From: Rodolfo Medina <rodolfo.medina@gmail.com>
To: "Dr. Thomas Tensi" <t.tensi@gmx.de>
Cc: sox-users@lists.sourceforge.net
Subject: Re: Reduce distortion?
Date: Fri, 17 Jul 2020 08:52:06 +0000 [thread overview]
Message-ID: <87365qsevd.fsf@lenovo> (raw)
In-Reply-To: <91eb97bf-22f4-9ca4-1731-478d65a0e998@gmx.de> (Thomas Tensi's message of "Fri, 17 Jul 2020 10:38:17 +0200")
"Dr. Thomas Tensi" <t.tensi@gmx.de> writes:
> Hello Rudolfo,
>
>
> you wrote:
>> I regularly use Sox to mix different audio channels, and I find it a
>> fantastic tool.
>
> So do I.
>
>> Now I did some piano home stereo live recording, and the playback
>> reveals here and there some distortion, probably because the
>> microphones were too close the piano strings. Tomorrow I'll try
>> to fix that error, but I like today's recordings and am sorry to
>> have to throw them away. Perhaps can Sox help in some way to
>> reduce the distortion? Or any other tool? I suppose also a
>> little could be all right...
>
> In principle it is hard to get rid of digital distortion. With SoX I
> would use some naive mixing trickery like selective low-pass-filtering
> the distorted parts or mixing the distorted signal with a
> lowpass-filtered and slightly compressed version. This could mask the
> critical parts somewhat.
>
> You could also try a research project from the Georgia Tech University
> called ClipAway from 2016. I didn't try it myself, but the approach
> looks interesting. They have a web-site available where you can upload
> your file and get it "declipped".
>
> https://cplaguna-audio.github.io/ClipAway/
>
> Maybe you can report your success (or failure)?
Thanks you, Thomas... At the address you report, I don't manage to load my
example... I click onto `Load example' but nothing happens... And also the
other buttons, all inactive for me... Strange...
Rodolfo
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next prev parent reply other threads:[~2020-07-17 8:52 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-16 21:05 Reduce distortion? Rodolfo Medina
2020-07-17 8:38 ` Dr. Thomas Tensi
2020-07-17 8:52 ` Rodolfo Medina [this message]
2020-07-17 9:56 ` Dr. Thomas Tensi
2020-07-17 12:33 ` Rodolfo Medina
2020-07-17 12:45 ` Dr. Thomas Tensi
2020-07-17 12:49 ` Måns Rullgård
2020-07-17 13:02 ` Rodolfo Medina
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