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2014年9月29日星期一
Offers Screwable HDMI Cables and Adapters Online
Offers cable program the ideal connections for all high resolution HDTV signal transmissions of video and audio data. The crucial advantage of HDMI Cables is the ability to screw them to the HDMI socket which guarantees there is no strain on the cable and so ensures optimum signal connection.
The HDMI & DVI cables have been optimized for their length and their intended use and each are manufactured from the best possible materials. Care has always been taken to ensure an appropriate price performance ratio and to avoid any "over-engineering", especially in short lengths of cable.
HDMI & DVI cables and the corresponding HDMI/DVI adaptors have been especially developed for use and high definition HDTV signals (720p / 1080i / 1080p). Copper-based cables are perfect up to a length of 10 meters, for longer distances optical cables or HDMI repeater by cinemateq should always be used. As, particularly in the case of high resolutions (1080p), this is the only way to ensure excellent signal transfer quality.
Depending upon cable length HDMI & DVI cables have variable strength special shielding with its origin in professional studio technology. These ensure optimum signal transfer without any electromagnetic interference.
All plugs are fitted with gold contacts and screw connectors in order to guarantee an optimum plug connection with optimum signal transfer. Depending upon cable length (from 1 m to 10 m) the cables have variable strength shielding in order to keep them as flexible as possible.
The Highlights
screwable & gold-plated connectors for HDMI ( & DVI)
optimized for digital HDTV signals 720p / 1080i / 1080p
specially designed for use with cinemateq products
finishing, shielding & materials from professional technology
very good price / performance ratio
flexible cable materials, for optimum placement
optimum shielding against electromagnetic environmental influences
guarantees secure high quality signal transfer for up to 10 meters
Adapted to the digital cable assortment of Sanguan the SMD-founded adapters offer gilded connections as well as knurled screws (for hand-und screwdriver turn) for the secure mounting of the DVI Cables socket at the equipment.
2014年9月28日星期日
Cables to Go HDMI 1.3 Repeater Extends Signal
Increase the distance to reliably send an HDMI signal! This HDMI Repeater allows an HDMI cable distance to be extended to 40 meters using one unit or 60 meters using 2 units. This product has been thoroughly tested, and by using Cables To Go's Sonicwave™ cables, one can place a 20 meter cable from the source to this repeater. Then place another 20 meter cable behind the repeater to deliver 40 meters of "cable distance" (or 131 feet).
This new repeater employs voltage inserter so that it is powered at the source via the HDMI cable. This makes it easy for the unit to get power. One can place this unit 20 meters away and still power it where the source is and where power is readily available. Note: Only Cables To Go's new HDMI repeater extends HDMI by using the voltage inserter -- we have not seen this offered elsewhere.
The HDMI Repeater features a Female-to-Female connection for use with standard HDMI cables. Simply run one HDMI cable from the video source to the HDMI repeater. Connect a second HDMI cable from the repeater to the display. A specially designed inline HDMI power supply allows the HDMI Repeater to be powered from an outlet near the source device. The power supply connects to the source device via HDMI, delivering power to the repeater via the HDMI cable.
Specifications:
HDMI (v1.3 with support for Deep Color, CEC, x.v.Color™, lossless multi-channel surround sound)
Extend HDMI signal up to 200ft using SonicWave High Speed HDMI Cables
Unique voltage inserter (included) allows power supply to be placed at source
Supports full 1080p high definition video
Simple design and connections
Fully HDCP compliant HDMI Cable
2014年9月26日星期五
The Difference Between MHL Cable and SlimPort
It's easy to take for granted how conveniently plug-and-play so many of our devices are, these days. And millions of Android phones, which almost universally charge off of micro USB ports, can output video over MHL Cable, or Mobile High Definition Link.
But MHL isn't the only video standard that can output via a microUSB port; in 2012, Google introduced the Nexus 4 and the Nexus 7 with a competing standard called Slimport. The two are essentially competing to be the most convenient. MHL has an install base of millions, and outputs to the ubiquitous HDMI standard. But SlimPort offers something just a bit different: DisplayPort compatibility, which means it can easily output to a variety of video standards.
