Fortran How can I test my loudspeaker for sound output in Fortran?

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To produce a sound, such as a simple beep, using Fortran, one suggested method is to use the command "print *, char(7)" followed by "STOP" and "END". However, this approach may not work on all systems. It's important to verify the functionality of the computer's loudspeaker, as issues like a defective speaker, low volume, or distance from the CPU can affect sound output. For Windows users, testing utilities are available in the Sound settings, and a command like "type ctrl-g" can be used in a DOS prompt. For Unix or Linux systems, using "echo ctrl-g" may produce the desired beep sound.
jpapa
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Hello,

i want to produce a sound, for example a simple beep, with fortran. Can anyone help me please?



John
 
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Have you tried something like this, it works on my computer:

Code: 
      print *, char(7)
      STOP
      END
 
Last edited:
mathmate said:
Have you tried something like this, it works on my computer:

Code: 
      print *, char(7)
      STOP
      END


Unfortunately it doesn't work on my computer. Any other ideas?


John
 
I would verify the loudspeaker before going further.
Sometimes it may be defective, turned off, volume too low, or the CPU is too far to be heard.
If you are using Windows, there are utilities to test it. On my computer, I do not even have external speakers, just the one integrated in the computer case. Either way, I would check it first. If you are using unix or linux, you can try "echo ctrl-g". On Windows, you can try the utility from "Sound" in control-panel, or on a DOS-screen, type in "type ctrl-g". Note that ctrl-g is the key-combination, not the individual letters.
 
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