I was using the beep command in the 'beep' package to generate tones.
I find that it doesn't quite behave as expected. I ran the following
two commands:

$ beep -f 440 -l 1000
$ beep -f 880 -l 1000

The 880 Hz sound sounded lower in pitch than 440 Hz sound.

Also, it sounds out of tune with the sound generated by the following commands:

$ ecasound -i tone,sine,440,1 -o alsa
$ ecasound -i tone,sine,840,1 -o alsa

Note that the output of this command sounds proper, i.e. 880 Hz sounds
higher in pitch than 440 Hz. Is this a bug in the beep command?


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