The MHL consortium announced a 3.0 spec on Tuesday, upping Mobile High Link's resolution support from 1080p up to 4K at 30 frames per second. Future Android phones and other devices that support the new spec will be able to push video at 3840x2160 while drawing up to 10 watts of charging power; they'll also support 7.1 surround sound audio and the HDCP 2.2 content protection standard. Of course, the 3.0 spec is mostly futureproofing, since 4K TVs are just beginning to show up in stores and homes.
MHL has found its way into more than 200 products at this point, with millions of devices on the market. SlimPort, by comparison, is available in only a few: Google's Nexus 4 and Nexus 7, the LG Optimus G Pro, a Fujitsu Windows 8 tablet and the ASUS PadFone Infinity. Last year Anandtech did a good job of summarizing what makes SlimPort different from MHL:
SlimPort's support for the DisplayPort standard--specifically Mobility DisplayPort--means it can output video at the same 4K resolution as MHL, though not via HDMI (yet, anyway). And here SlimPort hasn't really made good on its potential, yet; though it's based on the flexible DisplayPort standard, the only SlimPort adapters currently available are for VGA and HDMI connectors. The upshot is that you won't be plugging a Nexus 7 into a 1440p DisplayPort computer monitor anytime soon.
Since DisplayPort can pass along an HDMI signal, SlimPort more or less works like MHL right now. Both output from a phone's micro USB port and plug into a TV's HDMI Cable port. Both will support 1080p60 video. as the MHL 3.0 spec comes into play, the two may begin to diverge more noticeably--it'll especially be interesting to see if any more Android devices follow Google's lead in backing the SlimPort standard.
2014年9月25日星期四
Buy Premium HDMI Cables Worth the Cost?
If you step into Best Buy, Fry's, Microcenter, and most other electronics retailers on the search for an HDMI Cable you'll quickly be directed to “premium” products from companies like Monster and Rocketfish. Retailers argue that these products, which often cost between fifty and one hundred dollars for a simple six-foot cord, are the only way to go. But are these premium cables really worth the cash?
HDMI is a standard. What this means is that a consortium of companies including Hitachi, Sony, Toshiba, and others came together to decide on the technical specifications for a video and audio connection which would work with all of their products. No where do these standards state that cables need gold plating, high-purity copper conductors, or Mylar foil shields. They don't state that because such features are superfluous and have nothing to do with the operation of the standard.
The most important feature any HDMI cable can boast is compatibility with the most recent version of HDMI. This compatibility is in fact very inexpensive, and there are cables which can be purchased for less than ten dollars which are fully compatible with the HDMI standard and work as well as products costing fifty dollars or more.
The Standards to Look For
The most recent HDMI standard is HDMI 1.4. This standard adds new features like the HDMI Ethernet Channel, which allows an HDMI cable to transfer network signals between devices, and full support for 3D over HDMI. HDMI 1.4 cables are only really required if you intended to take advantage of those features, however, so a HDMI 1.3 cable will work well.
You'll also want to make sure that the HDMI cable you purchase is a Category 2 certified cable. Category 2 cables using HDMI 1.3 have a bandwidth of up to 10.2 gigabytes per second, which is more than enough for displaying high definition video with surround sound. It is interesting to note that some of the premium products do not actually appear to be Category 2 cables because their rated bandwidth is below 10.2 gigabytes per second. Be careful of this pitfall. Expensive products are not faster by default.
In summary, you'll want to purchase a HDMI 1.3 or 1.4 cable which is also rated as a Category 2 cable. Only cables which meet these standards are of high quality no matter the price tag or the language on the box.
Where to Buy
Some retailers do stock less expensive HDMI cables alongside the premium products and will reluctantly guide you towards them if you specifically ask for something less expensive. It is also possible to purchase these products online. Cable-wholesale.com is a well know distributor of inexpensive, high-quality HDMI Cables. Cable-wholesale.com also sells some great inexpensive HDMI cables.
Don't waste your money on a so-called premium HDMI Cables. It is entirely possible to buy a great six foot long HDMI cable for less than ten dollars. You don't need Mylar shields or gold plating. You just need a cable which supports the most recent HDMI standard and has the bandwidth to transfer information smoothly.
2014年9月24日星期三
What is MHL Cable and why should you need?
The first time we saw what looked like an extra HDMI port on a TV that was was labeled "MHL," we said, "Awesome!" Then we wondered, what the heck is MHL Cable? Think of it as a technology that turns a common MicroUSB cable into an HDMI cable, but with a few special features.
