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OfflineEnthrall
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Registered: 04/07/07
Posts: 2,097
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quick question about audio
    #14098708 - 03/10/11 03:37 PM (12 years, 11 months ago)

Is there a reason to use digital cables (optical) over analog other than getting multiple sound channels? If a cd is sending digital through an optical cable where does it convert to analog? Also say a cd player is hooked to an analog cable where is it converted to analog? Does the receiver do it? Im trying to understand some basic audio stuff.


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Invisibleifoundwaldo


Registered: 09/28/10
Posts: 8,389
Loc: Denver, CO Flag
Re: quick question about audio [Re: Enthrall]
    #14098725 - 03/10/11 03:39 PM (12 years, 11 months ago)

I think there's a DAC (digital-analog converter) on the sound card.
I think the benefit would be less degradation of sound and better sound quality.
This is speculation though.


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OfflineIHuntem2
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Registered: 04/06/09
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Re: quick question about audio [Re: Enthrall]
    #14098740 - 03/10/11 03:43 PM (12 years, 11 months ago)

Quote:

Enthrall said:
Is there a reason to use digital cables (optical) over analog other than getting multiple sound channels? If a cd is sending digital through an optical cable where does it convert to analog? Also say a cd player is hooked to an analog cable where is it converted to analog? Does the receiver do it? Im trying to understand some basic audio stuff.




yes.  depends on your speakers in the long run though.  and quality of output.  .flac24 > .flac16 > .mp3 etc.

second cd player does a PCM>analog conversion pre cable...prob a crappy bitmapper unless you have a decent CD player...

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Invisibleabltsandwich
JFK = Jelly Donut
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Registered: 06/16/09
Posts: 11,537
Loc: Dildoville Flag
Re: quick question about audio [Re: Enthrall]
    #14098766 - 03/10/11 03:48 PM (12 years, 11 months ago)

The type of cable depends on your equipment.  If your receiver has a better DAC(Digital-to-Analog-Converter) it's best to send it digital and let the receiver to the conversion.  If your CD player has a better DAC then it's a better idea to send it analog to the receiver.  Over long runs, you get less signal loss with digital cables.  Generally, a receiver has better DACs than CD players but that is definitely not always the case.  You have to research your equipment and find out.

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OfflineEnthrall
Mr ?
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Registered: 04/07/07
Posts: 2,097
Last seen: 1 year, 11 months
Re: quick question about audio [Re: abltsandwich]
    #14099221 - 03/10/11 05:06 PM (12 years, 11 months ago)

How does a 1-bit Dual D/A converter work? Is it the best method of DAC or is a parallel of resistors better?


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