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Not quite a month after 3.0.1, I’ve put the last of the bugs in 3.0.2 to rest. The waterfall display that shipped in 3.0 (and 2.0) was not providing as nice a result as I think it should have been — resonant frequencies were not very obvious, especially if smoothing was enabled.At any rate, the new algorithm I use produces much better results now, but there is a lot of improvement to be added in a future release. I will have to extend the number of options further to allow the user to set up more parameters used to generate the waterfall graph, because these parameters can yield completely different graph results, and expose/hide certain acoustic behaviors.In this release, I took care to optimize code in certain hot spots, as I hit them while testing some terrible crashers. I also added some more multi-core routines that will make FuzzMeasure absolutely fly on the 8-core Mac Pro machines (more on that later…) while operating on multiple records in your collection.Now I can return to working on 3.1 again — until the next few showstoppers come in and force a 3.0.3, that is… :)Check out the Release Notes for more details and to download the latest release (if you haven’t already).Credit card application center
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One very common question I get asked by new users is to demonstrate how hardware should be set up for measurements. In the past, a severe lack of time meant that gathering and presenting this information was nearly impossible.

After an entire day of effort (cleaning off my desk to take pictures, taking and cleaning up the pictures, coding up the HTML, etc) I finally have the Getting Started with FuzzMeasure Pro guide online.

I only have a single main section in that document, covering the basic setup of audio hardware for new users. I touch on a few topics like loopback connections, which are required for device correction.

I plan on extending the document further over time, and incorporating the content into the manual one day. In the meantime, I find this method of presentation very simple to maintain and accessible for new users that may not have downloaded the software yet, so putting it in the manual isn’t a high priority at the moment. (Believe it or not, I get a lot of requests from users to send them the manual because they’re on Windows or earlier releases of Mac OS X).

If you have any requests for topics to be covered in the document, please send me an email and I will do my best to get that content added.

I’m working at home on FuzzMeasure for only a week, and now I have FuzzMeasure 3.0.1 ready to go out the door. Coincidence? Hardly.

I fixed some pretty nasty issues (broken AIFF exporting of impulses and stimulus signals), along with some harmless-but-irritating ones (like the look of the graph markers).

Having all this extra time means I could package up a subset of the work I’ve been doing into a maintenance release. In the part-time era of SMUG, the work would get piled into a giant bucket that would eventually become FuzzMeasure 3.1 (or, 4.0 if we want to look at how I’ve done things most recently).

Enjoy the update, and keep filing bugs as you find them!

John Atkinson, editor of Stereophile Magazine, has written up an article about the measurement equipment he uses to produce the measurement sidebars (example) for Stereophile’s equipment review articles. According to John, FuzzMeasure is increasingly becoming John’s weapon of choice for measuring the frequency responses of loudspeakers.

Continue reading Measurements, Maps & Precision on Stereophile’s site.

A few days ago, I was featured on Apple’s download site and have received a huge torrent of download requests (for FuzzMeasure, anyway).

The ‘killing’ part happened last night, when Apache just stopped accepting HTTP connections. After some investigation, it turns out I had to increase Apache’s MaxClients setting from 20 to 50 to handle the increased load. There were so many people downloading at the same time that Apache wouldn’t let anyone else into my site!

<apachenerd>I should probably also investigate switching from prefork back to worker, but I’m pretty sure something I have running on the server requires me to use prefork.</apachenerd>

So far, the number of downloads since being featured has passed 8500, and it’s rising like crazy. I’m so grateful for being featured, as it’s obviously helping to get FuzzMeasure in the hands of so many new users!