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Sound question. Speaker, HDMI, and mobo related... somewhatFollow

#1 Oct 10 2010 at 6:20 PM Rating: Good
Hello kind sirs and ma'ams.

I just built a new PC and I have a sinple question about the sound and a delay (very small delay) of it starting up on certain things.

What I am experiencing is something like this... On AOL when you sign on and you have mail you hear some idiot telling you, "You've Got mail!"... well... What I hear now is, "...got mail!".

I am running amplified speakers from my front and rear plug-ins on my I/O ports (back of PC). The wires goto an amp/sub which sends out the sound to four speakers (two front and two rear).

My monitor is hooked up via an HDMI plug, and the monitor has a sound output plug-in on it. (my EVGA 480 GTX supports audio over HDMI)

My questions are:

Do you think the delay is from the way the audio has to travel to get to the speakers?

Do you think it would be better to use a 3.5mm jack splitter so I can use the plug on the monitor for the sounds going to the amp? I know that would take away my front and rear sound, but shouldn't it still keep the right and left channels separate?

Is there something else that you think might be causing it?

It isn't a big deal or anything, because my mp3s and games seem fine with no sound delay, but I am really curious if hooking up the speakers from the monitor which gets its feed from an HDMI cable would make a difference...

Thanks.
Pent
#2 Oct 10 2010 at 8:31 PM Rating: Good
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801 posts
could be some glitch in the hdmi bridge driver for the audio. I remember having to disable it on some older ATI cards and just using the outputs from the audio card. A/V components have so many input options now, shoud be able to work it out somehow. It's hella convenient to have it all in one cable, but...meh.

Raist
#3 Oct 10 2010 at 8:40 PM Rating: Good
BDHERTZER wrote:
could be some glitch in the hdmi bridge driver for the audio. I remember having to disable it on some older ATI cards and just using the outputs from the audio card. A/V components have so many input options now, shoud be able to work it out somehow. It's hella convenient to have it all in one cable, but...meh.

Raist


Hmm, under the volume controls I can actually set the audio to output from one of the 3-4 different output ports.

The three I remember just off the top of my head are my monitor (via the HDMI cable), the 3.5mm plug-ins on the I/O ports (where the audio is coming from now), and the SPDIF or whatever.

I haven't tried the monitor plug yet, and I doubt I'll get to it tonight... maybe tomorrow.

Like I said, it isn't a dire need situation, but I have noticed that the audio (even on mp3s... I just tested it) almost always has a delay in it if there is no sound for awhile and then there is... it really isn't a delay, but more of a silence for a second of audio and then the rest of the sound is fine.

#4 Oct 11 2010 at 1:28 AM Rating: Excellent
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Are you using a dedicated soundcard like a soundblaster X-FI, or the on board Soundmax audio that comes with the motherboard? I haven't played around with HDMI out over video cards yet, but i wonder if the 2 pin HDMI audio bridge cable has a specific pinout it wants, maybe if you ptu it on the connector one way, it works but it takes it a second to detect? That or maybe you don't have it plugged in all the way and the HDMI cable is using some sort of software passthrough?

Update the audio drivers would be a good place to start if you haven't already, though if it is soundmax there might not be any. Also check under the windows 7 power management options and make sure you are set to "high performance" and any "hardware sleep" features are turned off for USB or the SPDIF port. Also maybe check device manager and the properties for the SPDIF device if you can figure out what the heck they have it referenced under and see if there is a "never power off" option under there?
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#5 Oct 11 2010 at 7:12 AM Rating: Good
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Quote:
Do you think the delay is from the way the audio has to travel to get to the speakers?


Maybe HDMI.

A couple things to consider...

First, I've seen HDMI audio from a HD5450 do much the same thing. Takes a split second for audio to click on for some reason, but once it's going it's fine. If that's the case, I'm not sure of the fix, but I can say that you're not the only one to have the problem.

Another possibility is your amplifier. Some will "sleep" when there's no audio going through them, and it can take a split second for it to start making sound. If you have issues with, say, ambient audio noises cutting in and out then that'd probably indicate that's more the issue.

Edited, Oct 11th 2010 9:12am by Isiolia
#6 Oct 11 2010 at 8:08 AM Rating: Good
Motherboard sound (no sound card). Motherboard is a Asus P6X58D Premium.

I am using the Audio I/O ports on the motherboard to send audio to the amp/sub... I am not using the monitor port right now.

I have NOT used (yet) the port on my monitor to output audio. That would be pulling the audio from my EVGA 480 GTX via an HDMI cable.

I do not even have the S/PDIF cable plugged into the motherboard because I dont have anything that uses it.

Under the Volume Mixer Device Speaker pulldown menu... I have these four options to choose.
a.) SyncMaster-1 (2- NVIDIA High Definition Audio) [Guessing this is the port on the monitor, because its driver disc said SyncMaster)
b.) Digital Audio (S/PDIF)(High Definition Audio Device)
c.) Speakers (High Definition Audio Device) [This is what I have selected right now]
d.) Digital Audio (S/PDIF)(High Definition Audio Device) [Yeah, it lists this twice.]


From what I can tell I need to see if there are new audio drivers, mess with Windows 7's power management stuff, and figure out if the amp/sub is going to sleep (which I have no clue how to figure that out).

#7 Oct 11 2010 at 8:43 AM Rating: Good
After searching around just a little bit I think the problem lies within the amp going into standby mode after 15min of no audio input.

I can not find if there is a way to actually turn standby mode off, so I'll have to live with it.

I can't complain too much... the mode is there so it isn't constantly "on" for safety/heat reasons...

And the sound from the speakers is downright awesome.

Since I am sure some of you will come back to read what othes have said... let me ask you this... I have used Winamp every since it came out and I have no problems with it, but I am curious if any of you used a different mp3 player... and does it have an EQ?

I am having the hardest time trying to setup the EQ in Winamp where it actually sounds good.

#8 Oct 11 2010 at 9:38 AM Rating: Good
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I still use Winamp because most other MP3 players I've seen are focused on the MP3 library paradigm, which to me is handled with the actual file/folder structure on my HDD, which also works without meticulous ID3 tags...

That said, foobar2000 has an large amount of options/plugins. Not sure on EQ so much, as I tend to use the system EQ if I used one at all. Still, given the level of customization that it has, I'd probably look at that if you want to change.

Another option (albeit one that costs money) is to go with a USB DAC/sound card. This is a pretty prolific one (which I have, works nicely), though there are a wide variety of models out there. A better DAC might alleviate the need for an EQ, since most motherboard audio is competent, but not great.
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