Re: [linux-audio-user] Re: 192kHz

From: Sampo Savolainen <v2@email-addr-hidden>
Date: Sun Jan 29 2006 - 01:21:06 EET

On Sat, 2006-01-28 at 13:21 +0100, Carlo Capocasa wrote:
> > Only two values are enough to mathematically reproduce
> > an exact waveform; even more precise than you can sample it.
>
> Like vector graphics! So if that's the case say, why do we still have
> MP3? Why don't we just convert whatever sound files we have into
> mathematical formulae and have players to convert them to sound at any
> sampling rate?

To quote a friend:
(tanh(sin(2*pi*(tanh(((sin(2*pi*(t+1/16)+sin(2*pi*(t+1/16)+
sin(2*pi *(t+1/16)+sin(2*pi*(t+1/16))/2)/2))+1)-2)*2)+1)*8)*
(tanh(((sin(2*pi *(t+1/16)+sin(2*pi*(t+1/16)+sin(2*pi*(t+1/
16)+sin(2*pi*(t+1/16))/2) /2))+1)-2)*2)+1)*6*(tanh(((abs(
sin(2*pi*t/90-sin(2*pi*t/45)/2))-1) *2)+1)+1))/2*tanh(sin(2*
pi*t/180)*20)+(sin(2*pi*t*f*2^((2*(int(cos (pi*int(t*4)/2)+
cos(pi*int(t*4)/4)))-24)/12)+(sin(2*pi*t*(f+5)*2^((2 *(int(
cos(pi*int(t*4)/2)+cos(pi*int(t*4)/4)))-36)/12)))*(1-2*abs(1-
t %0.5))*8*(tanh(((sin(2*pi*t/180-sin(2*pi*t/90)/2)-1)*2)+1)+
1)) *sin(2*pi*t*2+abs(sin(2*pi*t*2+abs(sin(2*pi*t*2)*0.5))))/
16+sin(2 *pi*t*f*2^((2*(int(cos(pi*int(t*4)/2)+cos(pi*int(t*4
)/4)))-36)/12) +(sin(2*pi*t*(f+5)*2^((2*(int(cos(pi*int(t*4)/
2)+cos(pi*int(t*4) /4)))-48)/12)))*(1-2*abs(1-t%0.5))*4)*
sin(2*pi*t*2+abs(sin(2*pi*t *2+abs(sin(2*pi*t*2)*0.5))))/2)*
tanh(sin(2*pi*t/180)*20)+(tanh ((sin(2*pi*t*f*2^((2*(int(
cos(pi*int((t-6/8))/2)+sin(pi*int((t -6/8))/8)))-0)/12)+sin(2*
pi*t*5)/2) *(tanh(cos(2*pi*(t-2/8))*5) +1)+sin(2*pi*t*f*2^((2*
(int(cos(pi*int((t+6/8))/2)+sin(pi*int((t +6/8))/8)))-0)/12)+
sin(2*pi*t*5)/2)*(tanh(cos(2*pi*(t+2/8))*5)+1)) *(tanh(sin(2*
pi*t/180)*2)/4+sin(2*pi*t/180-sin(2*pi*t/180))*0.78)) /4+
tanh((sin(2*pi*t*(f+1.2)*2^((2*(int(cos(pi*int((t-6/8))/2)+
sin(pi*int((t-6/8))/8)))-0)/12)+sin(2*pi*t*5)/2)*(tanh(cos(2*
pi*(t-2/8))*5)+1)+sin(2*pi*t*(f+1.2)*2^((2*(int(cos(pi*int((t+
6/8)) /2)+sin(pi*int((t+6/8))/8)))-0)/12)+sin(2*pi*t*5)/2)*
(tanh(cos(2 *pi*(t+2/8))*5)+1))*(tanh(sin(2*pi*t/180)*2)/4+
sin(2*pi*t/180 -sin(2*pi*t/180))*0.78))/8)/5)*0.9

f=440

Also audible as an mp3 at:
http://www.mikseri.net/elektrojaenis
(It's one of the songs, just press the download link above the formula)

A bit OT though, as it's made with Goldwave in windows

-- 
Sampo Savolainen <v2@email-addr-hidden>
Received on Sun Jan 29 04:15:04 2006

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