What is HDMI Port

Author: pakite

HDMI (Full name: High Definition Multimedia Interface), HDMI is type of Digital Audio/Video Connection Jack, it’s for transmission digital AV Signal , HDMI could transmission audio and video at the same times, The maximum data transmission speed is 5Gbps. And it’s no need to convert Digital to Analog or Analog to Digital signal before transmission. HDMI also support HDCP(High -bandwidth Digital Content Protection) to prevent unauthorized copying of copyrighted audio and video content. The extra space available in HDMI can be used in future audio and video formats. And because a 1080p video and an 8-channel audio signal needs less than 4Gbps, so there is a lot of storage . This allows it to connect the DVD player, receiver and PRR with a single cable.

HDMI advantages

HDMI not only meet the resolution of 1080P, but also supports DVD Audio and other digital audio formats, support for eight-channel 96kHz or 192kHz stereo digital audio transmission. HDMI support EDID, DDC2B, so HDMI devices support "plug and play", between the source and the display will automatically "negotiate", automatically select the most appropriate video / audio formats. Compared with DVI , HDMI interface with smaller size, DVI cable length can not exceed 8 meters, otherwise it will affect the picture quality, and HDMI can be transmitted up to 15 meters. As long as an HDMI cable, you can replace up to 13 analog transmission lines, can effectively solve the home entertainment system behind the connection tangled problem.

HDMI development

HDMI Licensing, LLC released HDMI Specification Version 1.4a on March 4, 2010, featuring key enhancements to 3D applications on behalf of HDMI Original Developers,  the inclusion of mandatory 3D formats for broadcast content, and the  Top-and -Bottom's 3D format. As the "HDMI 1.4" no clear boundaries , can not display the specific support of the device technology, so in this specification completely ban the use of "HDMI version 1.4" of this version number identification method. According to the new version of the "Trademarks and Logo Usage Guidelines", HDMI cable manufacturers prohibit the use of version numbers when selling and promoting HDMI version 1.4 cables. Older cables should be removed within one year from all versions identified by the version number Labels, instructions, packaging and so on.

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300 meter HDMI wireless video transmitter

Author: pakite

With time goes by, HDMI jack has full in the market, so market develop HDMI Jack wireless video transmitter(known as wireless tv sender).

HDMI Jack wireless video transceiver means it is not Full HD resolution, PAKITE New model HDMI wireless video transmitter is 720x576p resolution. Ful HDMI video transmitter cost is much high than SDI, and it's transmission range is too short( about 10 meter at open space), so many of clients would not choose Full HDMI video transceiver.

PAKITE new model is keeping the long range transmission range( about 300 meter at open space for transmit the HDMI signal); support one transmitter and many receiver( full HD wireless video transceiver do not support like that); new model support IR Remote control at television end.

Finally but most important is the full HDMI video transmitter is very expensive, for end user may cost about 200-300usd per sets or more expensive. As for PAKITE Brand HDMI jack wireless video transmitter for sample only cost around 80usd. 720X576P also meed people’s daily requirements if not for professional device.

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Did you have HDMI Wireless AV Sender?

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HDMI 1.3 and HDMI 1.4 Interface | PAKITE

Author: pakite

Does PAKITE HDMI av sender support HDMI 2.0 edition?

PAKITE launched a 300 meters HDMI video sender (known as HDMI av sender) latest, and this new HDMI product got many good reviews from many family. The article is an answer for HDMI interface edition which some customer asked.

HDMI known as the High-Definition Multimedia Interface, It is the first digital interface to support uncompressed digital high-definition, audio and smart format and control command data on a single cable.

1, Ethernet channel: HDMI 1.4 edition increase the data pathto achieve high-speedtwo-way transmission. Devices that have this capability will be able to send and receive data at 100 Mb / s over Ethernet. The HDMI Ethernet channel allows an integrated Internet-enabled HDMI device to share its Internet connection with other HDMI devices without using other Ethernet cables.

2, Audio return channel: the latest HDMI adds an audio channel for reduce the processing and playback of audio upload the required number of cables. HDTV directly receives audio and video content, the new audio return channel allowing high-definition TV without additional cable and using the HDMI cable to send audio to the A / V receiver.

3, 3D HDMI : Specification 1.4 HDMI devices for the definition of the common 3D format and resolution, this specification make 3D system input / output part of the standardized, standard resolution up to dual-channel 1080p.

4,4096 × 2160 resolution: the latest specifications for HDMI devices can support four times the resolution of 1080p HD resolution. The new specification supports 4096 × 2160 resolution, making the HDMI interface to be used in many digital cinema with the same standard resolution of the content transmission.

5, the expansion of support for color space: HDMI technology is now available for digital cameras designed to support the color space. HDMI-capable display devices support the sYCC601, Adobe RGB, and Adobe YCC601, providing a more accurate, realistic color when connected to a digital video camera.

PAKITE Brand 300 meters HDMI AV Sender support the newest HDMI 2.0 edition.