Re: [LAD] So what do you think sucks about Linux audio ?

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
To: <linux-audio-dev@...>
Date: Saturday, February 9, 2013 - 12:08 pm

On Sat, Feb 09, 2013 at 11:16:48AM +0000, John Rigg wrote:

> By "dumbed down" I mean restricted in a way which may result in

I've seen some EQ plugins that actually become unstable near FS/2. And even
some where the author didn't bother to limit the F range in that case - move
the slider too far with some others at the right value and watch the smoke
from your tweeters.

Lots of plugins are written by people who apparently never have used real
audio engineering gear ever, and don't bother to test their code or even
understand what exactly it will do.

Some ten years ago someone wrote an 'RMS' routine as part of a compressor
plugin. It does a sliding window calculation over 256 samples. You can
find verbatim copies of it in at least 5 other dynamics plugins and also
in 'VU' meters (which are not even supposed to use RMS). While it's not
entirely wrong, the result is that the compressor (or whatever) will be
completely insensitive to level variations at some frequencies. For example,
at 48 or 44.1 kHz, any modulation by around 90 Hz (or integer multiples)
will be completely ignored. Five millisecs attack time ? Forget it - you get
some attack time that depends on input content in a completely haphazard way.
And of course the same lenght is used at whatever sample rate. The result is
then presented as an 'RMS' compressor...

> Another pet peeve is lack of a text entry field on controls, as it makes

I generally dislike text input on audio engineering tools. The controls
should have sufficient resolution. More often than not the author just
accepts the display resolution (e.g. standard toolkit sliders), and if
these don't have fixed sizes you don't even have repeatable settings.
For EQ frequencies I usually have steps 1/3 or 1/6 octave depending on
filter type, with finer steps availiable using a modifier key.

Ciao,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

_______________________________________________
Linux-audio-dev mailing list
Linux-audio-dev@lists.linuxaudio.org
http://lists.linuxaudio.org/listinfo/linux-audio-dev

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
[LAD] So what do you think sucks about Linux audio ?, Dave Phillips, (Tue Feb 5, 2:58 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Jörn Nettingsmeier, (Sun Feb 10, 11:26 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Fons Adriaensen, (Thu Feb 7, 11:08 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Michael Bechard, (Thu Feb 7, 11:47 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Fons Adriaensen, (Fri Feb 8, 12:06 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Michael Bechard, (Fri Feb 8, 12:25 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Fons Adriaensen, (Fri Feb 8, 1:02 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Fons Adriaensen, (Fri Feb 8, 10:15 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Harry van Haaren, (Sat Feb 9, 1:41 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Fons Adriaensen, (Sat Feb 9, 12:08 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Louigi Verona, (Sat Feb 9, 11:21 am)
Re: [LAD] So what do you think sucks about Linux audio ?, David Robillard, (Thu Feb 7, 3:25 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Thijs van severen, (Thu Feb 7, 12:30 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, David Robillard, (Fri Feb 8, 2:32 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Dominique Michel, (Wed Feb 6, 3:28 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Julien Claassen, (Tue Feb 5, 7:07 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Jostein Chr. Andersen, (Tue Feb 5, 4:55 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Florian Paul Schmidt, (Wed Feb 6, 4:42 am)
Re: [LAD] So what do you think sucks about Linux audio ?, Jostein Chr. Andersen, (Tue Feb 5, 5:43 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Thorsten Wilms, (Tue Feb 5, 4:19 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Pedro Lopez-Cabanillas, (Tue Feb 5, 7:09 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Johannes Kroll, (Tue Feb 5, 4:07 pm)
Re: [LAD] So what do you think sucks about Linux audio ?, Michael Bechard, (Tue Feb 5, 3:47 pm)