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Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speakers

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  #1  
Old 4th March 2011, 11:54 AM
 
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Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speakers


Hello ,

I am trying to connect my laptop to 32" Bravia NX500 using HDMI. I get the picture but there is no sound via home theater ( DAV-DZ810 ) . When changed to , TV speaker works well .

My laptop is Sony Vaio Z series running with win7 64bit ( 1080p , i7 proc,8GB RAM and GE Force GT 330M )

In the playback devices I see Sony TV-1 NVDIA high definitiona )

Could anyone please tell me why sound doesnt come through home theater ?

Thanks
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  #2  
Old 4th March 2011, 12:27 PM
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

Quote:
Originally Posted by sanro View Post
Hello ,

I am trying to connect my laptop to 32" Bravia NX500 using HDMI. I get the picture but there is no sound via home theater ( DAV-DZ810 ) . When changed to , TV speaker works well .

My laptop is Sony Vaio Z series running with win7 64bit ( 1080p , i7 proc,8GB RAM and GE Force GT 330M )

In the playback devices I see Sony TV-1 NVDIA high definitiona )

Could anyone please tell me why sound doesnt come through home theater ?

Thanks
I dont think sony has hdmi out from the TV , see if you have a digital or optical coaxial out from tv to your HTIB. Did u try giving Laptop to HTIB -> TV.
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Old 4th March 2011, 01:19 PM
 
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

Quote:
Originally Posted by sanro View Post
Hello ,

I am trying to connect my laptop to 32" Bravia NX500 using HDMI. I get the picture but there is no sound via home theater ( DAV-DZ810 ) . When changed to , TV speaker works well .
You mean you don't get audio through DAV-DZ810 speakers when you connect the Laptop to TV via DAV-DZ810, but you get audio through TV speakers when you connect the Laptop directly to TV?
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Old 4th March 2011, 02:08 PM
 
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

[Q.UOTE=ontherocks;226041]You mean you don't get audio through DAV-DZ810 speakers when you connect the Laptop to TV via DAV-DZ810, but you get audio through TV speakers when you connect the Laptop directly to TV?[/QUOTE]

Yes..

I connect my laptop to LCD using HDMI. DAV-DZ810 is already connected to LCD via HDMI. TATA SKY HD is connected to LCD via HDMI for audio and Optical to DAV-DX810 for audio ( 5.1 ) .

So , when I check all HDMI connections , e.g.

HDMI 1 - for DVD - Works fine
HDMI 2- TV ( tata sky ) works fine.
HDMI 3 - detects laptops and shows proper video. but no sound .
Using TV remote when I change Audio channel to TV speaker, I get sound from tv speaker and not laptop speaker.
Its the same thing when I change from HDMI 3 to HDMI 4

Now , when DAV-DZ810 was setup by sony folks, I remember testing laptop and it was working . I had played Dark night HD and other sound demo videos on youtube. ( that time Tata sky hd was not connected to the system )

Not sure what went wrong.
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Old 4th March 2011, 02:11 PM
 
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

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Originally Posted by kittu1977 View Post
I dont think sony has hdmi out from the TV , see if you have a digital or optical coaxial out from tv to your HTIB. Did u try giving Laptop to HTIB -> TV.
No , I din't try that .
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Old 4th March 2011, 02:28 PM
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

I think all are HDMI 1.3 & so HT DAV-DZ810 cant get sound from HDMI(audio return)
You have to output audio seperately.If lapy has digital out,add to HT setup & it will work.
Else only stereo sound.
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Old 4th March 2011, 04:04 PM
 
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

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Originally Posted by spirovious View Post
I think all are HDMI 1.3 & so HT DAV-DZ810 cant get sound from HDMI(audio return)
You have to output audio seperately.If lapy has digital out,add to HT setup & it will work.
Else only stereo sound.
Thanks. But as I said earlier , it was working .

DVD player works fine when connected to LCD via HDMI ..
TATA sky also works with connected to LCD via HDMI ( with no optical connected specially for 5.1 )

Similarly , I would expect DVD/Receiver HDMI to receive sound from LCD for the content that is being played on the laptop .

I was wondering if "HDMI Device" not being showed in the playback devices has anything to do with this issue . Currently I see Speaker/realtek and Sony-Tv1 NVDIA High Definition audio only.

It appeares that multiple issues have been reported about missing " HDMI device " from playback devices option .
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Old 4th March 2011, 04:15 PM
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

Does HT system has audio return option?Have you set that?
Did you set your primary sound device as HDMI in Lapy?
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Old 4th March 2011, 05:51 PM
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

Check if you have any audio output from TS STB to Receiver. As earlier suggested, HDMI version 1.3 do not have audio return channel.

Also, let us know the reason for such setup if your Receiver supports HDMI input (or not?). You could connect the optical output of LCD to Receiver as a workaround.
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Old 4th March 2011, 07:38 PM
 
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Re: Sony setup ( Laptop -> HDMI->LCD->HDMI-HTIB) - No sound from home theater speaker

In my desktop motherboard driver CD i remember , a HDMI audio driver exists. So came to know that in order to output audio apart from video i need to install this driver. But since i am using a DVI monitor i havent installed the driver.

So if you were given a driver CD, search for any hdmi audio drivers. Surely it will work out.


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