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90 posts

Master Geek
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Topic # 136633 3-Dec-2013 23:08 Send private message

Hi  

Despite a lot of reading and looking around, I am struggling to understand how to set up with HDMI ARC.

My understanding is that you would have say - an HDMI input into the TV, and then. additional to this   from the TV an HDMI ARC connection say to a soundbar.
So effectively the HDMI ARC cable would replace an Optical Digital cable?
So there are still two cables?

Or do I have this wrong, and, if you have a home theatre with the right connections  you cable you can get  away with a single cable to take the output from that into the tV.. and if its HDMI ARC then the same cable can take the sound back to play through the HT system.  Hence you can get away with one cable?   But in my soundbar example you would need the extra cable, unless you use something like Samsung Soundshare (if  they are both Samsung products) and so do it all wirelessly between the TV and soundbar.

I am planning on wall mounting my TV and just trying to work out how many HDMI cables I need to run into the wall... and if in fact one could be enough?

- thanks



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Just A Geek
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  Reply # 945059 4-Dec-2013 00:20 Send private message

You are correct..

If you have TV+AMP you would plug TV into AMP via HDMI and any sound you play on the TV (Freeview or an input on one of the other HDMI ports on the TV) will be send back to the AMP via HDMI cable to play on the external speakers.

If you had say PS4 plugged into the AMP it would play the sound on the external speakers. If you had a PS4 plugged into another HDMI port on the TV it will send to the AMP via the HDMI

If you had a sound bar only then the sound would be send to the sound bar via HDMI.

I have mine HT Set up as.

TV - HDMI 1 (ARC Compatible) - to Onkyo AMP
TV - HDMI 2 (PS4)
TV - HDMI 3 (XBOX One)
Onkyo AMP (Output) to HDMI 1 of TV
Onkyo AMP (HDMI Input 1) - SKYHD
Onkyo AMP (HDMI Input 2) - PS3
Onkyo AMP (HDMI Input 3) - Xbox 360
Onkyo AMP (HDMI Input 4) - Apple TV
Onkyo AMP (HDMI Input 5) - Rasberry PI
Onkyo AMP (HDMI Input 6) - Igloo

If I watch Freeview/PS4/XboxOne the sound will be sent to the AMP via ARC Protocol across the HDMI to play on external speakers on the AMP.
Any input I choose on the Onkyo AMP, sound will come out of external speakers and video will be send to the TV to show it.








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  Reply # 945102 4-Dec-2013 08:39 Send private message

LennonNZ: You are correct..

If you have TV+AMP you would plug TV into AMP via HDMI and any sound you play on the TV (Freeview or an input on one of the other HDMI ports on the TV) will be send back to the AMP via HDMI cable to play on the external speakers.

If you had say PS4 plugged into the AMP it would play the sound on the external speakers. If you had a PS4 plugged into another HDMI port on the TV it will send to the AMP via the HDMI

If you had a sound bar only then the sound would be send to the sound bar via HDMI.

I have mine HT Set up as.

TV - HDMI 1 (ARC Compatible) - to Onkyo AMP
TV - HDMI 2 (PS4)
TV - HDMI 3 (XBOX One)
Onkyo AMP (Output) to HDMI 1 of TV
Onkyo AMP (HDMI Input 1) - SKYHD
Onkyo AMP (HDMI Input 2) - PS3
Onkyo AMP (HDMI Input 3) - Xbox 360
Onkyo AMP (HDMI Input 4) - Apple TV
Onkyo AMP (HDMI Input 5) - Rasberry PI
Onkyo AMP (HDMI Input 6) - Igloo

If I watch Freeview/PS4/XboxOne the sound will be sent to the AMP via ARC Protocol across the HDMI to play on external speakers on the AMP.
Any input I choose on the Onkyo AMP, sound will come out of external speakers and video will be send to the TV to show it.



Wow - that's a lot of devices. here I was thinking the 8 inputs on my onkyo amp were over the top.

A question about the sound to the amp, what format will it pass? Will it pass DTS & DD? How about dts-hd & dd truehd or, is it just stereo sound returned?







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  Reply # 945133 4-Dec-2013 09:40 Send private message

@LennonNZ I didn't realize that the ARC would pass back any digital signal from the TV. I thought it would be limited to the audio from the TV's digital tuner. Is the signal passed back to the receiver bitstream or is it a down mixed stereo PCM?




Areas of Geek interest: Home Theatre, HTPC, Android Tablets & Phones, iProducts.

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  Reply # 945136 4-Dec-2013 09:43 Send private message

I'm not sure if its an issue with the ARC specification or the implementation in our equipment (although I suspect its probably the latter), but we are finding sound delivered by ARC to be very hit and miss.

