Recent content by Chuck Gerlach

I just had my Earthworks M30 re-calibrated and am going to TRY and use that mic (with it's cal file) to modify the cal files of my other mics that vary some over the frequency spectrum. Between the "frequency" column and "adjustments" column there is in some cases a single space and other...

I assume an "m" means milliseconds and a "u" means microseconds?

Wisdom comes with age, but, apparently, so does partial memory loss. Sorry to bother you but thanks for the solution.

I've been using an EVO8 Sound Card with REW for quite some and it has a built in "loop back" timing reference. Up until one of the most recent REW updates, there has not been the audible timing reference that occurs when I used an HDMI connection (no external sound card) to my processor ---...

Thanks. My bad for not checking (my room is not quite that large!). Timing reference channel selected was incorrect.

Maybe I wasn't clear. I've been using the Alignment Tool on LOTS of calibrations and I never seen the "aligned" result (black) look like this - and there is NO improvement by changing his delays - any magnitude, either sub, either + or - Here is the mdat file with the two sets of subs

I also tried a different mic + cal file with same results

As noted in the graph below, both the front (green) and rear (red) sub response looks reasonable. But when I try to use the alignment tool, the resultant response is all "wiggly". And I am clueless. I restarted REW but got the same results. Any ideas?

Thank you. I kept looking in the "Controls" section and skipped right over the obvious !!

I really like the new interface. Each time I use this product (which is all of the time) I am amazed at what we get for the price of a microphone, (USB interface if we use one) and $100 for the multi-mic version. And it keeps getting better and better. While not quite to the level of something...

Wow! Color me "moronic". I had previously turned room correction off but it was on again. I apologize for not doing a better job of some "pre-analysis" prior to posting this. Thank you so very much. All is well and working as it was and should. And on a completely different subject, is...

Some progress. Thanks. I am measuring to 20K now. Now when I measure using the same speaker for measurement and for the timing reference, I get a delay fairly close to zero (.14 inches to be exact). However, when I use, for example, the side surround as the timing reference and measure the...

Thanks. I just saw that prior to your post. Why it doesn't match the other setting shown is beyond me.

I just tried the new software and am still getting negative delays. The first image below is the left speaker used as both the timing reference and the speaker to measure. In theory, the delay should be really close to zero, and as you can see, it is not. The 2nd image is using the Left...

Curious? Where do you see that I am using a 12KHz sampling rate? In preferences, I have 48KHz set as the Sample Rate. EDIT: I do see on the "Info" page that is shows a sampling rate of 12KHz??