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ITU loudness meter, 1/3 and 1/6 octave RTA, and oscilloscopes, just for good measure. Window is fully resizable and dockable, and Breakaway RTA is completely FREE!
All you need for a night-and-day real sound quality improvement of your speakers, is a $50 Behringer ECM 8000 microphone, a microphone preamp with 48v phantom power (or an USB audio interface like EMU Tracker Pre), Breakaway Live, and Breakaway RTA.
I will make a speaker calibration tutorial video some time in the future, unless someone beats me to it! (hint, hint)
0.62 beta can be downloaded here.
Enjoy!
///Leif
Just wanted to say thanks once more (duplicating my earlier thanks) for this. I have already started playing around with it, and today ordered a Behringer ECM8000 mic for this project next month. Thanks to you, the mic is the only thing we have to pay for.
Lpy, does any other Breakaway product do the same thing?
They should, because it’s the same Audio I/O code (kernel streaming / wave / directsound) as Breakaway RTA.
Try using a different flavour of Audio I/O, for example WaveIn is safest.
How are you exiting the program? I tried five ways — clicking X, Alt-F4, main right-click menu "exit", tray right-click "exit" and taskbar right-click "exit". Every single way I could think of, passes the same Shutdown procedure, which nicely asks the audio interface to close. Perhaps I missed something?
///Leif
Nah, every other Breakaway product works perfect.
sneradio had the same problem viewtopic.php?p=3230#p3230
That first alpha version was the one that crashed sneradio’s pc, but that worked fine for me. This one doesn’t.I tried closing it the normal way, and then tried forcing the process to end with Task Manager. Surprisingly, that method still froze the pc.
Just tried your suggestion on using Wave-In and it froze as soon as I clicked OK.
I don’t really wanna experiment too much cos each time it freezes I have to walk into the other room, hit reset, and then come back in here… not to mention the risk of corrupting files each time.
I’ll keep an eye out for updates though.
Good point, Sneradio did have the same problem.
The only thing I can see that I forgot was to destroy the AudioInterface object before exiting. I’ve implemented that now — not sure if that will make a difference.
One thing is certain — user mode applications cannot crash or freeze the computer. It takes a broken driver to do it. What sound card are you using? On-board? If so, what sound chip?
Perhaps I can reproduce it — I do have about 20 computers at home, chances are one will be similar 😉.
Here’s the latest version, 0.60.02 beta, where I do deallocate the audio driver on shutdown:
http://bredband.leif.cx/browse/rta
///Leif
Cool. As I mentioned, it did it when changing to Wavein, so it’s not just on shutdown.
New version still freezes. Soundcard, ADI1888 SoundMAX.
I tried it on the laptop, and selecting Wavein made only the program freeze, for about 30 seconds.
The closest I have to that is my old Dell Latitude D610 with Sigmatel C-Major Audio onboard. Just tried Breakaway RTA on it — runs and exits beautifully, both with kernel streaming and wave.
///Leif
I have 2 ideas:
1) I think it would be a really great and useful feature as far as analyzing a room or speakers to allow Breakaway RTA to take a graphic ‘snapshot’ of the RTA Freq Analysis picture and store them for quick recall. (Perhaps 5 on buttons?)2) Building on that even better would be the ability to overlay those snapshots to make it really easy to see where a peak or node is occurring quickly.
Cixel, you’re absolutely right on both counts. In fact, I’ve been planning to do it (I also realized the need while tweaking my speakers), just haven’t gotten around to it yet.
///Leif
Another thing I thought of… it would be quite convenient to have RTA be able to output to a soundcard as well. DS and MME would be fine. KS, sure, why not. 😛
^ The input audio. I find myself sometimes having to use "Audio Repeater" of VAC to do that if i’m routing audio to the RTA through a VAC/Pipeline, and the audio repeater never remembers settings, and can sometimes glitch even with a long delay, which makes viewing the RTA delayed.
Another thing that might be nice is being able to force it to only have one of the 3 items, RTA/meter/scope.
There are some times when just a meter would be nice. Or just an RTA. 8) No matter what size the gui is.
Regarding the output repeating: Good point. I’ll do it.
Recarding the layout, that’s not so easy to do. Different things have different constraints.
For example, what if you choose to view only the meters, and then make the window completely square?
Or, how about selecting Oscilloscope Only and then dragging the window into a flagpole? (Same with RTA).
I don’t know how to make thin work conceptually. Could you make some mockups and show me?
///Leif
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