Decibel value mentioned to tones (siggen package) not working as expected
A difference of 2 dB cannot be noted by most people. The minimal
difference you can hear is 3 dB, but please try some more difference
e.g. 10 dB.
2010/1/31 Foss User <email@example.com>:
> I am using the tones command from siggen package.
> $ rm notes.wav; tones -w notes.wav 1000 440@-2 0 440@-4 && play notes.wav
> The command generates 3 tones, each one second long
> 1. 440 Hz at -2 dB
> 2. 0 Hz (silence)
> 3. 440 Hz at -4 dB
> However, both the first and third tones sounds equally loud. From the
> decibel values I have given, the first tone should have sounded louder
> than the third. Can someone tell me what is going on?
> N.B. The 'play' command is from sox package.
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