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post #1 of 7 (permalink) Old 03-07-2019, 05:48 PM - Thread Starter
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8 Channel audio with only line out?

Can someone help me make sense of this? I have an Asus Strix B450 itx board. The spec sheet says

ROG SupremeFX 8-Channel High Definition Audio CODEC S1220A
Industry-leading 8-channel HD audio with the ROG exclusive SupremeFX S1220A driven by Japanese capacitors

The back of the board only has the three basic 3.5mm plugs; line in, line out, and mic.
It would seem odd to put a chip that had 8 channel capability, and even advertise it, but not be able to use it. I don't think its referring to audio over HDMI is it?

I have seen mini optical cables, that plug into a 3.5m jack, but don't see any reference to that anywhere.

Here is the boards page.
https://www.asus.com/us/Motherboards...MING/overview/

It shows this in relation to the audio ports, not HDMI which I believe would run through the CPU.
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post #2 of 7 (permalink) Old 03-07-2019, 05:54 PM
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Optical can't do 8 channel either AFAIK, HDMI is the only thing I see that would be able to deliver 8 channels.
HDMI is actually my preferred audio signal delivery cable anyway.

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post #3 of 7 (permalink) Old 03-07-2019, 05:57 PM - Thread Starter
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Quote: Originally Posted by white owl View Post
Optical can't do 8 channel either AFAIK, HDMI is the only thing I see that would be able to deliver 8 channels.
HDMI is actually my preferred audio signal delivery cable anyway.
But that requires a Ryzen APU, the HDMI port is inactive without one. But check it out he board actually does 5.1 and 7.1 through those ports. Crazy.
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post #4 of 7 (permalink) Old 03-07-2019, 06:01 PM
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SupremeFX
"Immerse yourself in sound with SupremeFX audio technology. Utilizing the S1220A codec, SupremeFX is the integrated-audio solution that's engineered to provide a flat frequency response for a neutral, detailed sound signature. And to ensure that pristine signature is perfectly preserved, the front-panel output is driven with dual op amps, delivering sonics with the scale and authority to create virtual worlds via your gaming headset"

Basically virtual surround over 3.5mm?

Quote: Originally Posted by lightsout View Post
But that requires a Ryzen APU, the HDMI port is inactive without one. But check it out he board actually does 5.1 and 7.1 through those ports. Crazy.
Well you could do it that way too... But that would be kind of odd having a 3.5mm cable sticking out the front of your case.

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post #5 of 7 (permalink) Old 03-07-2019, 06:09 PM
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I thought you said one was the mic in? Oh I..see...wait...what?! Are these just normal headphone jacks?

If they're all outputs it makes more sense but you'd need four of them (normal headphone jacks) to deliver true 8 channel audio. IMO beyond 5.1 is overkill anyway. I'd rather have 200w 5.1 channel output to 5 full range drivers and a sub in transmission lines than 1000w split across 7 satellites with a sub in a ported box (God forbid bandpass) tuned to 55hz to save space.
Quote: Originally Posted by ozlay View Post
Well you could do it that way too... But that would be kind of odd having a 3.5mm cable sticking out the front of your case.
Exactly. That's the only way you could get 8 real channels and that's weird af.

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post #6 of 7 (permalink) Old 03-07-2019, 06:32 PM - Thread Starter
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Quote: Originally Posted by ozlay View Post
SupremeFX
"Immerse yourself in sound with SupremeFX audio technology. Utilizing the S1220A codec, SupremeFX is the integrated-audio solution that's engineered to provide a flat frequency response for a neutral, detailed sound signature. And to ensure that pristine signature is perfectly preserved, the front-panel output is driven with dual op amps, delivering sonics with the scale and authority to create virtual worlds via your gaming headset"

Basically virtual surround over 3.5mm?



Well you could do it that way too... But that would be kind of odd having a 3.5mm cable sticking out the front of your case.
I know what kind of dumb idea is that. I guess it can be done but seems pretty odd.
Quote: Originally Posted by white owl View Post
I thought you said one was the mic in? Oh I..see...wait...what?! Are these just normal headphone jacks?

If they're all outputs it makes more sense but you'd need four of them (normal headphone jacks) to deliver true 8 channel audio. IMO beyond 5.1 is overkill anyway. I'd rather have 200w 5.1 channel output to 5 full range drivers and a sub in transmission lines than 1000w split across 7 satellites with a sub in a ported box (God forbid bandpass) tuned to 55hz to save space.

Exactly. That's the only way you could get 8 real channels and that's weird af.
Yeah it's totally weird, and to be clear I was just trying to figure out how it was supposed to work. I am running a 2.1 setup with a small desktop amp and that all I intend to run.

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post #7 of 7 (permalink) Old 03-07-2019, 06:35 PM
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Quote: Originally Posted by lightsout View Post
I know what kind of dumb idea is that. I guess it can be done but seems pretty odd.

Yeah it's totally weird, and to be clear I was just trying to figure out how it was supposed to work. I am running a 2.1 setup with a small desktop amp and that all I intend to run.
Can't blame you for wondering how in the hell that was supposed to work lol.
Imo there was nothing wrong with the I/O having 6+ jacks, it was convenient if you were building your own stuff since it's just the raw analog signal. That's the only thing I don't like about HDMI, it's really hard to build your own receiver(s) around it.

Quote: Originally Posted by SpeedyVT
If you're not doing extreme things to parts for the sake of extreme things regardless of the part you're not a real overclocker.
Quote: Originally Posted by doyll View Post
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