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-   -   Daft question but someone might know. (https://www.audiobanter.co.uk/uk-rec-audio-general-audio/8314-daft-question-but-someone-might.html)

Alan Crowder November 29th 10 11:46 AM

Daft question but someone might know.
 

I have a Virgin media TV box with HDMI output to the the television,
can I get an Amp to go in between to output sound to speakers then the
tv signal up to the TV?

I only have the one HDMI output on the Virgin box.

Thanks
Alan
--


Eiron[_2_] November 29th 10 12:07 PM

Daft question but someone might know.
 
On 29/11/2010 12:46, Alan Crowder wrote:
I have a Virgin media TV box with HDMI output to the the television,
can I get an Amp to go in between to output sound to speakers then the
tv signal up to the TV?

I only have the one HDMI output on the Virgin box.


Does your TV have a pair of phono sockets for audio out?
The easiest method is to connect those to an audio amp.
If the Virgin box has separate analog audio out you will have lipsynch
problems
due to the ~100ms picture delay on a digital TV.

--
Eiron.

Keith G[_2_] November 29th 10 12:18 PM

Daft question but someone might know.
 

"Alan Crowder" wrote in message
...

I have a Virgin media TV box with HDMI output to the the television,
can I get an Amp to go in between to output sound to speakers then the
tv signal up to the TV?

I only have the one HDMI output on the Virgin box.



I would have thought an AV amp with HDMI in and outputs would do the trick
but do check for yourself unless anyone else can confirm?



Jim Lesurf[_2_] November 29th 10 12:53 PM

Daft question but someone might know.
 
In article , Alan Crowder
wrote:

I have a Virgin media TV box with HDMI output to the the television, can
I get an Amp to go in between to output sound to speakers then the tv
signal up to the TV?


I only have the one HDMI output on the Virgin box.


I take it that the 'Virgin media TV box' has no output phonos?

I'm not sure as I've not needed one myself, but you may be able to get a
box that passes though HDMI whilst extracting the audio. If as spdif, you
can then use a DAC. IIRC The CYP one I've seen also provides a sync delay.

In the "If I were you, I wouldn't start from here" class, I suspect I'd
have wanted a TV and/or box with spdif output(s). The TV then might delay
this for you to maintain lip-sync. Dunno, I still happily use ye olde CRT.
:-)

Slainte,

Jim

--
Please use the address on the audiomisc page if you wish to email me.
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Armstrong Audio http://www.audiomisc.co.uk/Armstrong/armstrong.html
Audio Misc http://www.audiomisc.co.uk/index.html


Dave Plowman (News) November 29th 10 12:54 PM

Daft question but someone might know.
 
In article ,
Alan Crowder wrote:
I have a Virgin media TV box with HDMI output to the the television,
can I get an Amp to go in between to output sound to speakers then the
tv signal up to the TV?


I only have the one HDMI output on the Virgin box.


There's bound to be a way of doing it - but have you considered that many
modern TVs have a sound delay in them to bring the sound into sync with
the display? So taking the sound off before the TV removes this. The
phonos on the TV designed to feed an external sound system include this
delay.

--
*It's not the end of the world if you can't spell armageddon.

Dave Plowman London SW
To e-mail, change noise into sound.

Arny Krueger November 29th 10 02:03 PM

Daft question but someone might know.
 
"Dave Plowman (News)" wrote in
message
In article ,
Alan Crowder wrote:
I have a Virgin media TV box with HDMI output to the the
television, can I get an Amp to go in between to output
sound to speakers then the tv signal up to the TV?


I only have the one HDMI output on the Virgin box.


There's bound to be a way of doing it - but have you
considered that many modern TVs have a sound delay in
them to bring the sound into sync with the display? So
taking the sound off before the TV removes this. The
phonos on the TV designed to feed an external sound
system include this delay.


Good point.

Modern A/V receivers with HDMI I/O generally have an adjustable delay for
addressing this issue.

My HDTV's *only* output of any kind other than the picture is digital coax
(stereo, not multichannel), which does indeed have the proper amount of
delay for use with a standard DAC.

If I wanted multichannel, then I'd have to use one of the outputs of the
cable box. I've tested some of them and they all cause lip synch problems
unless additional delay is applied.



