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9

The best way to do this is a Dynamic Range Compressor. Audacity has one built-in, under "Filters->Compressor." This is, essentially, a program that removes the range between quiet sounds and loud sounds. It's surprisingly easy to use. Set the "Threshold" value to something very low. Set the "Noise floor" to around -30DB. Set the ratio to a very high ...


5

Take a look at sox Quoting man sox: SoX - Sound eXchange, the Swiss Army knife of audio manipulation [...] SoX is a command-line audio processing tool, particularly suited to making quick, simple edits and to batch processing. If you need an interactive, graphical audio editor, use audacity(1). So, it should be a nice fit as a companion ...


2

Here is a starting point: command | tee >(aplay -r 32000 2> /dev/null &); pkill aplay Try it with dmesg or ls -l /usr/bin to test. (Set your volume low first) Tee simply splits output to two places. There is a pkill aplay so that the sound ends when the command exits. Adjust the rate (-r 32000) to make it higher or lower. Note that this is very ...


1

Try the following: set your desired value with amixer set Master [100 | any other value] or amixer set 'Master',99957 (as you have found out for yourself) then force store the setting of the volume control with alsactl store(make sure you are root)


1

Although I haven't been able to figure out the problem with this solution, I have found an alternative one, which seems to be working: using PulseAudio's equalizer, where each channel can be configured separately.



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