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Forums › Freeview (DVB-T/DVB-S) › TV3 only dolby digital 2.0


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Topic # 88326 13-Aug-2011 20:59
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i have noticed that the last few weeks tv3 has only been dolby digital 2.0. 

i have a samsung tv with freeview builtin and a yamaha reciver  the recever is showing 5 channels but hte tv isonly saying 2.0 and the rear speakers are not working

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  Reply # 506131 13-Aug-2011 23:46
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Search.

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  Reply # 506174 14-Aug-2011 09:09
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Seems to be OK here with my Sony TV and Amp.
The Amp shows Dolby Digital and the Blue light is lit up.
You only hear sound from the rear speakers when they are actually transmitting a program that has 5.1 sound content and there's not many that do yet.

 
 
 
 


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  Reply # 506178 14-Aug-2011 09:31
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merve0o0: i have noticed that the last few weeks tv3 has only been dolby digital 2.0. 

i have a samsung tv with freeview builtin and a yamaha reciver  the recever is showing 5 channels but hte tv isonly saying 2.0 and the rear speakers are not working


This is perfectly normal. The shows you are watching are obviously not in 5.1

TV3 broadcast fulltime AC3 5.1 however all stereo content is still broadcast as 2 ch stereo within a 5.1 wrapper so will only have the FL and FR speakers active.



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  Reply # 506201 14-Aug-2011 11:05
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yea i was just assuming that the movies would be in 5.1 as f&f4 was the other week but star trek was not, though the bits that are ment to be in the rear channel where just not there at all just kept going quiet

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  Reply # 506202 14-Aug-2011 11:13
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merve0o0: yea i was just assuming that the movies would be in 5.1 as f&f4 was the other week but star trek was not, though the bits that are ment to be in the rear channel where just not there at all just kept going quiet


Any shows that are in 5.1 and/or HD will have a logo at the start.

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  Reply # 506949 15-Aug-2011 18:35
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merve0o0: yea i was just assuming that the movies would be in 5.1 ... but star trek was not

Star Trek certainly was broadcast with 5.1 sound. I watched my recording of the film a couple of nights ago, and thought that some of the surround sound effects were particularly good.



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  Reply # 506951 15-Aug-2011 18:39
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ok odd i dont know how to get my tv to output 5.1 then. works five from usb or apple tv but not from freeview

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  Reply # 506956 15-Aug-2011 18:51
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I wonder if Samsung have actually enabled AC3 in their TV's yet? Certainly up until a year ago you could only select the AAC audio.

When you view TV3 does it show AAC or AC3 as the audio format and catch you switch between them?

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  Reply # 506961 15-Aug-2011 19:07
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merve0o0: ok odd i dont know how to get my tv to output 5.1 then. works five from usb or apple tv but not from freeview


I had this problem with my new Sony EX720 when I set it up a couple of momths back.
Couldn't get 5.1 sound from TV3 until I got into the menu and changed the Audio out parameter to Sound system instead of speakers. With speaker out selected it only outputs PCM via optical. A couple of other audio paramaters in the menu will turn 5.1 off too if set incorrectly. The iManual isn't much help in this respect.
Likewise 5.1 audio input to the TV via the HDMI will not feedthrough the optical out in 5.1 unless the Speakers are turned off and all the other parameters are set correctly. Just get PCM instead.Took some time to figure out the correct settings.
 It's also taken me two months to figure out how to get my old Sony Amp to decode PCM properly. The audio level from TV1 & TV2 was way below that from TV3 until I found a work around setting the other day.
I think it's about time I got a new amp with HDMI connectors.



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  Reply # 506970 15-Aug-2011 19:25
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when watching tv3 it has the option of HE-AAC 2.0 and dolby digital 2.0. I will have a look next time a hd show is on and try turning the speakers off.

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  Reply # 507148 16-Aug-2011 09:57
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merve0o0: ok odd i dont know how to get my tv to output 5.1 then. works five from usb or apple tv but not from freeview


Just asking the obvious question so don't hate me - were you watching TV3 or TV3+1?



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  Reply # 507214 16-Aug-2011 11:24
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Haha no prob yea I was watching tv3 I know 3+1 is not HD/5.1.

I think I is likaly to be a problem with my receiver I will double check how things are connected as the apple TV seems to be passing 5.1 via HDMI through the TV. But that's not ment to be possible

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  Reply # 507220 16-Aug-2011 11:32
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merve0o0: Haha no prob yea I was watching tv3 I know 3+1 is not HD/5.1.

I think I is likaly to be a problem with my receiver I will double check how things are connected as the apple TV seems to be passing 5.1 via HDMI through the TV. But that's not ment to be possible


I would tend to focus on the TV.  You said the TV is showing 2.0 and the receiver is showing 5.1.  This makes me think it is a TV problem as the receiver thinks it is getting a 5.1 signal.

What sort of cable are you using to feed the audio to the receiver?  Do you have a different type you can try?



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  Reply # 507225 16-Aug-2011 11:40
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i am using an optical cable as my reciver cannot take the audio off HDMI can only pass it through.

i will have a look tonight when something 5.1 is on and see if it says dolby 5.1 

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  Reply # 507234 16-Aug-2011 11:48
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merve0o0: i am using an optical cable as my reciver cannot take the audio off HDMI can only pass it through.

i will have a look tonight when something 5.1 is on and see if it says dolby 5.1 


OK, forget about trying other cable types, if it won't work on optical my bet would be the TV is not sending the correct signal for some reason.

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