Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-12 Thread Seth Nickell
; because the scale of your highest band is roughly 2^-32 times your lowest >> band and there is no way the 23-bit mantissa of a single precision float >> can properly handle this. >> >> Stefan >> >> >> > On 11 Apr 2016, at 18:57 , Seth Nickell <snick...@gm

Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-12 Thread Seth Nickell
nerate the pink noise at equally-spaced sampling > rates between N (inclusive) and 2N (exclusive). With this approach you > could get an arbitrarily flat slope -- if you're willing to pay the cost! > > Your project sounds totally bonkers, but I'll give you the benefit of the > doub

Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-11 Thread Seth Nickell
many pole/zero pairs you would need. > maybe 10. > > > > r b-j > > > Original Message > Subject: [music-dsp] High quality really broad bandwidth pinknoise > (ideally more than 32 octaves) > From: &qu

Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-11 Thread Seth Nickell
t of the > doubt on that. :) > > – Evan Balster > creator of imitone <http://imitone.com> > > On Mon, Apr 11, 2016 at 6:59 PM, Seth Nickell <snick...@gmail.com> wrote: > >> Hi Robert, >> >> I know very little about filter design (hazy undergrad

Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-11 Thread Seth Nickell
;> >> ---- Original Message >> Subject: [music-dsp] High quality really broad bandwidth pinknoise >> (ideally more than 32 octaves) >> From: "Seth Nickell" <snick...@gmail.com> >> Da

Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-11 Thread Seth Nickell
-spaced in log frequency. the tighter the > spacing, the more pole/zero pairs you will need and the better conformance > to -3 dB per decade. > > r b-j > > Original Message > > Subject: Re: [music-dsp] High quality really

[music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-11 Thread Seth Nickell
I'm applying an iterative function to an input signal, in this instance pinknoise. Because of the iteration, spectral characteristics in input signals tend to "blow up" really quickly, so I'm looking for a really high bandwidth and high quality source of pink noise. My understanding is that most

Re: [music-dsp] High quality really broad bandwidth pinknoise (ideally more than 32 octaves)

2016-04-13 Thread Seth Nickell
nerator for floats. > > To make it output doubles just change this: > > void generate16(float *out) > > to this: > > void generate16(double *out) > > int pink52.h > > Stefan > > > > On 12 Apr 2016, at 22:13 , Seth Nickell <snick...@gmail.com> wrot