MHL stands for Mobile High-definition Link, and it's the brainchild of a group of companies—including Nokia, Samsung, Silicon Image, Sony and Toshiba—that wanted a specification that could be used to connect smart phones, tablets, and other devices to an HDTV. As you'd expect, MHL supports 1080p video as well as 7.1-channel digital multi-channel audio, so it's an easy way to send high-def videos from your portable device to your big-screen TV. Great, you might say, but can't we already do that wirelessly?
Yes, but MHL adds a few cool new tricks. One is that it sends control data through the same cable, so you can control the portable device using your TV's remote. The other is that the cable provides power, so you won't drain your portable device's battery while the media is playing.
If you have a smart phone that supports MHL (and many newer phones, such as the HTC EVO 4G LTE and Samsung Galaxy S III do) and an MHL-supported TV, then the quickest route to trying this new technology is to get an MHL adapter cable, which has a MicroUSB connector on one side and an HMDI slot on the other. Just connect the MicroUSB connector to your phone, then run an HDMI cable from your TV's input to the HDMI slot on the adapter. No additional gear is needed.
But even if you don't have an MHL-enabled TV, you can still watch content from your phone. Many MHL adapters have an additional port where you can plug in your portable device's Micro Usb HDMI Adapter so it won't power down. (Some may use a separate charging dongle attached to the adapter.) But you likely won't get the remote-control functionality.
In addition to MHL-enabled smart phones, we're starting to see a growing number of other types of MHL-enabled devices, including TVs from Insignia (Best Buy), LG, Samsung, Sharp and Toshiba. And we also just tested the first MHL-enabled Blu-ray players we've seen, from Sharp.
2014年9月23日星期二
Confused Different DVI Cables and DVI Connectors
Despite that in the home theater the digital video interface was soon superseded by HDMI Cable, yet it is still very much around. The problem for many is that the different types of DVI cables and connectors often represent nothing more but an incomprehensible interconnected mess.
Help is on the way! This short guide explains all there is the need to know about DVI interconnects.
The Digital Visual Interface, or DVI, was originally developed by the DDWG (Digital Display Working Group) in 1999.
It brought with it a number of different DVI cables and connectors to support the various signals that can be carried over a DVI interconnect.
However, it did not take long before this whole new mess of interconnects complicated itself even further. Soon, we saw the advent of a new digital interface that is closely related to DVI, the High Definition Multimedia Interface — or HDMI — and with it a whole new range of HDMI interconnects, HDMI to DVI cables, HDMI splitters, adaptors and HDMI connectors.
DVD players, digital cable and satellite set-top boxes, HDTVs, and home theater projectors, all represent prime targets for these digital connections. The new technology behind these connectors allows for direct digital connection between a digital source and the display device leaving you with pixel-for-pixel accurate images on your display. And though HDMI has become the de-facto standard in the high-definition video, DVI is still a very popular interface. By 2008, there were more than 100 million DVI-enabled devices around; and according to In-Stat.com, a marketing intelligence research group, shipment of DVI-enabled devices continued to increase till end-2011, following which shipments started declining by 9.4%; this annual decline rate is expected to continue till 2015.
This means that despite the dominant presence of HDMI, DVI-enabled devices are still very much present in both the home and the industry; coming across some DVI-enabled device is a reality that will remain with us for the years to come.
Digital Visual Interface Basics
The DVI connector can accommodate up to two TMDS (transition minimized differential signaling) links, the VESA Display Data Channel (DDC), the Extended Display Identification Data (EDID) services, as well as the red, green, blue and horizontal and vertical sync lines of an RGBHV analog video signal; the latter is included to safeguard backward compatibility with analog VESA video.
The use of TMDS means that DVI is fully compatible with both P&D and DFP (Digital Flat Panel) standards, and HDMI.
Each link in the DVI standard is made up of 3 data channels for RGB information and has a maximum bandwidth of 165MHz; this equates to 165 million pixels per second. Color support is up to 24-bit depth, with 8 bits per color. Each incoming 8-bit color data word is encoded by the DVI standard into a 10-bit transition minimized DC-balanced character, meaning that each pixel is represented by a total of 30-bits. This means that effective data throughput over a single link DVI cable is 4.95Gbps while in the case of dual link DVI, maximum data throughput is 9.9Gbps.