We have a Panasonic 32" TV connected to a Panasonic home theatre system via HDMI with ARC configured. Approximately 50% of the time we turn on the TV and home theatre, the sound from the TV is played via the TV speakers instead of the home theatre ones. We need to restart the home theatre system to resolve this.

It's not our primary TV, so I've not spent a lot of time debugging why this may be happening. But it doesn't seem to be dependant on the order in which the components are turned on.

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  Reply # 945153 4-Dec-2013 10:00 Send private message

dclegg: I'm not sure if its an issue with the ARC specification or the implementation in our equipment (although I suspect its probably the latter), but we are finding sound delivered by ARC to be very hit and miss.

We have a Panasonic 32" TV connected to a Panasonic home theatre system via HDMI with ARC configured. Approximately 50% of the time we turn on the TV and home theatre, the sound from the TV is played via the TV speakers instead of the home theatre ones. We need to restart the home theatre system to resolve this.

It's not our primary TV, so I've not spent a lot of time debugging why this may be happening. But it doesn't seem to be dependant on the order in which the components are turned on.

Is viera link operating? If it is, is there the opportunity to set what mode it is operating in?




Areas of Geek interest: Home Theatre, HTPC, Android Tablets & Phones, iProducts.

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  Reply # 945164 4-Dec-2013 10:08 Send private message

Dingbatt:
Is viera link operating? If it is, is there the opportunity to set what mode it is operating in?


No idea, but I think so. Viera Link is what allows me to control the TV via the home theatre remote, isn't it? 

I'll have to dig around this weekend to see if I can find any further clues in this area.

Just A Geek
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  Reply # 945168 4-Dec-2013 10:12 Send private message

It is HDMI-CEC which does this auto turn on thingy not HDMI-ARC - ARC is thet the part of HDMI which sends the audio back :-)

When things are working right it should do something like the below video . - I just turned the TV on. It automatically turned the AMP on, used it as its sound output and win.

HDMI-CEC is rebadged via different people such as AnyNet+ (Samsung) ,Vieralink (Panasonic),RIHD (Onkyo)....... In theory they should just all talk to each other properly but sometimes they don't :-(.

PS4/PS4 and some other devices (I wish more did) have HDMI-CEC . Turn the PS4 on and the channel changes to its input type thing, turn the PS4 off and it will change back to the input you are using. Decrease the volume on the TV remote and the AMP will be sent to reduce its volume .






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  Reply # 945218 4-Dec-2013 10:42 Send private message

Dingbatt: @LennonNZ I didn't realize that the ARC would pass back any digital signal from the TV. I thought it would be limited to the audio from the TV's digital tuner. Is the signal passed back to the receiver bitstream or is it a down mixed stereo PCM?


I would be interested if anyone has tested this out also, I know with optical only TV produced audio was sent back in 5.1, hdmi input sound was downmixed to stereo only.

Just A Geek
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  Reply # 945254 4-Dec-2013 11:24 Send private message

NzBeagle:
Dingbatt: @LennonNZ I didn't realize that the ARC would pass back any digital signal from the TV. I thought it would be limited to the audio from the TV's digital tuner. Is the signal passed back to the receiver bitstream or is it a down mixed stereo PCM?


I would be interested if anyone has tested this out also, I know with optical only TV produced audio was sent back in 5.1, hdmi input sound was downmixed to stereo only.


Umm. just checked with the PS4 and the Xbox One..

the PS4 (plugged into the TV) and then via HDMI to AMP the AMP says its getting 5.1
the XboxOne (plugged into the TV) and then via HDMI to the AMP is ays it getting PCM 2 Channel and the XboxOne won't allow me to change it (gives error if I choose any other sound type outputs)

I guess it depends on the device itself. 

I may have to move the devices to the AMP (as I have 8 HDMI Inputs) if I can't get "better sound" sound working.

I've not tested the Freeview as of yet (as I have to find another cable to the wall)

But this I guess all depends on the TV capabilities.



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  Reply # 945257 4-Dec-2013 11:29 Send private message

LennonNZ:
NzBeagle:
Dingbatt: @LennonNZ I didn't realize that the ARC would pass back any digital signal from the TV. I thought it would be limited to the audio from the TV's digital tuner. Is the signal passed back to the receiver bitstream or is it a down mixed stereo PCM?


I would be interested if anyone has tested this out also, I know with optical only TV produced audio was sent back in 5.1, hdmi input sound was downmixed to stereo only.


