Kevin, I don't know how to do that anymore, if I ever did. I've used Jack for years. In general it works for me but it is a bit finicky.
As I say, software plugins in a real-time data path aren't something I ever do anymore. If I really think I need a compressor when recording it's going to be hardware which has its limitations as per that specific hardware device. However careful recording with good levels shouldn't ever be a noise floor issue so I just record softer and boost as necessary. I use Mixbus, the for-pay version of Ardour. I have general workflow templates that make getting set up easy, and frankly I'm recording so seldomly anymore that I'm not even current with much of Linux audio anymore. The alsa-users list used to be a very lively list. Today it's terribly quiet. Probably everyone who could help you is either off in a forum somewhere or winding down like me in retirement. Not sure any of this helps but as I say this list is so quiet I wasn't sure you'd get any answers. Good luck, Mark On Fri, Jul 9, 2021 at 11:03 AM Kevin P <petrilli.ke...@gmail.com> wrote: > Thank you for your kind reply, Mark. > The suggestions you gave me are surely helpful, and I will study in > deep some of the things you mentioned. > I agree with you that applying a compressor as part of post-production > would be the most efficient way of having the audio recorded the way I > want. > I am looking at jack too, i'll eventually install pipewire-jack as I > am already running on pipewire, I'll look up for jack-compatible > plugins. > I'd still like to try implementing this with plain ALSA though, just > to learn and experiment with it. > Let me know if you know how to do it this way too! > > Il giorno ven 9 lug 2021 alle ore 00:17 Mark Knecht > <markkne...@gmail.com> ha scritto: > > > > > > > > > > On Thu, Jul 8, 2021, 6:27 AM Kevin P <petrilli.ke...@gmail.com> wrote: > > > > > > Hello everyone, > > > I own a Scarlett Solo 3rd gen USB audio board, and I would like to use > > > a compressor > > > plugin from the package "alsa-plugins", Arch Linux. The goal is to > > > apply this effect > > > to my voice when I'm recording, always. > > <SNIP> > > > > > > I'm not quite sure this is correct, though. The compressor plugin I'd > > > like to use is > > > named "dysonCompress", it should be shipped with alsa-plugins package. > > > I could not > > > find documentation I could understand about this. > > > Any help would be greatly appreciated :) > > > > > > > In time critical applications like recording vocals you may find the > latency through software plugins to simply be unacceptable as it can really > throw off your sense of timing. Most important when recording is to not > have the technology get in the way of the performance. > > > > Should you really want to try it live then I would go with Jack and > simply route the scarlett's output, once inside the machine, through > whatever compressor you want to try and push the Alsa buffer size down as > far as you can without creating xruns. > > > > In my experience though, especially when beginning, I think you're > better off recording the vocal raw and then applying the compressor after > the fact in DAW. > > > > A lot of this depends on your monitoring chain. I Generally find that an > uncompressed vocal sent through a cheap hardware reverb in the monitor > chain is a great way to approach the problem of getting a good dry vocal on > disk. Once the vocal is on disk you can compress it anyway you want. At > that point it's just numbers. > > > > HTH, > > Mark > > >
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