[Lazarus] How to produce a tone at Tone frequency for duration, MSecs (milliseconds)

Sven Barth pascaldragon at googlemail.com
Fri Sep 3 11:28:49 CEST 2010

Am 03.09.2010 11:03, schrieb Henry Vermaak:
> On 03/09/10 09:56, Sven Barth wrote:
>> Am 03.09.2010 10:24, schrieb Michael Schnell:
>>> On 09/02/2010 06:42 PM, Peter E Williams wrote:
>>>> Sorry, but I am using Linux Ubuntu. As someone else made the point, it
>>>> apparently can only be done if I have root access to write
>>>> to /dev/console.
>>> Of course Linux does have a sound subsystem that can be fed with audio
>>> data by user programs via a decent API: ALSA.
>>>> I didn't want a component that I need root privileges
>>>> to run.
>>> :)
>> If it is installed... -.-
>> That's the biggest problem with the Linux distrubtions "ecosystem" in my
>> opinion (but also one of its strengths): you can't rely on anything.
>> Some distros don't install this, some don't install that, some enable
>> setuid on beep (Debian), some don't (ArchLinux). No wonder that those
>> systems use things like autoconf :P
> Exactly the opposite. You can rely on _anything_ you want. Just add a
> dependency in your package to pull in the package you need. Using beep
> as an example is contrived, since it's almost always the wrong thing to
> use, and I presume that's why there's only one package in debian that
> depends on it.

This only applies to distros that provide a dependency resolving package 
system and if packages for your application are provided for that distro.

These two points should not be taken granted.


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