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5.1 Dolby Digital DTS pre amp
5.1 Dolby Digital DTS pre amp
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Old 7th May 2012, 08:31 PM   #1
portreathbeach is offline portreathbeach  United Kingdom
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Default 5.1 Dolby Digital DTS pre amp

After the success of a couple of Gainclone builds and a cMoy headphone amp, and a good knowledge and experience of Pic microprocessors, I am thinking of building a Dolby digital 5.1 pre amp which will feed GainClone mono blocks.

Now, I know it is not an option to just go and buy a Dobly digital decoding chip and start wiring it up etc. because of licensing etc. and very hard algorithms, but what about using something like this to do the Dolby decoding:

Digital Dolby DTS AC3 Optical to Analog 5.1 Stereo Surround Audio Sound Decoder | eBay

I was thinking that this could be used for the decoding of DTS, AC3 etc. and it also says it can take a stereo signal and output it to a 5.1 analogue output.

It has limited inputs on the unit, but since I will be using a Pic microprocessor to run the amp, I can obviously use relays to switch inputs onto the unit.

Has anyone had any experience with this unit? Also, anyone have any thoughts on this project
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Old 9th May 2012, 09:28 PM   #2
portreathbeach is offline portreathbeach  United Kingdom
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Also, what do people recommend as being the best quality digital potentiometer?
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