HDMI 4K resolution, quick guide for dummies

HDMI technology is a global standard for excellent digital transmission of image and sound. HDMI 4K resolution is a game changer to the HDMI technology. If you want to find out what is HDMI 4K resolution, this article is for you.

When you mention HDMI, you are talking about the technology invented to serve the transmission of image and audio data. To understand what HDMI 4K resolution is, we should have an overview of HDMI first.

HDMI is short for High-Definition Multimedia Interface. HDMI is a connectivity standard, typically transmitting audio, video and digital data. Compared to other connectors, HDMI transmits better sound quality and images, easier and faster.

HDMI ports are now integrated into most electronic devices such as laptops, TVs, cameras, sound systems, … You can find them on the back of the devices, marked as HDMI ports. , or with symbols such as MHL, ARC, and STB as shown on the TV.

Different HDMI ports will have different connectivity and data transfer functions. One of them is HDMI port (MHL). MHL stands for Mobile High-Definition Link. This is a connectivity standard, allowing images to be displayed from a mobile device (smartphone or tablet) that supports MHL cast to a larger screen (usually a television).

However, not all phones support MHL, currently, only Android phones and tablets have this feature.

How to connect the phone to the TV?

Note: You need to own MHL cable, including 3 heads: HDMI (MHL) for TV, USB for TV and MHL to the phone charging port.

1. Connect the corresponding ports to the television and phone respectively (2 heads for the TV, 1 for the phone).
2. Connection operation on TV: Source ⇒ Input ⇒ Select the connected HDMI port.
3. The phone screen will be projected on television.

A lot of users are experiencing audio problems when connecting to HDMI. In fact, to output audio to the speakers, you must use the HDMI (ARC) port.

HDMI port (without ARC) can only receive image data and audio from devices such as laptops, but cannot export.

How to connect the TV to the stereo:

Note: the sound system must have HDMI OUT port support

• Plug the HDMI cable into the HDMI (ARC) port.
• The other end plugs into HDMI OUT (with ARC) on the stereo.
• Connect to the TV. Source ⇒ Input ⇒ Select the connected HDMI port.
• Source ⇒ Input ⇒ Select the connected HDMI port.

STB, short for Step-Top-Box, is the decoder for your TV to connect to digital television, internet TV and digital receivers. This is the port that brings the best picture and sound quality.

The HDMI 1.4 version is old thus cannot meet the 4K movement of this era, this is also the reason for the introduction of HDMI 2.0. The HDMI 2.0 standard offers an upgrade in bandwidth up to 18Gbps, which is double that of HDMI 1.4. In addition, this standard also enables 4K format projection, up to 4 times the Full HD 1080p mode (1,920 x 1,080 pixels).

With the emergence of more and more electronic devices, HDMI was born to meet the needs of output screens between devices. That is also why the OneBattery charging station contains a 4K resolution HDMI port.

With OneBattey charging station:

You can easily connect laptops and phones to the big screen – No need to invest cables for each device, but can use common connectors such as Type-C port.

Experience top quality 4K sound and images – Whether from a computer or phone, OneBattery output the best sound and quality images. Not only for watching movies, but you can also play games on the TV thanks to the HDMI port from OneBattery.

Other features of OneBattery:

• It takes 3 seconds to connect and backup data
• Less than 1 hour for fast charging according to QC, PD standards
• It takes only 1 second to charge wirelessly
• Charge up to 9 devices at once, including your phone, tablet, laptop and smartwatch.
• Keep the air in your house clean with built-in ioniser fan.

The HDMI 4K resolution feature is convenient, other features are even better. OneBattery will certainly be the product your family needs. OneBattery from HiQ will be launched next month, don’t forget to follow us for updates on new features from OneBattery.

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