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New app release: Oscilloscope & Spectrogram by Blue Mangoo
This app is now available on the App Store:
https://apps.apple.com/us/app/id1525484137
In case you want to try before you buy, the test flight beta link will remain available for another two weeks:
https://testflight.apple.com/join/fodz4Iom
Comments
Congrats to the release - just bought it
Thanks!
Great work on this // is this a introductory price? I might need to wait a little bit to pick it up. Will definitely add some great visuals for my vids
We adjust prices if it seems appropriate to do so but for now, this is the price.
Cool, thanks for the reply
Nice.
Is there a full-screen view?
I can’t find it.
I think I found a bug.
When sliding down the frequency indicators on the side, the app freezes when you go all the way to the bottom.
This happens as AuV3 inside AUM and in standalone.
Latest iOS
iPhone 6s
I can confirm this glitch on IOS 13.6 iPad Pro 10.5. I‘ve moved that line so many times in the beta, how could that slip through my tests ?
@Gavinski I don‘t get your comment - this post is about a new oscilloscope and spectrogram ? I have no problem visualizing the output of Drambo - and the Blue Mangoo dev shows Zeeon (from Beepstreet) in his video.
That was posted here accidentally. I'll remove it, thnx for pointing that out
very nice work! thanks for this one @Blue_Mangoo !
Bought also this. Congrats @Blue_Mangoo.
Never understood so well how oscilloscope and spectrogram work, but now I will do with your app✌️
No full screen yet. We are considering adding it.
Thanks. I have written this on the work list.
That auGenX looks useful. I am also thinking of making a test signal generator app as a companion app for this oscilloscope. Mine would be simpler than that though. I was thinking to generate sine sweeps, saw sweeps, Pink noise and white noise and intermittent impulses. That’s all. Those are really the only test signals I need that I cant already get from zeeon.
Thanks
@Blue_Mangoo Congratulations on the release of your new app! I was in the beta, and now I’ve purchased.
I understand you’re celebrating your new release, but I am curious to know if you are still working on an audio editor?
We are.
Cool, looking forward to it.
This one is pretty neat actually...
...I just miss one feature that is present in the DiscoDSP Oscilloscope, Drambo oscilloscope and Melda Oscilloscope to name a few.
ie. the oscilloscope optionally restarts the drawing whenever it passes a set threshold so one doesn't have to 'hunt for the correct pitch' to see a stable waveform shape. (The Minilogue oscilloscope works like this too).
The Frequency mode already works quite well, it would just need a similar trigger setting as the trig mode

I trust @Blue_Mangoo knows how to do this
Runs incredibly smooth on my ancient iPad Air 2, 5 starts from Sweden...
It has that feature. That’s the trig mode.
Ok, missed it sorry

The demos gave me the impression that trig mode was mostly used to catch transients...
...my bad I need to dig deeper
I see what you mean.
I didn’t really demonstrate it on steady waveforms. I was afraid it would be difficult to understand what it does unless I did the transients demo. But now that you mention it, I can see how the transients alone don’t make it clear what it would do in the case of a steady wave.
No worries, it works really well
Also I think I've found a bug, when I move the 'pitch detection-line' all the way down on the screen the app freezes and becomes unresponsive.
The 'Freeze' happens in both Stand-Alone and AUv3. The AUv3 crashes when I try to remove it.
(Here's a clip showing the bug)
https://www.dropbox.com/s/6tgh21kfcr9uwxx/BUG.mov?dl=0
(I think the 'bug' might be a simple missing check if the detection value is out of bounds).
Cheers!
/Samuel
I just noticed this freeze also. Needs force quit, and logs SIGKILL when that is done.
I've noticed that when I tap/hold on the spectrogram frequency scale, the note marker line does not appear until I drag 1-2 mm vertically. Does anyone else see this, or is it just me?
@jolico already reported this bug yesterday, it's about 15 posts above yours.......
Thanks, sometimes I'm a bit 'blind' too
Hopefully it's a simple fix...
@Blue_Mangoo - Small suggestion: It would be handy to be able to change the scale on the right hand from hz to note. I realize you can move the cursor and see the note reflected on a knob, but being able to take a quick glance to get the overall idea would be great. This is especially true when looking at chordal input.
Displaying all the notes in the space available isn't practical, so some would need to be left out, but if at least the C's and as many others as works visually could be displayed it would still be helpful.
Better yet would be a very small keyboard display in that space, with just the octaves labeled. That would make identifying notes visually a breeze.
@Blue_Mangoo I bought a book a while back that breaks down how to reverse engineer sounds using an FFT spectrum analyzer like http://mdsp.smartelectronix.com/freakoscope/
Can this be done in a similar way with your plugin? I don’t know much about the different types of spectrum analysis.
Sample of the book: http://synthesizer-cookbook.com/SynCookbook.pdf