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#!/bin/sh | |
awk 'function wl() { | |
rate=64000; | |
return (rate/160)*(0.87055^(int(rand()*10)))}; | |
BEGIN { | |
srand(); | |
wla=wl(); | |
while(1) { | |
wlb=wla; | |
wla=wl(); | |
if (wla==wlb) | |
{wla*=2;}; | |
d=(rand()*10+5)*rate/4; | |
a=b=0; c=128; | |
ca=40/wla; cb=20/wlb; | |
de=rate/10; di=0; | |
for (i=0;i<d;i++) { | |
a++; b++; di++; c+=ca+cb; | |
if (a>wla) | |
{a=0; ca*=-1}; | |
if (b>wlb) | |
{b=0; cb*=-1}; | |
if (di>de) | |
{di=0; ca*=0.9; cb*=0.9}; | |
printf("%c",c)}; | |
c=int(c); | |
while(c!=128) { | |
c<128?c++:c--; | |
printf("%c",c)};};}' | ./sox -t raw -r 64k -c 1 -e unsigned -b 8 - -d |
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