guitar synthesizer in one line of C

f=220;echo "int s=16e3/$f;main(i){unsigned char v[s];read(0,v,s);for(;;)putchar(v[i%s]=(v[i%s]+v[++i%s])/2);}"|gcc -x c -&&./a.out</dev/urandom|aplay -d 2
outputs a f=220Hz guitar string sound (fifth string A) needs ALSA

7
By: tehdog
2013-06-28 14:52:53

What Others Think

or, using first argument as a frequency: echo "main(int i,char **a){int s=16e3/atoi(a[1]);unsigned char v[s];read(0,v,s);for(;;)putchar(v[i%s]=(v[i%s]+v[++i%s])/2);}"|gcc -x c - then ./a.out 220 </dev/urandom|aplay -d 2
tehdog · 267 weeks and 4 days ago
Karplus?Strong? Awesome! =)
MarxBro · 267 weeks and 1 day ago
attempt at an explanation: https://pastebin.com/5ky6xptQ
anonlastname · 3 weeks and 3 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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