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Re: No, Audiobytes are HERE!
EFalardeau #191204 01/09/08 06:56 AM
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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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Re: No, Audiobytes are HERE!
doormat #191223 01/09/08 03:11 PM
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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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Re: No, Audiobytes are HERE!
Mojo #191228 01/09/08 03:50 PM
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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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Re: No, Audiobytes are HERE!
EFalardeau #191249 01/09/08 04:49 PM
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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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Re: No, Audiobytes are HERE!
Ken.C #191251 01/09/08 04:56 PM
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It does not mean it is the same output than the single-usage headphone jack.


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Re: No, Audiobytes are HERE!
EFalardeau #191255 01/09/08 05:11 PM
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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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Re: No, Audiobytes are HERE!
Ken.C #191257 01/09/08 05:17 PM
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It might not be coming out of the same chip.


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Re: No, Audiobytes are HERE!
EFalardeau #191259 01/09/08 05:19 PM
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So they've put 2 sound chips on the board.


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Re: No, Audiobytes are HERE!
Ken.C #191261 01/09/08 05:23 PM
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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! ;\)


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Re: No, Audiobytes are HERE!
EFalardeau #191263 01/09/08 05:27 PM
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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.

Last edited by kcarlile; 01/09/08 05:27 PM.

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