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SD/HD sound level



 
 
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  #1  
Old January 5th 13, 11:17 PM posted to uk.tech.digital-tv
Jeff Layman[_2_]
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Posts: 880
Default SD/HD sound level

The sound level on freeview HD channels seems somewhat lower than that
from the equivalent SD channels on my Echostar HDT-610R PVR. Does this
happen with other PVRs (or TVs)?

I have a vague memory of a thread on SD/HD sound levels a short while
back. Or am I mistaken?

--

Jeff
  #2  
Old January 6th 13, 01:03 AM posted to uk.tech.digital-tv
Brian Gaff
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Default SD/HD sound level

I think its always been like that, however even in sd the channels levels
are all over the place and all the radio channels are louder still.

Brian

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"Jeff Layman" wrote in message
...
The sound level on freeview HD channels seems somewhat lower than that
from the equivalent SD channels on my Echostar HDT-610R PVR. Does this
happen with other PVRs (or TVs)?

I have a vague memory of a thread on SD/HD sound levels a short while
back. Or am I mistaken?

--

Jeff



  #3  
Old January 6th 13, 01:22 AM posted to uk.tech.digital-tv
Richard Tobin
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Posts: 1,351
Default SD/HD sound level

In article ,
Jeff Layman wrote:
The sound level on freeview HD channels seems somewhat lower than that
from the equivalent SD channels on my Echostar HDT-610R PVR. Does this
happen with other PVRs (or TVs)?


Yes, it's like that on my Panasonic TV. Oddly, if you record it onto
an attached disk, the volume difference goes away.

-- Richard
  #4  
Old January 6th 13, 10:30 AM posted to uk.tech.digital-tv
PeterC
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Posts: 868
Default SD/HD sound level

On Sat, 05 Jan 2013 22:17:22 +0000, Jeff Layman wrote:

The sound level on freeview HD channels seems somewhat lower than that
from the equivalent SD channels on my Echostar HDT-610R PVR. Does this
happen with other PVRs (or TVs)?

I have a vague memory of a thread on SD/HD sound levels a short while
back. Or am I mistaken?


My 3-yo Sammy is the same. It is a nuisance, as 15% volume is OK on SD but I
need 35%+ on HD, then I change channels...!
I did ask about this a couple of years or so ago, so there's been no change.
--
Peter.
The gods will stay away
whilst religions hold sway
  #5  
Old January 6th 13, 10:48 AM posted to uk.tech.digital-tv
Brian Gaff
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Posts: 7,824
Default SD/HD sound level

Probably due to some normalisation algorithm. Who knows. There do seem to be
a lot of niggling things that don't quite work correctly in Freeview. Is
this the same on Freesat as well?

Brian

--
From the Sofa of Brian Gaff Reply address is active
"Richard Tobin" wrote in message
...
In article ,
Jeff Layman wrote:
The sound level on freeview HD channels seems somewhat lower than that
from the equivalent SD channels on my Echostar HDT-610R PVR. Does this
happen with other PVRs (or TVs)?


Yes, it's like that on my Panasonic TV. Oddly, if you record it onto
an attached disk, the volume difference goes away.

-- Richard



  #6  
Old January 6th 13, 11:51 AM posted to uk.tech.digital-tv
Dave Plowman (News)
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Posts: 4,883
Default SD/HD sound level

In article ,
Martin wrote:
It's like that on Dutch cable, HD irrespective of country of origin is
always much louder than SD channels. Radio channels are all the same
level.



On Freesat HD is always much louder than SD.


It's usually the reverse here.

--
*I never drink water because of the disgusting things that fish do in it..

Dave Plowman London SW
To e-mail, change noise into sound.
  #7  
Old January 6th 13, 12:49 PM posted to uk.tech.digital-tv
Jim Lesurf[_2_]
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Posts: 4,567
Default SD/HD sound level

In article , Dave Plowman (News)
wrote:
In article , Martin
wrote:
It's like that on Dutch cable, HD irrespective of country of origin is
always much louder than SD channels. Radio channels are all the same
level.



On Freesat HD is always much louder than SD.


It's usually the reverse here.


It's quite clear from using an old version of VLC to listen to BBC HD that
many programs use drc settings, etc, that confuse VLC. The level hops about
all over the shop. Whereas ffmpeg (recent versions) has no such problem
when extracting the audio. Some programs are superb. Others are
unlistenable.

This seems to be part of the general problem of 'standards' evolving,
spawning, and becoming incompatable, or simply misused by broadcasters. I
doubt anyone at the broadcaster knows what happens once they chuck the
stream over the fence to the people who handle the rest of the chain. So
maybe HD RXs are also being caught out.

Can't say as I don't yet have an HD TV. Just use a computer for test
purposes. But it seems curiously akin to the way some web authors write
sites that work for *their* browser without any clue that the results
are awful when some other view them on different setups. "Fine leaving
here, so must be OK!" :-)

Slainte,

Jim

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  #8  
Old January 6th 13, 01:53 PM posted to uk.tech.digital-tv
David Park[_2_]
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Posts: 29
Default SD/HD sound level



"Martin" wrote in message
...

It's like that on Dutch cable, HD irrespective of country of origin is
always much louder than SD channels. Radio channels are all the same
level.
On Freesat HD is always much louder than SD.

If you mean UK Freesat the HD sound on BBC , ITV1 and Channel Four is lower
volume.
Also sometimes these go in Dolby Digital then on Ch 4 sound comes from wrong
speakers.
Regards
David

  #9  
Old January 6th 13, 02:01 PM posted to uk.tech.digital-tv
PeterC
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Posts: 868
Default SD/HD sound level

On Sun, 06 Jan 2013 13:07:50 +0100, Martin wrote:

On Sun, 06 Jan 2013 10:51:17 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article ,
Martin wrote:
It's like that on Dutch cable, HD irrespective of country of origin is
always much louder than SD channels. Radio channels are all the same
level.



On Freesat HD is always much louder than SD.


It's usually the reverse here.


That's odd. I use a Humax HD Freesat PVR. What are you using?


Well, I'm using a Hummy and the levels are the same.
--
Peter.
The gods will stay away
whilst religions hold sway
  #10  
Old January 6th 13, 06:24 PM posted to uk.tech.digital-tv
PeterC
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Posts: 868
Default SD/HD sound level

On Sun, 06 Jan 2013 14:14:04 +0100, Martin wrote:

On Sun, 6 Jan 2013 13:01:39 +0000, PeterC
wrote:

On Sun, 06 Jan 2013 13:07:50 +0100, Martin wrote:

On Sun, 06 Jan 2013 10:51:17 +0000 (GMT), "Dave Plowman (News)"
wrote:

In article ,
Martin wrote:
It's like that on Dutch cable, HD irrespective of country of origin is
always much louder than SD channels. Radio channels are all the same
level.


On Freesat HD is always much louder than SD.

It's usually the reverse here.

That's odd. I use a Humax HD Freesat PVR. What are you using?


Well, I'm using a Hummy and the levels are the same.


Which hummy?


Foxsat-HDR 500GB
--
Peter.
The gods will stay away
whilst religions hold sway
 




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