Hi All,
GRAME and Faust are selected for Google Summer of Code 2023:
https://summerofcode.withgoogle.com/programs/2023/organizations/grame
Projets ideas here: https://github.com/grame-cncm/faustideas
Contributions welcome !
Stéphane
___
Linux-audio-d
On Wed, Feb 22, 2023 at 03:42:00PM +0100, Fons Adriaensen wrote:
> BTW, just using
>
>sem_timedwait ()
>
> in a RT thread I get
>
> Min ~ 60 us
> Max ~ 135 us
> Average ~ 74 us.
And using
clock_nanosleep (CLOCK_MONOTONIC, TIMER_ABSTIME, &T, 0);
in a RT thread I get
Min ~
Hi Fons,
thanks for this tip, The functions look good and helpful. But perhaps
I'm not getting something. I made a very simple test program, no RT
thread, no special thread at all.
https://www.dropbox.com/s/ox9owa6fdd459dt/nanosleep.cpp
I tried including both time.h and ctime. The result is that
Feb 23 2023, Jeanette C. has written:
...
I made a very simple test program, no RT
thread, no special thread at all.
https://www.dropbox.com/s/ox9owa6fdd459dt/nanosleep.cpp
...
It just needed a function to do clever increasing of the timespec
nanoseconds.
Best wishes and thanks again,
Jeanett
Hey hey,
how is a logarithmic curve usually programmed in a DAW or sequencer? Do you
scale the values of (log1) to log(2) to the desired range and stretch it over
time? Do you ajudst steepness by either using more less of the log function or
changing both values like log(20) to log(21)?
I'm s
On Thu, Feb 23, 2023 at 07:09:51PM +0100, Jeanette C. wrote:
> how is a logarithmic curve usually programmed in a DAW or sequencer?
It's not clear what exactly you are asking...
If a = log (b), b = exp (a), what are a and b in your case ?
Ciao,
--
FA
_
On Thu, Feb 23, 2023 at 07:09:51PM +0100, Jeanette C. wrote:
> Hey hey,
> how is a logarithmic curve usually programmed in a DAW or sequencer? Do you
> scale the values of (log1) to log(2) to the desired range and stretch it
> over time? Do you ajudst steepness by either using more less of the log
Hi Fons,
I don't understand, exactly what you mean. So here's an example. I
record some music in a DAW. I have a beat based timeline (bars, beats,
ticks and a tempo). Then I want to gradually change the tempo. AFAIK
several DAWs offer predefinede curves to do such changes. You may have a
linear ch
On Thu, Feb 23, 2023 at 08:43:52PM +0100, Jeanette C. wrote:
> In my example: I want to change the tempo from 120BPM to 150BPM over
> four bars of equal length.
What you want here is probably an exponential mapping from bars or
beats to tempo.
For example if you want to change from 1 to 4, a li
Feb 23 2023, Fons Adriaensen has written:
...
So if the start and end values are A and B, you would make a linear
function from log (A) to log (B), and then use exp () on that to
find the tempo at any point.
...
Thanks! This is fascinating. Starting with an exponential curve i.e.
first get exp(a
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