David Looser November 29th 10 02:30 PM

Daft question but someone might know.
 
"Arny Krueger" wrote

Modern A/V receivers with HDMI I/O generally have an adjustable delay for
addressing this issue.

My HDTV's *only* output of any kind other than the picture is digital coax
(stereo, not multichannel), which does indeed have the proper amount of
delay for use with a standard DAC.

If I wanted multichannel, then I'd have to use one of the outputs of the
cable box. I've tested some of them and they all cause lip synch problems
unless additional delay is applied.


An AV amplifier would have an adjustable delay feature to bring the sound
into time-alignment with the picture. If the OP wants multi-channel sound
then this is his best option, if he only wants 2 channel stereo then using
the digital audio output from the TV will do the job for a lot less dosh.

David.



Arny Krueger November 29th 10 03:31 PM

Daft question but someone might know.
 
"David Looser" wrote in
message
"Arny Krueger" wrote

Modern A/V receivers with HDMI I/O generally have an
adjustable delay for addressing this issue.

My HDTV's *only* output of any kind other than the
picture is digital coax (stereo, not multichannel),
which does indeed have the proper amount of delay for
use with a standard DAC. If I wanted multichannel, then I'd have to use
one of
the outputs of the cable box. I've tested some of them
and they all cause lip synch problems unless additional
delay is applied.


An AV amplifier would have an adjustable delay feature to
bring the sound into time-alignment with the picture. If
the OP wants multi-channel sound then this is his best
option, if he only wants 2 channel stereo then using the
digital audio output from the TV will do the job for a
lot less dosh.


I've heard that A/V amplifiers exist, but most people on this side of the
pond save a lot of money by going the receiver route. On Black Friday I saw
a 100 wpc multichannel receiver for under $100. The ad didn't give much
but brand and channel count. For sure, I saw 7.1 channels and HDMI for
under $200.



David Looser November 29th 10 03:55 PM

Daft question but someone might know.
 
"Arny Krueger" wrote in message
...
"David Looser" wrote in
message
"Arny Krueger" wrote

Modern A/V receivers with HDMI I/O generally have an
adjustable delay for addressing this issue.

My HDTV's *only* output of any kind other than the
picture is digital coax (stereo, not multichannel),
which does indeed have the proper amount of delay for
use with a standard DAC. If I wanted multichannel, then I'd have to use
one of
the outputs of the cable box. I've tested some of them
and they all cause lip synch problems unless additional
delay is applied.


An AV amplifier would have an adjustable delay feature to
bring the sound into time-alignment with the picture. If
the OP wants multi-channel sound then this is his best
option, if he only wants 2 channel stereo then using the
digital audio output from the TV will do the job for a
lot less dosh.


I've heard that A/V amplifiers exist, but most people on this side of the
pond save a lot of money by going the receiver route. On Black Friday I
saw a 100 wpc multichannel receiver for under $100. The ad didn't give
much but brand and channel count. For sure, I saw 7.1 channels and HDMI
for under $200.


A receiver is just an amplifier with a radio tuner in it.

David.



Keith G[_2_] November 29th 10 06:18 PM

Daft question but someone might know.
 

"Arny Krueger" wrote in message
...
"David Looser" wrote in
message
"Arny Krueger" wrote

Modern A/V receivers with HDMI I/O generally have an
adjustable delay for addressing this issue.

My HDTV's *only* output of any kind other than the
picture is digital coax (stereo, not multichannel),
which does indeed have the proper amount of delay for
use with a standard DAC. If I wanted multichannel, then I'd have to use
one of
the outputs of the cable box. I've tested some of them
and they all cause lip synch problems unless additional
delay is applied.


An AV amplifier would have an adjustable delay feature to
bring the sound into time-alignment with the picture. If
the OP wants multi-channel sound then this is his best
option, if he only wants 2 channel stereo then using the
digital audio output from the TV will do the job for a
lot less dosh.


I've heard that A/V amplifiers exist, but most people on this side of the
pond save a lot of money by going the receiver route. On Black Friday I
saw a 100 wpc multichannel receiver for under $100. The ad didn't give
much but brand and channel count. For sure, I saw 7.1 channels and HDMI
for under $200.



I checked, my AV amp (Sony STR-DG820) is a *receiver*!!

I never knew that!





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