About HDMI

Designed to meet the increased demands of digital TV, HDMI (High Definition Multimedia Interface) is a new digital interface standard for connecting TVs, projectors, Blu-ray Disc/DVD players, set-top boxes, and other video compo- nents. 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 up to eight channels of digital audio (2-channel PCM, multichan- nel 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.)

The AV receiver uses HDCP (High-bandwidth Digital Content Protection)*2, so only HDCP-compatible components can display the picture.

The AV receiver’s HDMI interface is based on the following:

Audio Return Channel, 3D, x.v.Color, Deep Color, Lip Sync, DTS-HD Master Audio, DTS-HD High Resolution Audio, Dolby TrueHD, Dolby Digital Plus, DSD and Multichannel PCM

Supported Audio Formats

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 AV receiver supports HDCP (High-bandwidth Digital Content Protection)*2, a copy-protection system for digital video signals. Other devices connected to the AV receiver via HDMI must also support HDCP.

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

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

*3 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 PCs and digital displays.

Note

The HDMI video stream 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’ll 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’s 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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Onkyo TX-NR708 instruction manual About Hdmi, Supported Audio Formats, About Copyright Protection

TX-NR708 specifications

The Onkyo TX-NR708 is a high-performance AV receiver that offers a superb blend of power, versatility, and advanced technology, making it a top choice for home theater enthusiasts. Designed to deliver an immersive audio and video experience, it supports a wide array of formats and features that cater to modern needs.

One of the standout features of the TX-NR708 is its 7.2 channel configuration, which allows for the creation of a powerful surround sound setup. With a rated output of 100 watts per channel, this receiver can drive even demanding speakers while ensuring clarity and detail across a wide range of frequencies. It also supports Dolby TrueHD and DTS-HD Master Audio, delivering lossless audio quality that can bring movies, music, and gaming to life.

In terms of video capabilities, the TX-NR708 is equipped with HDMI 1.4 inputs, which support 3D video and 4K upscaling. This ensures that users can enjoy their content at the highest quality available, making it a future-proof option as 4K content becomes more accessible. The receiver also includes advanced video processing technologies, such as Faroudja DCDi Cinema, enhancing video signals for better clarity and color accuracy.

The Onkyo TX-NR708 features Audyssey MultEQ room calibration technology, which measures the acoustic properties of the listening environment and automatically adjusts the receiver’s settings to provide optimal sound performance. This feature is particularly beneficial for those who may encounter acoustic challenges in their rooms, ensuring a consistent and balanced audio experience.

Connectivity is another area where the TX-NR708 excels. It includes multiple HDMI inputs, digital audio inputs, and analog connections, making it easy to integrate with various devices. Moreover, it supports various streaming services and internet radio through built-in networking features, allowing users to enjoy their favorite music directly from the receiver.

The Onkyo TX-NR708 also includes an intuitive on-screen display and a remote control that simplifies navigation and operation. With its combination of power, advanced technology, and versatile connectivity options, the Onkyo TX-NR708 stands out as an exceptional choice for anyone looking to enhance their home entertainment system. Whether for movies, gaming, or music, this receiver is designed to deliver a captivating and immersive experience.