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A lot of these white noise thread are not just straight up pink / white / brown noise, some of them vary with time to create more soothing effects like wave sounds or sounding like a vacuum etc.

Speaking from experience of trying anything to try get babies to sleep!



You can totally do that too.

This is a nice synthetic ocean sound, with "waves":

  play -n synth brownnoise synth 0 0 0 10 10 40 trapezium amod 0.1 30
Or with a little more high end, it sounds like gusts of wind:

  play -n synth brownnoise synth pinknoise mix synth 0 0 0 10 10 40 trapezium amod 0.1 30


play seems to hang on my macos terminal. Its just stuck on:

        File Size: 10        
        Encoding: n/a           
        Channels: 1 @ 32-bit   
        Samplerate: 48000Hz      
        Replaygain: off         
        Duration: unknown

        In:0.00% 00:00:00.00 [00:00:00.00] Out:0     [      |      ]        Clip:0


That's weird. Works OK on mine.


Definitely. It has been my goto for white|brown|pink noise for a year now. Even the animation on the terminal looks a bit like "waves". [1]

Could you please share any other examples of commands?

[1] https://ibb.co/GVG0Rdf


> sounding like a vacuum

You stumped me there. Then I got it.




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