>>1846
س=floor,ف=t=>t.length,this.v??=0,Rev=(w,s,i)=>(v++||(a=Array(s).fill(0)),w=w%256+a[z=v%ف(a)],a[z]=w
i,w),t=2,M=tan,م=sin,$=random,I=512,i=16,j=12,n=[15.47,16.39,17.36,18.39,19.49,20.65,21.87,23.17,24.55,26.02,27.56,29.2],L=ف(n),S=6E3,C=t/S,q=س(C/I),N=q
q&15,J=(S-C)4&3,k=C/2%1,R=[i,i,13,18,11,,13,18,i,i,13,18,11,,9,6,],r=ف(R),B=R[(C
>>1)%r],H=B==null,B=H?R[((C
>>1)-1)%r]-N:B-N,A=[40,,37,35,33,28,25,23,21,i,13,11,9,4],l=ف(A),c=C+192,D=A[c&ceil(c/48)+c/32&31]-N,w=c-3.1,d=A[w&ceil(w/48)+w/32&31]-N,s=A[(C+3)/7&37-C/9+I&l],s=s==A[(C/5-1&37-(w-7/4-1)+I)&l]?-1:s-N,Q=A[س(l-(C%64)/2)%l]-N,T=19-i
(C/3%1),X=t/n[B%L]/(2س(B/j)2),Rev((C>768&&(م(t/((n[s%L]
2س(s/j)/2)))-م(1.5w)-.5&T)+(م(t/((n[(s-7)%L]
(2س((s-7)/j))/2)))-م(w)-.5&T))+(C>1536&&(م(t/(n[Q%L]2*
س(Q/12)/4))-م(2w&7)-1)&16-16
(C/2%1))+(C>128&&(M(t/(n[D%L]2*
س(D/j)))&20)+(M(t/(.05+(n[d%L]2*
س(d/j))))&j))+(C>64&&($()4>>(-C
2&-t/2>>C)&J)4)+(C>I&&($()
8>>(C8&-t/i>>C)&J)
4)+(k<.12&&C>32&&(M(t21)/M(-t/15))&((C)&3)
7)+(C>1280&&(م(1E9/(S+8/(C64%256)))+1)
11)+21م(X+(H?1.5:5-5
k+1.5)م(X/2))+21,21374,.5)
or
https://dollchan.net/bytebeat/#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
(i losslessly optimized the original using variables then combined it with portableporeclain's new reverb & t*=2)
WARNING!
at 100-130 seconds, it will almost become replaced by nan then at more than 130 seconds, it will completely become a NaN