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[TimB]

This is not Media Center specific but I'm hoping for clues from y'all as you're aces on sound stuff.

I've got two CD drives and an m-audio delta 24/96, I've recently starting to get popping sounds from playback on both CDs, stuff rips and plays back fine but when I do straight CD or DVD playback I got lots of interference and popping sounds.  This becomes worse when I try to playback something else while ripping.

I have the problem on both drives and in MC10, Windows Media Player and WinDVD.

Any ideas?  Thanks!

-=Tim=-

[jleerigby]

MAudio drivers up to date?
What playback settings are you using (Tools> Options> Playback)?
What output format do you have set in DSP studio (if any)?

[xen-uno]

DMA/PIO possibly? (manifests itself particularly on Audio CD's)

http://yabb.jriver.com/interact/index.php?board=2;action=display;threadid=16329;start=msg111224#msg111224

10^-27

[TimB]

No Output Settings in DSP Studio tho' the problem started around the time I was fiddling with them (tho' I fiddle with lots of stuff all the time) however if this was an MC setting wouldn't I only have the problem in MC?

I set the DMA to DMA if available and restarted but its still PIO on both CD drives.

This is 10x worse on DVDs than CDs.  I'm using ASIO output btw.

-=Tim=-

[TimB]

Reinstalled the drivers, changed the DVD audio settings in Playback.  Still getting popping (or crackling hard to describe) after a few minutes.  Its almost as if its related to the volume.

-=Tim=-

[jleerigby]

If you have onboard sound on your mobo try disabling it in the BIOS.

BTW many older CD drives do not support DMA - you could check the specs on their website.  If you have low spec old drives you could consider an upgrade or borrow one off a friend to see if that makes a difference.  Post your system info from MC help so we can see what you got.

Try Direct Sound.

Also try pointing MC to Windows Primary Driver instead of the Delta driver - just for troubleshooting's sake.

[modelmaker]

I have the same popping noise w/CD playback and have had it for 2 years. I've been to several different forums including this one about this, but noone has ever come up with a solution including Microsoft.  Some have suggested I have too many USB devices plugged and running - I have unplugged everything to no avail.I have changed settings, updated drivers etc...it still pops,  (fortunately I really don't need pc-cd playback - ripping, writing  and file playback all fine). Which player also seems to be irrelavent.. Good Luck!

[nivw]

I came by that issue when using a Via Kt133 mothaerboard .
Their whole chipset has a bug that affects mainly disk read/write and sound. upgrading the 4in1 drivers off via web site *may* help, hay it disk stoped my system from gettig coroupt files, but the sound is bad.

that was the main reasone I swithed to Intel.
That bug was only fixed at the arrival of KT400 .

Niv

[TimB]

As this has only happened recently I'm wondering about hardware issues.  Would cabling issues (bad or loose cable) explain ripping OK but not CD/DVD playback?  Again as this happens inside and outside MC I don't think its MC.

Thanks!

-=Tim=-

[xen-uno]

The issue is still DMA/PIO...you said it keeps reverting to PIO which causes (exactly) the problems you're hearing. If it is only recent then something is funky in hardware (cabling is a possibility). Check all your master/slave settings on your drives...any conflicts? If they're set to Cable Select then set them as discrete master & slave respectively per IDE channel.

10^-27

[TimB]

The issue is still DMA/PIO...you said it keeps reverting to PIO which causes (exactly) the problems you're hearing. If it is only recent then something is funky in hardware (cabling is a possibility). Check all your master/slave settings on your drives...any conflicts? If they're set to Cable Select then set them as discrete master & slave respectively per IDE channel.

10^-27

I'll check into this tomorrow.  Thanks!

-=Tim=-

[JohnT]

Try xen-uno's suggestion first, then if that doesn't fix it, here's another thing to try. Look at the "bus mastering driver conflicts" section of this page:

http://www.acoustica.com/mp3-cd-burner/support/burning-problems.htm

[TimB]

Well an "A" to Xen-uno for identifying the problem.

The issue seems to be that if I try to boot with both CD drives (one DVD Player and one CD Burner) they boot into PIO mode and I get a problem.  Either one (as Master) by itself is fine.  I was wondering if one of the power cables inside the computer was bad but that doesn't seem to be it as I tried both on one CD drive with no problem.  I'm using my Secondary IDE for these drives if that's an issue.

I also bought a new round IDE cable (they're tidier anyway) but apparently that wasn't the problem.

Any ideas?

-=Tim=-

[jleerigby]

What's your IDE cable and jumper set up?  It should be like this:

IDE0 (primary):
End of cable = Master HDD
Centre of Cable = Slave HDD

IDE1 (secondary)
End of cable = Master Optical i.e. CD-RW
Centre of Cable = Slave optical i.e. DVD-ROM

Check the manufacturers website to see if there's a firmware update for your drives.  If the drives are old borrow a newer one off a friend and see if this fixes the problem before you upgrade.

[Better still wait for xen to come back with a proper answer  ]

[xen-uno]

It's all good JL...

I am of the opinion that IDE channels with ATA-66 and above has sufficient bandwidth that makes Master/Slave relationships not so critical anymore.

Therefore...

If you can't get the CD drives to work on same channel (via JL's mapping), then set them as slaves on the primary | secondary channels and set your HD's as masters on each channel respectively.

...if only SCSI ruled the world...

10^-27

[JimH]

I have a feeling I'm going to add ignorance to confusion, but what the heck.  Most of this comes from talking with someone else here who knows a lot more about it.

IDE cables have two positions for drives, and drives can also do "cable select", meaning (I think) that the drives decide what they are by where they are.

Motherboards sometimes support this, and sometimes don't.

Setting the drives to master or slave seems best.

A google search might turn up better information.

Trial and error is another approach I've often used.

[TimB]

I have a feeling I'm going to add ignorance to confusion, but what the heck.  Most of this comes from talking with someone else here who knows a lot more about it.

IDE cables have two positions for drives, and drives can also do "cable select", meaning (I think) that the drives decide what they are by where they are.

Motherboards sometimes support this, and sometimes don't.

Setting the drives to master or slave seems best.

A google search might turn up better information.

Trial and error is another approach I've often used.

Thanks Jim.

With the problem both drives were set to Master and Slave as appropriate.  When I was testing with only one drive I was of course setting to Master.

In parallel I'm working down the trial and error mode.  Switching in and out drives and cables, etc.  My next step is putting both drives back in again to see if the original problem is still manifesting itself.

-=Tim=-

[TimB]

Well its fixed but I'm puzzled.  When I switched the devices and put the CD burner in master and the DVD player in slave both came up correctly as DMA Mode 2 devices and play perfectly.

Strange days indeed!

Thanks for all, particularly xen-uno.

-=Tim=-

[jleerigby]

Hey come on TimB I'll take some credit too  :

IDE1 (secondary)
End of cable = Master Optical i.e. CD-RW
Centre of Cable = Slave optical i.e. DVD-ROM

[xen-uno]

Gracias seņor

[TimB]

Hey come on TimB I'll take some credit too  :

IDE1 (secondary)
End of cable = Master Optical i.e. CD-RW
Centre of Cable = Slave optical i.e. DVD-ROM

Darn I didn't see that post and it would have saved me lots of grief!

Thanks!  

-=Tim=-