The only real major limitation of the DVI standard is the supported maximum cable length; this can be a serious hurdle to overcome in a dedicated home theater setup when connecting a DVI source with say a ceiling-mounted video projector.
This limitation arises out of the use of twisted-pair cable by the DVI Cables standard instead of coaxial cable to carry high bit-rate digital video, without employing any form of error correction. This can lead to severe problems with signal degradation over distance. At long cable lengths, cable quality becomes a critical factor that will affect the maximum supported bit-rate, and therefore signal resolution.
2014年9月22日星期一
How do consumers benefit from HDMI cable?
Quality: HDMI Cables transfers uncompressed digital audio and video for the highest, crispest image quality.
All-Digital: High quality HDMI cables, such as Monster Cables M1000DAV M Series Reference HDMI cable, ensure an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital-to-analog conversions.
Low-cost: When you consider what it would cost to purchase two separate high performance cables; 1 for video and 1 for audio; HDMI cables present a more cost-effective high performance solution combining both in a single cable.
Audio: HDMI cables support multiple digital audio formats, from standard stereo to multi-channel surround-sound.
Ease-of-use: HDMI cables combine video and multi-channel audio into a single cable, eliminating the cost, complexity and confusion of multiple cables currently used in many audio video systems.
Intelligence: HDMI cables support two-way communication between the video source (such as a DVD player) and the digital television, enabling new functionality such as automatic configuration and one-touch play.
What is the life expectancy of HDMI?
HDTV uses less than 1/2 of HDMI's available 5 Gbps bandwidth. With capacity to spare, HDMI can incorporate new technology advancements and capabilities long into the foreseeable future.
Is HDMI backward-compatible with DVI (Digital Visual Interface)?
Yes, HDMI is fully backward-compatible with DVI using the CEA-861 profile for DTVs. HDMI DTVs will display video received from existing DVI-equipped products, and DVI-equipped TVs will display video from HDMI sources.
Will current HD TVs and set-top boxes using DVI-HDTV be compatible with HDMI devices?
Yes. Currently there are TVs with HDMI to DVI HDTV inputs available from a variety of manufacturers. Those devices will be compatible with future HDMI-equipped products.
What types of video does HDMI support?
HDMI has the capacity to support existing high-definition video formats (720p, 1080i, and even 1080p). It also has the flexibility to support enhanced definition formats such as 480p, as well as standard definition formats such as NTSC or PAL.
2014年9月21日星期日
Why we should use HDMI Cable for Your Home?
Simply, because it's the best and most convenient audio/video connection you can buy. For practical purposes, HDMI is also the only way you can experience 1080p "full HD" video in your home.* This means that if you want to enjoy the full video potential of sources like Blu-ray players, HD set-top boxes and upconverting DVD players, you must connect each of them with an HDMI Cable.
There are a host of reasons why HDMI is superior to other connections:
All-digital signal transfer
Unlike older kinds of video interconnect cables such as component video, S-video and composite video, HDMI carries an uncompressed, all-digital representation of the data transmitted between components. Since the vast majority of this information originates in digital form and is displayed digitally on today's HDTVs, the HDMI interface eliminates the need for complex digital-to-analog and analog-to-digital processing stages before and after the cable connection, so the information remains in its purest form throughout the signal chain. The end result is an essentially perfect transference of all picture information for consistently dazzling image quality.
One-cable convenience
HDMI offers the same all-digital signal transfer for audio signals — up to eight simultaneous channels of high-resolution audio, that is — and it does so within the same single cable/connector configuration. Before HDMI, you'd need as many as three individual video cables, plus at least one individual audio cable, just to hook up a single audio/video component to your TV. With HDMI, all that information travels flawlessly through a single, reliable cable. In today's typical home theater, with its multiple source devices (cable and satellite boxes, Blu-ray and DVD players, gaming consoles, etc.), this translates to a much cleaner, less confusing system of wires behind the scenes.
Near-universal implementation
The surging popularity of HDTV and other high-definition technologies has made the HDMI connection a de facto standard on wide array of consumer electronics products. Today, virtually every HDTV, projector, receiver, DVR, Blu-ray player and cable or satellite box sold comes standard with at least one HDMI connection. You'll also find HDMI on multimedia PCs, laptops, gaming consoles, camcorders and digital still cameras, to name a few.
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