Standard DVD Player as external decoder/ampli

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February 11, 2010 at 02:51:15
Specs: Windows 2000, Intel Core2Duo 4600
Hi everybody out there! And thanks to all those techno savvy guys out there to whom I can pour out all my problems, doubts and get prompt and practical advices free of costs!

Just for curiosity's sake, would be possible to use a standard DVD player, e.g., LG DD345, DD446, etc which has amplifier by connecting it to a computer and use it as an external decoder for audio?

Ignorance Is Bliss!


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#1
February 11, 2010 at 13:11:24
The output from a pc is stereo (Left and Right)

If you hook it up to an amp which has dolby 5.1, 6.1 or 7.1 this would take this feed and disect it in to the relevant audio streams.

Same as hooking a dvd to an amp through phono leads.

Hope this helps.


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#2
February 11, 2010 at 15:48:26
"If you hook it up to an amp which has dolby 5.1, 6.1 or 7.1 this would take this feed and disect it in to the relevant audio streams."

No it would not. Dolby digital needs a digital signal to decode into it's discreet channels. This would be fed by a signal from a digital optical cable or a coax digital cable. The best you could do with a 2 channel analog signal it a pseudo surround using Dolby Pro Logic

kickqeelking, your post is a little confusing. Those DVD players do not have amplifiers in them. Are you trying to play a disc in the DVD player and have sound come out of your PC?


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#3
February 11, 2010 at 19:30:54
Lavindys and THX 1138 I thank you both for the replies.

THX actually it's the other way around. I am wondering whether it would be possible to use the decoder in DVD players, ie, instead of connecting the speaker to my pc soundcard would it be possible to somehow divert the sound signal or whatever into the DVD player using analogue or digital coaxial or optical (if possible at all!) and then connect the speakers to the DVD player. I hope my question is clear.

My question is based on the fact that I'd recently browsed through LG's website and some of their DVD players, according to them, has integrated amplifiers with dolby digital 5.1 and DTS. So it got me wondering, if instead of buying expensive AV receivers, it would at all be possible to somehow hook the DVD players and use the decoder or ampli or whatever (if so, that is) is integrated in them so that it would, sort of, be like an AV receiver??

Ignorance Is Bliss!


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#4
February 12, 2010 at 10:47:13
Are you sure about that? I've never heard of a DVD player having the amp built it and I can't find any such device on LG's site. Do you have a link?

If they do make such a beast the only way you could run Dolby Digital to it would be if your sound card has a digital output and the DVD player had digital inputs. But if you had the DVD player, then what would you output from the computer that would be in 5.1 surround?


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#5
February 14, 2010 at 21:31:52
You are right and I am stumped.

But please see this link: http://www.in.lge.com/Product/Produ...

Most probably I'm the one that's mistaken but they do claimed " built in full digital amplifier."

Ignorance Is Bliss!


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#6
February 15, 2010 at 08:32:22
Yeah I see that. I have no idea what they mean by digital amplifier but it has nothing to do with an audio amplifier so you could not use it like you want.

You can buy sound cards that will decode Dolby Digital and DTS signals if you want to go that route.


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#7
February 15, 2010 at 19:14:01
Okay, and thank you so much. I appreciate it. Am thinking of getting a good soundcard anyway.

Ignorance Is Bliss!


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