4 Feb
2022
4 Feb
'22
12:50 p.m.
On Fri, Feb 04, 2022 at 11:25:30AM +0100, Peter wrote:
Dear Joel,
Am 04.02.22 um 11:02 schrieb Joel Roth:
[...]
thanks, yes this work nicely from the command line.
However, calling this from a small C-code looks not like a simple solution,at least one
has to install ecasound,
on on quick search I couldn't find an API for it.
You would have to install it, but there is a C API.
https://ecasound.seul.org/ecasound/Documentation/programmers_guide/html_eci…
There I
was using the KbdCtl.bell_* to generate tones with a given frequency and duration:
// switch to new state
KbdCtl.bell_percent = 100;
KbdCtl.bell_pitch = Frequency;
KbdCtl.bell_duration = Duration;
XChangeKeyboardControl(pDisplay, KBBellPercent | KBBellPitch | KBBellDuration,
&KbdCtl);
Is there still such a simple method available to generate a tone with a given duration
and frequency.
Of course I could generate a corresponding array and send it to jackd, I'm just
looking for something simple.
1200Hz for 10s
ecasound -i:tone,sine,1200,10 -o:jack,system I also tried pysine, but I have difficulties to get it
running.
To refine my question, I'm looking for a simple replacement usable within C.
Best regards,
Peter
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Joel Roth