Graphics.sound provides a normal system beep instead of the requested frequency #7463
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Comment author: @xavierleroy I'm afraid this is a limitation of Mac OS's implementation of the X11 protocol, whereas changing the frequency of the beep is not supported. Apparently this limitation has been with us for a long time. I doubt we want to invest time and effort to work around this particular limitation. If anyone cares enough to provide an alternate Mac OS implementation, please reopen this report. |
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Original bug ID: 7463
Reporter: jilljenn
Status: resolved (set by @xavierleroy on 2017-01-28T17:43:36Z)
Resolution: won't fix
Priority: normal
Severity: minor
Platform: Mac
OS: OS X El Capitan
OS Version: 10.11.6
Version: 4.04.0
Category: standard library
Bug description
Whenever I do "ocaml graphics.cma", then:
open Graphics;;
open_graph "";;
sound 440 1000;;
I only hear the system beep, instead of the requested frequency (440 Hz).
It was quite cumbersome to get the Graphics library working (because of XQuartz replacing X11). I followed these instructions:
http://www.cis.upenn.edu/~cis120/current/ocaml_setup.shtml
Apparently I got the same problem 9 years ago, under Caml Light:
http://caml.inria.fr/pub/ml-archives/caml-list/2008/01/ec702a21efe0060d15766bacce6c073b.fr.html
Steps to reproduce
Type "ocaml graphics.cma" in a console, then:
open Graphics;;
open_graph "";;
sound 440 1000;;
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