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Recording Harmonica | Software problem !!

Posted: Mon Sep 07, 2020 12:16 pm
by FloCre
Hi everybody,

I have BIG problems recording harmonica with Ableton. I always experience random clicks depending on where I play my recording from and the clicks even are exported!

It's not the recording or my equipment. The files saved to the project folder are always clean. I have this problem for a long time now and pretty much changed my whole setup during the last few months.

This is an example:
https://www.dropbox.com/s/u9wy55bg3y9zj ... n.wav?dl=0

Does anyone of you have an idea how I can fix this problem? It definitely is a software problem.

I had to record harmonica in Garage Band lately to not risk these almost random clicks...

I look forward to hearing from you.

Best,
Konstantin

Re: Recording Harmonica | Software problem !!

Posted: Mon Sep 07, 2020 12:19 pm
by Richie Witch
What's your buffer set to? Have your buffer set incorrectly could cause this problem.

Re: Recording Harmonica | Software problem !!

Posted: Mon Sep 07, 2020 12:28 pm
by FloCre
It was set to 512 but it doesn't matter if it's 32 or 2048 :|

Re: Recording Harmonica | Software problem !!

Posted: Mon Sep 07, 2020 5:18 pm
by TLW
Is the harmonica valved by any chance?

Re: Recording Harmonica | Software problem !!

Posted: Mon Sep 07, 2020 7:02 pm
by FloCre
That's a next level question :!:
The harmonica isn't valved though...

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 08, 2020 1:44 am
by TLW
I asked because valves clicking shut in some of my half-valved harmonicas can sound like someone’s tapping the mic stand if I get too close to the mic. Then there’s the rattling sound when note-bending makes the reed hit the cover plate in the low-octave ones.... Complicated things harmonicas.

I actually can’t hear much wrong with the audio clip you posted. There seems to be a “pop” right at the start that sometimes I hear and sometimes I don’t. If that’s the problem it might be worth checking that you are splitting the clips when the wave-form crosses the “zero dB” line. Otherwise the audio goes from silent to a sudden volume jump when the clip starts playing which can make popping noises.

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 08, 2020 1:32 pm
by fishmonkey
i hear a click just after the start and a bit before the end of the sample...

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 15, 2020 10:31 pm
by FloCre
This is a clean file from the project folder:
https://www.dropbox.com/s/ocwqzhftc488u ... D.wav?dl=0

This is the damaged export:
https://www.dropbox.com/s/ziht25rcvr5yq ... t.wav?dl=0

I'm close to buying Logic but I really don't want to learn another DAW...

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 15, 2020 10:59 pm
by fishmonkey
how are you doing the export? are there effects on the export?

does this happen only with files recorded by Live, or even if you import a good sample recorded elsewhere?

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 15, 2020 11:24 pm
by FloCre
There are no effects applied at all. Just a 24bit WAV without Dithering just as it was recorded.

It only happens with files recorded by Live and basically only with harmonica. Never had any problems with vocals!

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 15, 2020 11:26 pm
by fishmonkey
btw one is a mono file and the one with glitches is stereo...

Re: Recording Harmonica | Software problem !!

Posted: Tue Sep 15, 2020 11:43 pm
by TLW
I’m guessing a bit, but the crackles almost sound like the D/A convertor (or Live’s master channel) is being clipped slightly while exporting, maybe reducing the export volume level a little or putting a brick-wall limiter on the master channel set to output no higher than -1dB might help. Another possibility is Live’s warp function is introducing some artefacts into the export. Try switching it off (if it’s on) or trying a different warp algorithm.

As for switching to Logic (which I have and, despite it’s MIDI frustrations and annoyances, sometimes use), Live is no better or worse at exporting audio accurately than any other DAW.