ATV3 to BV7-32 Mk III Dolby 5.1 not working properly

19 replies

Dear BeoWorld,

Looking for some advice please on not getting proper Dolby 5.1 sounds on my BV7-32 Mk III. I have an Apple TV3 connected to my BV7-32 Mk III via an HDMI to DVI-I cable for video and via TOSlink to a NEET DAC 2000 then onwards by two RCA cables to the BV7-32.

I get good sound quality, but not full 5.1 surround sound when on Speaker Option 5, I run a 5.1 check on YouTube and the front speakers and central speaker all work, but the rear speakers sounds comes out of the front in a rather muted manner and the LFE doesn't function at all. However, when I check the speakers on the BV setup they all work well and when Speaker Option 4 is selected all work fine.

Is the problem the NEET DAC not passing through the 5.1 signals or is it my BV7-32 not handling it properly?

Any/all thought advice would be appreciated, thanks!

Best, Rob

 

The two RCA's gives you a stereo signal - you can't get any real 5.1 sound that way.

Probably the tv (the surround module) upmixes the stereo signal. Have a look in the Sound Settings, what the in- and output is.

Ever thought of using the digital out of the ATV instead (you'll need a converter toslink to coax for that).

By the way - Speaker4 is 'double stereo' - which has nothing to do with 'surround sound'.

MM

 

Location: Flensborg————Danmark

Millemissen wrote:

The two RCA's gives you a stereo signal - you can't get any real 5.1 sound that way.

Probably the tv (the surround module) upmixes the stereo signal. Have a look in the Sound Settings, what the in- and output is.

Ever thought of using the digital out of the ATV instead (you'll need a converter toslink to coax for that).

By the way - Speaker4 is 'double stereo' - which has nothing to do with 'surround sound'.

MM

There is a tv - and there is a BV.

If you choose to use the SPDIF to coax convertor you also need to ensure that the AP and DSM software are up to the latest levels to support the digital audio input. I would suggest contacting your local dealer to assist you further as this is a job for a service engineer.

Hi MM,

Thanks. I may not have been clear in my description I am using the optical digital output of the ATV (TOSlink to coax converter) already (that's the NEET DAC).

best, Rob

Hi w5bno123,

Thanks, I think you might be onto something here. Do you know how I determine the revision levels of the AP and DSM software? Also does anyone know a reliable B&O engineer in the South UK (my dealer retired a few years ago, sadly)?

best, Rob

Sorry - a DAC (also the NEED DAC) converts a digital (coax or optical) to analog RCA.

Do you have the digital connected in addition to that?

And you should concider the suggestions from w5bno123 as well, if that is the case.

MM

Location: Flensborg————Danmark

Hi MM,

For video I connect the ATV3 to BV with HDMI to DVI-I cable. For audio I only have one route which is Optical from ATV3 to DAC then coax from DAC to BV going in via RCA/Coax feeds associated with the DVI-I channel.

Is there an alternative channel, not sure I can see one? 

Thanks, Rob

RobN wrote:

Hi MM,

For video I connect the ATV3 to BV with HDMI to DVI-I cable. For audio I only have one route which is Optical from ATV3 to DAC then coax from DAC to BV going in via RCA/Coax feeds associated with the DVI-I channel.

Is there an alternative channel, not sure I can see one?

Thanks, Rob

Rob, is your DAC just a DAC or also a Optical to Coax converter?

If the former then your DAC takes the optical feed (it may well have a Coax Input next to the Optical input but it's irrelevant in this conversation) and converts that optical feed to normal ANALOGUE STEREO... which it outputs via traditional 2 Channel RCA (Left/Right - normally they'd be marked Red and White). In this setup you are feeding the BV 2 channel stereo, NOT 5.1

What you need is a optical to coax converter (ie not a DAC) this simply converts the ATV3 optical to Coax (this is a single RCA input which takes a digital feed so no need to convert to analogue)

What kind of video are you trying to play, i.e are you playing a 5.1 compatible video bought in iTunes, or are you mirroring your desktop and playing a .mkv through VLC?

 

What kind of video are you trying to play, i.e are you playing a 5.1 compatible video bought in iTunes, or are you mirroring your desktop and playing a .mkv through VLC?

 

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