Using HDMI ARC Read the Fine Print Twice

pcbinary June 27, 2021 0 Comments

Play Audio From Mac on TV

You can also run into a similar issue when you have no sound on the TV youhave connected to your Mac via HDMI. If that’s the case, here is what you cando: 1. Open “System Preferences.” 2. Select “Sound.” 3. Select the “Output” tab and select “HDMI.”In rare cases, the HDMI cable can transfer the picture but leave the soundout. That can happen if your cable is too old. Check your HDMI cable. Look forcracks or sharp bends that could prevent the audio from playing. Check theport of your cable for bent pins.Try the same steps we described above and reset the PRAM and SMC on your Maccomputer. The sound should now be working. If not, replace the HDMI cable witha new one.

Using HDMI ARC: Read the Fine Print (Twice)

Even though HDMI ARC has been around since HDMI 1.4 (released in May of 2008),the way manufacturers have implemented it ranges from “very well and clearly”to “halfway and hazily” all the way to “not at all”.With that in mind, the best thing you can do is read the fine print, andclosely at that. Don’t think we say that flippantly, either—we actually meanit both literally and figuratively. Look at the tiny finely printed labels onthe HDMI ports on both your HDTV as well as the speaker system or receiver youwish to pipe it out to. Here’s an example from the back of a Vizio TV:We’ve got to hand it to Vizio on this one. Some manufacturer’s only labeltheir HDMI ARC ports as “ARC”, some don’t even label them at all, but Vizioactually slapped both “Audio Out” and “ARC” on there, giving poor consumers afighting chance and figuring out exactly what’s going on.In other cases, even when the port is labeled, it’s can be a bit confusing. Inthe case of this Sony sound bar, seen below, the ARC port is labeled “TV(ARC)” and “HDMI Out”. This labeling reflects that the soundbar is also anHDMI switcher, so you’re supposed to plug your HDMI-based gear into the barand then the bar into the TV (so the ARC port is actually functioning both asan HDMI out from the bar as well as TV in for the ARC-delivered sound).Not only might you find yourself reading the fine print on the actual case ofyour devices, but you may end up needing to read the fine print in the actualmanuals—some ports work automatically, for example, and other times you’llneed to turn the port on in the audio menu of your TV. Not only domanufacturers often not label the HDMI ARC port, but there are many times oddmanufacturer imposed limitations on the implementation of the ARCspecification.Ideally, any sound piped into the TV or created on the TV (by, say, your cablebox or the Netflix app on the TV) should be passed over the HDMI-ARCconnection to your connected speakers. In practice, some manufacturers andmodels have weird rules regarding how the sound is delivered. For example,some TVs will only pass along the sound that is generated directly on the TVitself (by, say, the internal over-the-air tuner or a built-in smart app) butwill not pass along sound that is piped in by one of of the HDMI ports (say,from your attached Blu-ray player). The only way to figure this out, short ofhair-pulling trial and error, is to read the manual for both your ARC-capableHDTV and your ARC-capable speaker system or receiver.Finally, there is one rare pitfall that not too many people these days willrun into. If you have two ARC-capable devices, but the sound delivery isn’tworking, consider replacing your HDMI cord. If you have a very old pre-HDMI1.4 cord its worth picking up a cheap new HDMI cord off Amazon for a few bucksto ensure the cord is compliant with the new specifications. This six foot $7model from AmazonBasics will get the job done and is clearly labeled as ARC-compliant.* * *Although it hasn’t been implemented perfectly across the industry, if yourdevices support it HDMI ARC is a great way to use your HDTV as a central hub,pipe out your audio to your speakers, and cut down on cable clutter in theprocess.How to Adjust Computer Screen Size on TV?How to Adjust Computer Screen Size on TV?In this article, we will discuss the methods to adjust the computer screen orlaptop screen on the TV. The question arises why there is need of adjustingcomputer screen on the TV.It is used in many purposes like to give a lecture to the class or to watch amovie on your TV and for video gaming. Kids love to watch cartoons on TVscreens and you can attach your laptop for this purpose. I love to play livestreaming games after connecting my computer with the TV.Before going into the details of adjusting the computer screen or laptopscreen on TV, you must connect it with a TV. I have explained proven methodsthat will help you connect your laptop with a TV.

How to Connect Laptop to TV?

First of all, we have to know the ways to connect a laptop or computer to theTV screen. There are different ways to connect a laptop to the TV:

Connection of laptop to TV by HDMI Cable

It is the cheapest way to connect a laptop to the TV screen by HDMI cable.Because it gives you the best picture and audio quality. An HDMI cable managesaudio as well whenever you connect a laptop to screen of a TV.To connect a laptop to screen you need to plug an HDMI cable plugged into alaptop and another side plug into the TV screen. It will connect automaticallyif you are using a new version of a window and you don’t need to set itconnects automatically. Just switched on your laptop and it will show it onthe screen.Click here to buy an HDMI Cable from Amazon.If it does not connect automatically then click on the start button and go tothe Control Panel > Display > Adjust Resolution, there you have to select theoption TV.1– Turn your laptop and TV on.2-Connect your HDMI cable to both your TV and laptop.3-Select the HDMI input on TV by pressing the AV button.

