For those looking for noise gen options, sox can be used to get a variety of fairly complex noise sounds. I tried a bunch of things based on an old blog post [

For those looking for noise gen options, sox can be used to get a variety of fairly complex noise sounds. I tried a bunch of things based on an old blog post [0] with a bunch of helpful comments and the Reddit thread linked from there [1]. I like: play -n -n --combine merge synth brownnoise synth pinknoise mix band -n 1200 1800 tremolo 50 10 tremolo 0.14 70 tremolo 0.2 50 flanger 4 2 95 50 fade h 2 There is also this clever Star Trek style noise (from the Reddit post): play -n -c 2 synth whitenoise lowpass -1 120 lowpass -1 120 lowpass -1 120 gain +14 fade h 1 [0] http://unreasonable.org/white_noise_generator_with_sox_for_Linux http://unreasonable.org/white_noise_generator_with_sox_for_L... [1] https://www.reddit.com/r/scifi/comments/n7q5x/want_to_pretend_you_are_aboard_the_enterprise_for/c36xkjx/ https://www.reddit.com/r/scifi/comments/n7q5x/want_to_preten...