homemade stereo USB audio DAC

General discussion for all questions based in the home audio/video world.
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93CougarXR7SE
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Postby 93CougarXR7SE » Tue Nov 14, 2006 9:37 am

That's alright. I just like finding stuff to tinker with in my spare time.
Benjamin 07/30/82 89 Ranger; '95 S10; '02 Ninja 250R, '99 Honda XR80; '90 Yamaha RT 100

Bedroom: Onkyo TX-SR605B powering DefTech ProCenter 2000 and pair BP6B, 2 Mirage Omni 350, PE amp pushing 12" eD B212.

Smooth move, FedEx!
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jmaxima
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Postby jmaxima » Tue Nov 14, 2006 3:42 pm

Now, if you could do that with 5.1 or 7.1 channels. . . And a software package that can grab the data off either SACD or DVDA, or upconvert 2 channel with logic 7 or similar. . . I've been wanting to use a small computer as my home and car system for several years. Thumb drives to store hundred or thousands of songs and videos, etc.

Good work, looks nice. I wish I could solder something that tiny.

- James
Would you like a half smoke to go with that ubberwoofer?

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black00
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Postby black00 » Tue Nov 14, 2006 4:03 pm

eezip wrote:
By the way Marshoo, is stuff like this ok? I was thinking about the State of CsO/SIN post and figured I might throw a post like this up here and see if that sparked some conversation.



oh hell...i missed this evan...sorry...

ya i'm fine with it...

if a couple people want one...whatever....just do the dealing and stuff in private...

i know its not a business more than its an experiment and sharing gizmo ideas and stuff...

;) know where your heart is, is what i'm saying......

ya you're fine buddy.
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eezip
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Postby eezip » Wed Nov 15, 2006 12:43 am

Marshall, no problem man. Thanks.

Cougar, there is one board unspoken for. I'll PM you.

James, there are 2 ICs I know of that will decode 5.1 channels and are available for regular people to buy [what I mean by that is no expensive, business-only licensing agreement]. But there's still no software support, as you mentioned, so that's kinda hosed. Nonetheless, one of those ICs and a simple DSP or even analog filtering could give you surround sound on par with DPLII. Still not real surround, but it's the best I think is available for the average DIYer.
HT: Sony KV-27FS13 | Oppo DV-981HD | Denon AVR-2807 | 7x Cambridge MC100 | Acoustic Research ARPR1010 || Stereo: Dynaudio Audience 42 | Hales Concept 3 prototypes | wouldn't you like to know... :)

Home PC: Yamaha RP-U100 | B&W LM-1 | Mpyre 65x || Work PC: Yamaha RP-U100 | QSC AD-S32T | Sony MDR-V600
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93CougarXR7SE
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Postby 93CougarXR7SE » Wed Nov 15, 2006 1:34 am

If YouTube starts working again, here's something to look at:
http://www.youtube.com/watch?v=Bq7fXcAMRcQ
Benjamin 07/30/82 89 Ranger; '95 S10; '02 Ninja 250R, '99 Honda XR80; '90 Yamaha RT 100

Bedroom: Onkyo TX-SR605B powering DefTech ProCenter 2000 and pair BP6B, 2 Mirage Omni 350, PE amp pushing 12" eD B212.

Smooth move, FedEx!
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eezip
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Postby eezip » Wed Nov 15, 2006 2:44 am

That's the gist of it. There are tips that make it much easier, IMO. I like the kind that are like little cups which can hold or remove a solder. The 'traditional' conical tip isn't a good choice for fine pitch soldering if you ask me. And it will not work once you get down to pin pitch of 0,50mm and 0,40mm [below 25mil]. One important step that's not in the video is using flux. One the part has all pins soldered I always flux it up and go over all the pins again. This gets the solder flowing well and provides a much more wave/reflow type of joint rather than sloppy, non-uniform hand soldered joints. But the video's techniques should get you there, with some practice.
HT: Sony KV-27FS13 | Oppo DV-981HD | Denon AVR-2807 | 7x Cambridge MC100 | Acoustic Research ARPR1010 || Stereo: Dynaudio Audience 42 | Hales Concept 3 prototypes | wouldn't you like to know... :)



Home PC: Yamaha RP-U100 | B&W LM-1 | Mpyre 65x || Work PC: Yamaha RP-U100 | QSC AD-S32T | Sony MDR-V600
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vfootballphs
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Postby vfootballphs » Thu Nov 16, 2006 8:55 pm

Got mine in today and wanted everyone to know that this thing is great. Eezip was right, this thing sounds much better than similar commercial offerings. Thanks again man.
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vfootballphs
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Postby vfootballphs » Thu Nov 16, 2006 9:00 pm

Oh, and by the way...What's this more intricate project you are working on/just finished?
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Darthn3ss
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Postby Darthn3ss » Thu Nov 16, 2006 9:21 pm

i may be interested if you can get one with RCA outputs for use in a car pc :D
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vfootballphs
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Postby vfootballphs » Thu Nov 16, 2006 9:54 pm

Splitter cable? Man this thing rocks...More and more listening, don't want to stop...

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