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#191204 - 01/09/08 01:56 AM Re: No, Audiobytes are HERE! [Re: EFalardeau]
doormat Offline
devotee

Registered: 10/28/07
Posts: 395
Loc: Cold Lake, AB
Yeah, my laptop also has the dual SPDIF/headphone jack. If your just using a miniplug RCA cable you're using the headphone functionality. You'd need a digital cable with a mini-plug end or adapter to get the full digital stream.
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#191223 - 01/09/08 10:11 AM Re: No, Audiobytes are HERE! [Re: doormat]
Mojo Offline
connoisseur

Registered: 01/21/07
Posts: 3292
So the fact that SPDIF sounds different than the headphone output is a figment of my imagination? I'll need to A/B when I have some time.

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#191228 - 01/09/08 10:50 AM Re: No, Audiobytes are HERE! [Re: Mojo]
EFalardeau Offline
connoisseur

Registered: 08/27/07
Posts: 3270
Loc: Laval, Quebec, Canada
It might not be your imagination. Some players re-sample systematically to 48K for SPDIF output while playing native 44.1 on their analog circuits (Soundbridge M1001 is a good example of such a difference).
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E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
Audiobytes! 2M22! 2VP150!

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#191249 - 01/09/08 11:49 AM Re: No, Audiobytes are HERE! [Re: EFalardeau]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17789
Loc: NoVA
But he's not using SPDIF if he's plugging the Audiobytes into that dual jack; he's using, essentially, a headphone jack.
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#191251 - 01/09/08 11:56 AM Re: No, Audiobytes are HERE! [Re: Ken.C]
EFalardeau Offline
connoisseur

Registered: 08/27/07
Posts: 3270
Loc: Laval, Quebec, Canada
It does not mean it is the same output than the single-usage headphone jack.
_________________________
E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
Audiobytes! 2M22! 2VP150!

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#191255 - 01/09/08 12:11 PM Re: No, Audiobytes are HERE! [Re: EFalardeau]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17789
Loc: NoVA
Why not? Why would a manufacturer put a separate audio processor in for outputs that are essentially doing the same thing? Sure, the traces are going to be a little different, but do you think that there's going to be that much variation in the sound (audibly) from a few millimeters of copper?
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#191257 - 01/09/08 12:17 PM Re: No, Audiobytes are HERE! [Re: Ken.C]
EFalardeau Offline
connoisseur

Registered: 08/27/07
Posts: 3270
Loc: Laval, Quebec, Canada
It might not be coming out of the same chip.
_________________________
E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
Audiobytes! 2M22! 2VP150!

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#191259 - 01/09/08 12:19 PM Re: No, Audiobytes are HERE! [Re: EFalardeau]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17789
Loc: NoVA
So they've put 2 sound chips on the board.
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#191261 - 01/09/08 12:23 PM Re: No, Audiobytes are HERE! [Re: Ken.C]
EFalardeau Offline
connoisseur

Registered: 08/27/07
Posts: 3270
Loc: Laval, Quebec, Canada
This is just speculation (on BOTH sides). Two outputs serving two purposes can very well have two separate chips. The Soundbrige mentionned earlier is a perfect exemple of that.

Since, again, we are all speculating here, let's try to keep this friendly and avoid putting words into posts! ;\)
_________________________
E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v)
Audiobytes! 2M22! 2VP150!

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#191263 - 01/09/08 12:27 PM Re: No, Audiobytes are HERE! [Re: EFalardeau]
Ken.C Offline
shareholder in the making

Registered: 05/03/03
Posts: 17789
Loc: NoVA
Oh fine... as usual, I should be a little more careful with my posting in the morning. Sorry about that.

However, from my knowledge of system architecture in computers, I would wager that the outputs are both from the same chip, unless there is sound processing on the south bridge (rare, possibly nonexistent) or has an "add-on" chip/card on the board (such as an X-Fi) in addition to the typical Realtek chip. '

This post is an invitation for someone to come along and tell me I know jack-all about system architecture.


Edited by kcarlile (01/09/08 12:27 PM)
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