Connection of laptop to TV by using VGA cable

The second way to connect your laptop to TV is by using the VGA port on bothdevices. This method implies on those are having an old computer. One shouldknow that VGA cable only gives video output it does not give you an audiooutput.Click here to buy VGA Cable from Amazon.So you should connect another 3.5 Metter cable to connect with it fromheadphone socket of the laptop to TV audio port to give audio output.If it is not working automatically then go to Control Panel > Display > AdjustResolutions. 1. Turn ON laptop and TV on. 2. Connect VGA cable to both your TV and Laptop. 3. Now connect 3.5mm audio jack to the headphone out port on the laptop and audio in TV.

Connection of laptop to a TV using USB

In this connection, the USB port of laptop is connected with the USB port ofthe TV. But it does not give you proper results. Some adapters are availablethat converts USB port into HDMI cable.If you have that adapter then you must install adapter software in your laptopfor better results. Connects the cable on both sides of the port and laptopscreen will show up on the TV screen.

Connection of laptop to TV using external hard drive

New TV or LED contains the USB port. It is a very easy way to watch thecontents that are saved on your laptop, you can easily watch it on the bigscreen of the TV. You can watch the videos or any content by transferring thedata into the USB and then connects it with the USB port of TV screen.Data can also be saved in other hard drives like floppy and then plugging intothe port and it can be watched on a TV screen. 1. File format should be compatible with the TV. 2. Copy file to a hard drive. 3. Plug USB to TV. 4. Select the USB channel on TV. 5. Play the desired video.

Wirelessly connection of laptop to TV

It is an advanced form of the laptop that connects to TV wirelessly, allexpensive laptops have this feature. It is a very beneficial method that onecan connect a laptop without the tensions of cables. Advanced laptops havethis feature built in it.They contain wireless system in them. They also require the receiver of theirchoice. If your TV contains that feature you can easily connect wirelesslyyour laptop with TV.There are also some techniques in which wireless device is connected into theHDMI port of the TV and also to the laptop for the connection. And one caneasily connect a laptop to the TV but it is not a cheap method it costs morethan another method of connections but it gives high quality of the picture.There are some wireless techniques to connect a laptop to a TV screen:

HDMI CEC control

Another HDMI feature is called CEC, or Consumer Electronics Control. Nearlyevery company has their own name for it, including SimpLink, Anynet+, BRAVIASync, and others. In theory, CEC will let the remote from one piece of gear tocontrol another, as long as they’re connected with HDMI. For instance, inSetup 1 above, your TV’s remote can adjust the volume on your sound bar.However, there’s no guarantee it will work, especially across different brandsor ages of gear. If there’s any aspect of ARC setup that’s going to cause youagony, it’s this. You might not be able to realize the dream of using oneremote, unless you get a universal remote control. If it doesn’t work, though,Google might help. It could be as simple has having to turn on your gear in acertain order. But in the end, this control aspect just might not function.

eARC and HDMI 2.1

The latest version of the HDMI interface is HDMI 2.1, and it offers numerousimportant changes. Relevant to us here is eARC, or enhanced Audio ReturnChannel.While Dolby Atmos can be passed over regular ARC today (via Dolby DigitalPlus) eARC offers improved bandwidth for higher-quality Dolby TrueHD and DTS-HD Master Audio streams, including Atmos.The new format also has lip-sync compensation built-in. This feature wasoptional in ARC but is now required. This lets you more easily line up thesound with the visuals, something that has always been an issue in the modernTV era.HDMI LicensingTo take advantage of the new features, both pieces of gear must be eARCcompatible. Fortunately, eARC is available in far more gear than just high-end8K TVs. From 2019 onward, compatible devices include the Sonos Beam, theYamaha RX-V6A and the Sony X950. The format is backward-compatible with ARC,but don’t expect to stream Atmos through an older TV. Even though most new TVsdon’t need the other features of HDMI 2.1, manufacturers can implement mostuseful portions of HDMI 2.1, such as eARC.You probably don’t need new HDMI cables for eARC. Older cables with Ethernet,either Standard or High Speed, will work. The new Ultra High Speed cables willwork as well, of course. But chances are your current cables have Ethernet andyou didn’t even know it, so they’ll probably work, too.

The Benefit of HDMI ARC

HDMI ARC transfers audio from a TV to a home theater receiver with the sameHDMI connection that transfers video from the home theater receiver to the TV.With HDMI ARC, you can hear TV audio through a home theater audio systeminstead of the TV’s speakers without also connecting analog or digital opticalaudio cables between the TV and home theater system.


eARC (Enhanced Audio Return Channel) was developed and incorporated into HDMIversion 2.1 to overcome the limitations of ARC. eARC began to be implementedon TVs and home theater receivers in 2019.eARC adds the ability to transfer immersive audio formats, such as DolbyAtmos, DTS:X, and 5.1/7.1 channel uncompressed PCM audio from HDMI-connectedsource devices, as well as all audio from smart TV streaming apps. This meansthat on TVs with eARC, you can connect all audio and video sources to the TV.The audio from those sources can then be transferred from the TV to an eARCcompatible home theater receiver through a single HDMI cable connection.HDMI LicensingTV makers don’t always publicize which audio formats are supported on each TV.With both Audio Return Channel and Enhanced Audio Return Channel activation,steps may also vary. Check your user guide or contact tech support for theexact activation steps and features.TVs and home theater receivers that aren’t HDMI 2.1 compatible cannot beupgraded to accommodate eARC.

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