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Generation of data and file extensions

From: Aditya Arun Kumar
Subject: Generation of data and file extensions
Date: Sun, 28 Nov 2021 19:27:30 +0530

So, I have been trying to get a hold of some of the DSP libraries used out there, for that, I felt like I need a data set with which I can test and train myself on these libraries. To this end, I wanted to use GRC to generate some signals samples. I have some questions regarding this font.

1. What are the possible file formats that I can save the data in, I understand this depends on what data type is being used in the flowgraph blocks, but getting a better understanding on this front would be helpful in understanding GRC and numbers from them a bit better. 
2. Some tutorials online say and use a dataset with .dat file extension, how is this going to vary from .bin, .cf32, or .cfile which is better, and how each data point inside the data-set will look like? (A link or some reference would be good)
3. If anyone can provide me with some links that can help me in this effort like reference materials or some tutorials, will be really helpful (I am planning on starting with fftw, kfrlib and liquid-dsp)

S. Aditya Arun Kumar

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