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Old 3rd December 2003, 11:55 AM   #1
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Default about Dolby 5.1 decoder

Hi DIYers !!!

I have a DVD player with a Digital Output (Coaxial and Optical) and only a stereo Analog Output. I'd like to know if I can build a decoder to obtain a 5.1 Analog Output (on 6 channels)? Does anyone can post plans of this decoder, please? I've already read all posts about the 5.1 subject, but I didn't find any solution to my problem . Sorry if I missed one.

Thanks for answering me. Good luck!
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Old 7th December 2003, 03:32 AM   #2
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Well, you can search www.zoran.com to find about decoder. The problem is: where can you buy the chips? I couldn't have find anywhere the chips, so, good luck !!!

Sorry for my english....
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Old 7th December 2003, 10:38 AM   #3
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Thanks ... but data sheets about audio decoder aren't accessable , do you have them ?
My first pb is not "how I can buy the processor" but "where can I find application data sheets"

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Old 7th December 2003, 03:24 PM   #4
tiroth is offline tiroth  United States
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They are not publically available.
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Old 21st December 2003, 03:40 PM   #5
kevyjo is offline kevyjo  United States
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You may want to check out the Smart Devices CS3xjr, it is an excellent analouge decoder for $129. (I've recommended this to a couple of people, I dont' work for them, just very pleased with their product). Circle surround is a big step up from normal dolby decoding.
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Old 21st December 2003, 04:53 PM   #6
sam9 is offline sam9  United States
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If one insists on a DIY approach, there is a surround project on sound.au.com, the ESP website.
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Old 21st December 2003, 04:58 PM   #7
Jax is offline Jax  Sweden
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Join Date: Nov 2003
Location: South Sweden
I did it another way...

I went downtown and found one of the stores selling out the obsolete Sony STR-SL5 receiver. It's a slimline design with 5x30W or so with a cooling fan. I got it cheap.

What's so nice with this receiver is that the power amp and power supply is separate from the rest. I intend to rip this board out and replace it with better power supplies and analogue outputs for external power amps.

There I have a complete preamp with DD/DTS and a radio to boot . Including a remote control.

DIY is not always from scratch
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Old 22nd December 2003, 12:51 AM   #8
nFORCE is offline nFORCE  Japan
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Corsairr and all Decoder DIY player.

I have a board using YSS932 from Yamaha. Which support DD 5.1/ DTS.
I have all control code, and have complete function code in MCU, which depends on your taste.

I have similar post in TRAD post but delete and warning by someone. Should you have any problem, please direct email to:

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