[music-dsp] very cheap synthesis techniques

Stefan Hållén stefan.hallen at gmail.com
Tue Feb 28 07:51:04 EST 2012


Well, this is a favorite :)

http://www.youtube.com/watch?v=tCRPUv8V22o#t=5m14s

2012/2/28 Renato Fabbri <renato.fabbri at gmail.com>
>
> Lookup table in python code:
>
> ######### Lookup table ############
> def lookup(table, dur, freq):
>    """X Hz Y segundos ---- Y*44100 amostras X senoides
>    X*T*n.arange(Y*44100)/(Y*44100)"""
>
>    T=len(table)
>    SI= freq * T / samprate
>    ap=0
>    samples=[]
>    for i in xrange(int(dur*samprate)): # n_de_amostras = dur * ramprate
>        samples.append(table[int(ap)])
>        ap = (SI + ap)%T
>    return samples
>
> any more favourites? :-)
>
> btw: http://wiki.nosdigitais.teia.org.br/FIGGUS http://paste.org/45689
>
>
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