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post #1 of 6 Old 07-19-2014, 09:49 PM - Thread Starter
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surround sound and htpc

So I keep reading that on board audio is not good to go with. Why is this? My on board audio is capable of 7.1 surround sound so why should I buy a new audio card that is capable of the same thing.
Also, if I plan on running my audio through the computer to a receiver to do the decoding do I even need to worry about an audio card?
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post #2 of 6 Old 07-19-2014, 09:58 PM
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The audio board is only important if you are actually plugging your speakers into it. This would be for things like headphones or computer speakers. In your case you are streaming the audio through the HDMI cable to the receiver which then decodes the audio. On the computer's end this is a loseless process so you don't have to worry about your motherboard degrading your audio quality.
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post #3 of 6 Old 07-20-2014, 06:06 AM
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@PerfectDark64 is exactly right. *Most* of us don't use a sound card anymore. The sound card's job is to turn computer code into an analog signal that is either sent directly to speakers, headphones, or another sort of amplifier.

With SPDIF and HDMI you don't have to decode that signal on the PC anymore. You let your receiver do it. All the video cards since around 2010 have had the ability to bitstream this digital audio signal to an AVR along with the video.

My HTPC front end set up
Integration for whole home ATSC, CableCARD, FM radio, Blu-Ray, HD-DVD, DVD, VHS control & capture, video games, and archived & streaming media playback
Mironto's Panasonic plasma black level restoration guide
Restore the initial MLL on a 2009 Panasonic plasma
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post #4 of 6 Old 07-21-2014, 06:00 AM
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...And then there are us heathens that are sending the audio in analog form(in my case to a Marantz MM9000) to a power amp or multichannel line input on a receiver.....

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Originally Posted by pittsoccer33 View Post
@PerfectDark64 is exactly right. *Most* of us don't use a sound card anymore. The sound card's job is to turn computer code into an analog signal that is either sent directly to speakers, headphones, or another sort of amplifier.

With SPDIF and HDMI you don't have to decode that signal on the PC anymore. You let your receiver do it. All the video cards since around 2010 have had the ability to bitstream this digital audio signal to an AVR along with the video.
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post #5 of 6 Old 07-21-2014, 06:54 AM
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This is a really interesting write up on doing just that

Deconstructing the home theater pre-processor

http://www.acousticfrontiers.com/wha...processor.html

My HTPC front end set up
Integration for whole home ATSC, CableCARD, FM radio, Blu-Ray, HD-DVD, DVD, VHS control & capture, video games, and archived & streaming media playback
Mironto's Panasonic plasma black level restoration guide
Restore the initial MLL on a 2009 Panasonic plasma
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post #6 of 6 Old 07-21-2014, 08:17 AM
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Read that, his rig goes far beyond what i can afford and have the ability to do.......all i am working to achieve is good quality audio and that the front channel stuff goes where it is supposed to go the surrounds surround and sub.... woofs and the center... centers.......

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