Umm. just checked with the PS4 and the Xbox One..

the PS4 (plugged into the TV) and then via HDMI to AMP the AMP says its getting 5.1
the XboxOne (plugged into the TV) and then via HDMI to the AMP is ays it getting PCM 2 Channel and the XboxOne won't allow me to change it (gives error if I choose any other sound type outputs)

I guess it depends on the device itself. 

I may have to move the devices to the AMP (as I have 8 HDMI Inputs) if I can't get "better sound" sound working.

I've not tested the Freeview as of yet (as I have to find another cable to the wall)

But this I guess all depends on the TV capabilities.




Awesome, thanks for that. As you say, there would be a degree of capability from the source device in terms of changing the audio stream.

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  Reply # 945272 4-Dec-2013 11:50 Send private message

NzBeagle:
LennonNZ:
NzBeagle:
Dingbatt: @LennonNZ I didn't realize that the ARC would pass back any digital signal from the TV. I thought it would be limited to the audio from the TV's digital tuner. Is the signal passed back to the receiver bitstream or is it a down mixed stereo PCM?


I would be interested if anyone has tested this out also, I know with optical only TV produced audio was sent back in 5.1, hdmi input sound was downmixed to stereo only.


Umm. just checked with the PS4 and the Xbox One..

the PS4 (plugged into the TV) and then via HDMI to AMP the AMP says its getting 5.1
the XboxOne (plugged into the TV) and then via HDMI to the AMP is ays it getting PCM 2 Channel and the XboxOne won't allow me to change it (gives error if I choose any other sound type outputs)

I guess it depends on the device itself. 

I may have to move the devices to the AMP (as I have 8 HDMI Inputs) if I can't get "better sound" sound working.

I've not tested the Freeview as of yet (as I have to find another cable to the wall)

But this I guess all depends on the TV capabilities.




Awesome, thanks for that. As you say, there would be a degree of capability from the source device in terms of changing the audio stream.


So it would appear that the XBox1 is looking at the TV and seeing only the ability to provide stereo from the TV speakers, and therefore setting only that option. Good old Microsoft, saving ourselves from ourselves.

While my TVs are too old to have ARC, I make extensive use of CEC to run my AV systems. Can be tricky to setup but once it is working it is worth it and may help alleviate ARC issues (to steer thread back toward what the OP asked - sorry I diverted it).




Areas of Geek interest: Home Theatre, HTPC, Android Tablets & Phones, iProducts.

Just A Geek
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  Reply # 945791 5-Dec-2013 00:35 Send private message

I just found out the issue about the Xbox one..

http://forums.xbox.com/xbox_forums/xbox_support/xbox_one_support/f/4269/t/1625510.aspx?PageIndex=2

You have to set the Xbox One HDMI Settings and then you can choose different type output. Most ARC systems will only pass thru Dolby Digital (if I read it right) and at the moment the Xbox didn't ship with Dolby Digital output due to some issues so having the XboxOne plugged into the TV and then ARC to the AMP isn't ideal at the moment.




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  Reply # 945829 5-Dec-2013 07:45 Send private message

My Samsung TV is plugged into my Onkyo receiver via the ARC output. When material with encoded surround audio is played on the TV via Freeview, the full surround stream is output to the receiver.

Having just one cable for Audio to go to/from the TV/receiver is nice.

However, if I route my PS3 or other HDMI device via the TV instead of via the receiver, it only outputs stereo sound as the TV presumably announces itself as a stereo-only device during the HDMI capabilities negotiation.

HDMI-CEC is fantastic. My universal remote just sits in the drawer doing nothing now.






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Master Geek
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  Reply # 945994 5-Dec-2013 12:06 Send private message

stevenz: My Samsung TV is plugged into my Onkyo receiver via the ARC output. When material with encoded surround audio is played on the TV via Freeview, the full surround stream is output to the receiver.


With a Samsung TV using Soundshare to connect to a Samsung Soundbar instaed of ARC, I should expect to get the full surround stream as well?

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Master Geek
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  Reply # 946097 5-Dec-2013 15:30 Send private message

Its new technology and as such can be problematic from my experience, I had to return an AMP due to ARC issues.

I have a 2013 LG with ARC , I had connected it to a Pioneer AMP but the ARC would just drop off for no reason sometimes comeback really odd so I returned the Pioneer. 

I then went with a 2013 Sony AMP and ARC's been great decodes in surround without issue I can even see a Samsung Bluray player from the LG and activate it via the LG remote, so it seems the 'Standard' is working.

All I can say is that I have a computer setup as a DLNA server streaming through WIFI into the TV and outputting in surround to the AMP through ARC its stable and works well and no network or toslink cables.

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