Stereo Tool

Well, according to the thread I created, it seems I am not the only one who has a terrible FM Transmitter with tilt that cannot be fixed with current implementation. 2 companies selling similar overshoots. One of them with TERRIBLE support (which I had), one with better (but not always the greatest according to @Anthony96922).

Does that count as being scammed?
Yeah! I chose HD because the HD signal sounds heavy the most. I think it should be backward due to the codec...
Is Matrix mode not something you planning on adding to the new AGC?

Have you tried using FM calibration? It's not perfect, but my signal is a lot better than before.

Yeah, I have. First thing I tried. It so bad, I can't tell a difference.

Version 10.11 is released! We're going to continue at 10.12, with the new compressor turned on again.

Nice! Quick turn-around tackling those 10.10 issues.

So, I have a use case that I'm not sure how to handle, and I think the 'correct' solution may need to be implemented by you guys.

I'm interested in a slider/balance fader between inputs 1 and 2 available when used in combine (add) mode. I realize I could raise the Input Gain of each and balance that, but that affects bypass loudness even if offset by negative preamp gain. But I think optimally a slider that attenuates one of the inputs when all the way to one side, and equally loud when centered, would be the best solution. This way one could even use something like Autohotkey to script a single midi knob or fader to do the balancing.

Would this be a reasonable addition?

Input Balance was wrong since it's added, Many pointed to that long time ago, but Hans never fixed it, and if i remember, he said that's how balance should work.

And about FM calibration, me asked several times for Calibration PEQ, but Hans said that is not needed. But strange he kept current one wich is super narrow but kinda still usefull.

And fun fact about Square test tone, after 4.8kHz becomes sine-tone.

Well I didn't say it's not needed, I said it *shouldn't* be needed. Even with the worst, 15 euro battery powered transmitter that I have ever seen, which drifted over the frequency band as the battery started to run out, the current calibration can make it nearly completely flat. Since you can only setup something like this if you have a modulation meter (and even with one it's really difficult to do it, especially to get the phases right), I think it's very rare that people would have a transmitter that's worse than the one I just mentioned, but they do have a modulation meter and the knowledge to configure it properly.

So what is it that you cannot do with the current calibration? I kept it in because the code exists (I wrote it at the time because that horrible transmitter was the only thing that I had), and if someone really needs it it's at least still there. But given how bad that transmitter was (phase effects of more than 90 degrees, some frequencies in the middle of the range needed to be reduced by more than 9 dB while others needed to be boosted), I don't know what more could ever be needed.
A real square wave will constantly show massive overshoots, so we used a smoothed square wave. It's difficult to properly generate a square wave at higher frequencies with this smoothing. And since the main goal is to find tilt, it's not really needed on higher frequencies either.

Hi Hans,

I agree with a lot of Bojcha's point, I'm not saying that the current calibration isn't good, but with Leif's method in BAO it's really child's play, with the "QUICK SWEEP" and "COMBO" tests in 30 seconds you have calibrated everything on your transmitter, with "COMBO PHASE" you adjust if there are phase problems, the "PEQ" helps and facilitates the work of correcting the frequency response.

Best regards