Need a *.yml for 2 Channels in and 8 Channels out using SB X4

[bwhitejr]

I finally got it working. Had to go into AlsaMixer and raise the volume of the Aux In. I finally got it all working. Today I hooked it up to the separate amplifiers/speakers.
I got a new issue. It appears there is an echo that isn't noticeable with the headphones that monitor just a stereo output. When I created the *.dbl FIR files from rePhase. I used the same number of taps and sample rates for both right and left channels and tweeter/mid/woofer output. But it sounds like a delay. Any suggestions?
By the way....thanks for all of the help. I really appreciate it.

 

[mdsimon2]

I'd try running a simple setup without FIR (using IIR for crossovers as needed). If you don't have issues with that setup, you know that it is an issue with your FIR filters and not a base hardware issue.

When I hear echo my mind goes to some sort of double routing. This could happen if the interface itself was set to route aux in to certain output channels AND CamillaDSP was also doing the same routing. If this is the issue you will want to eliminate any channel routing using the Creative software.

Michael

 

[bwhitejr]

When looking at the graph of my FIR filter in CamillaDSP I see the phase is wrapped continuously. See attached graph. It doesn't do that on the IIR filters created in CamillaDSP.
I am using 64 bit double files from rePhase. Can anyone tell me how to fix this?

 

[bwhitejr]

Hi All,

I am getting continuous phase wrap on the FIR filters I have created with rePhase. I am using 64 bit double file type. See attached graph from CamillaDSP. Can someone tell me how to fix this, assuming it is an issue. The IIR filters graphs look normal.

Thanks,
-bw-

 

[mdsimon2]

The wrapped phase is due to the delay in the FIR filter. There is currently no way to remove the wrap because that is what the phase response looks like due to the delay.

This post has some more info - > https://www.diyaudio.com/community/...overs-room-correction-etc.349818/post-7486382.

Michael

 

[bwhitejr]

This graph is from the Pipeline page in CamillaDSP. The same graph under the Filters page shows the phase correctly.
Not sure why the graphs would be different between the two pages.
-bw-