On Fri, Dec 6, 2013 at 12:29 PM, lucrecio diaz <lucrecio.d...@gmail.com>wrote:
> Hi, im new with pd, i working on a project where i need to sonify data > as a waveform. > Welcome to pd, Lucrecio--some questions: what's the data, and what features of the data are being mapped into sounds? > Then I need to measure each set of data using a 1/f function . > If you're synthesizing the sounds, you should be able to predict the 1/f characteristic. What's the meaning of extracting the (1/f) exponent? > 1/f noise its a famous distribution found in diverse areas. > The 1/f function measures the difference in the slope of the line of > closest fit to the data and the hypothesized 1/f curve of that data. > I'm familiar with Stochastic Analysis--Can you share the formulas or link to a reference that has them? > I would like to know if pd is a good option for building this function > for evaluating data? > It's generally good for any type of numerical problem on signals. Even if you're unable to create an implementation with existing classes, you can write your own perform routines in C. > or maybe theres already a plug in? or library for making this? > > where to start ? any hint? > Some years ago, the pd-list had some posts about (1/f) noise synthesis, rather than analysis. Search the archives: http://lists.puredata.info/pipermail/pd-list/
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