about Dolby 5.1 decoder

Corsairr · 3rd December 2003, 12:55 PM

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!

liweitseng · 7th December 2003, 04:32 AM

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....

Corsairr · 7th December 2003, 11:38 AM

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"

thanks

tiroth · 7th December 2003, 04:24 PM

They are not publically available.

kevyjo · 21st December 2003, 04:40 PM

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.

sam9 · 21st December 2003, 05:53 PM

If one insists on a DIY approach, there is a surround project on sound.au.com, the ESP website.

Jax · 21st December 2003, 05:58 PM

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

nFORCE · 22nd December 2003, 01:51 AM

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:
50140834@alumni.cityu.edu.hk

Regards,
nFORCE

3rd December 2003, 12:55 PM	#1
Corsairr diyAudio Member Join Date: Dec 2003 Location: In Toulouse	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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7th December 2003, 04:32 AM	#2
liweitseng diyAudio Member Join Date: Dec 2003 Location: Argentina	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....

7th December 2003, 11:38 AM	#3
Corsairr diyAudio Member Join Date: Dec 2003 Location: In Toulouse	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" thanks

7th December 2003, 04:24 PM	#4
tiroth diyAudio Member Join Date: Dec 2001 Location: Pittsburgh, PA, USA	They are not publically available.

21st December 2003, 04:40 PM	#5
kevyjo diyAudio Member Join Date: Dec 2003 Location: Kansas City	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.

21st December 2003, 05:53 PM	#6
sam9 diyAudio Member Join Date: Jun 2002 Location: Left Coast	If one insists on a DIY approach, there is a surround project on sound.au.com, the ESP website.

21st December 2003, 05:58 PM	#7
Jax diyAudio Member 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

22nd December 2003, 01:51 AM	#8
nFORCE diyAudio Member Join Date: Jul 2002 Location: JAPAN	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: 50140834@alumni.cityu.edu.hk Regards, nFORCE

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