs and displays with a DVI input can be connected by using an HDMI-to-DVI adapter cable. (This may not work with some TVs and displays, resulting in no picture.)

This unit supports HDCP (High-bandwidth Digital Content Protection) (*2), so it can display picture only on HDCP-compatible components.

The HDMI on this unit supports the following functions:

Audio Return Channel, 3D, x.v.Color, DeepColor, Lip Sync, 4K (Passthrough), DTS-HD Master Audio, DTS-HD High Resolution Audio, Dolby TrueHD, Dolby Digital Plus, DSD and Multichannel PCM.

Supported Audio Formats of this Unit:

 2-channel linear PCM (32 - 192 kHz, 16/20/24 bit)

 Multichannel linear PCM (up to 7.1 ch, 32 - 192 kHz, 16/20/24 bit)

 Bitstream (DSD, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS-HD High Resolution Audio, DTS-HD Master Audio)

Your Blu-ray Disc/DVD player must also support HDMI output of the above audio formats.

About Copyright Protection:

The HDMI jack of this unit is compliant with Revisions 1.4 and 2.2 (HDMI OUT MAIN and HDMI IN3 jacks only) of the HDCP (High-bandwidth Digital Content Protection) specification (*2), which is a copy-protection system for digital video signals.

Other devices connected to this unit via HDMI must also be compliant with HDCP.


DVI (Digital Visual Interface): The digital display interface standard set by the DDWG (3) in 1999.


HDCP (High-bandwidth Digital Content Protection): The video encryption technology developed by Intel for HDMI/DVI. It is designed to protect video content and requires a HDCP-compatible HDMI/DVI receiver to display the encrypted video.


DDWG (Digital Display Working Group): Lead by Intel, Compaq, Fujitsu, Hewlett-Packard, IBM, NEC, and Silicon Image, this open industry group’s objective is to address the industry’s requirements for a digital connectivity specification for high-performance PC and digital displays.


 Some contents are only available for devices compliant with HDCP Rev. 2.2.
To view and listen to this kind of content, connect the TV or player compliant with the HDCP Rev. 2.2 specification to the HDMI OUT MAIN and HDMI IN3 jacks of this unit.

 The HDMI video stream (i.e., video signal) is compatible with DVI (Digital Visual Interface), so TVs and displays with a DVI input can be connected by using an HDMI-to-DVI adapter cable. (Note that DVI connections only carry video, so you will need to make a separate connection for audio.) However, reliable operation with such an adapter is not guaranteed. In addition, video signals from a PC are not supported.

 The HDMI audio signal (sampling rate, bit length, etc.) may be restricted by the connected source component. If the picture is poor or there is no sound from a component connected via HDMI, check its setup. Refer to the connected component’s instruction manual for details.

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