comparison yeti/silvet.yeti @ 12:0f6db1895e1c

Prepare the ground for cqt and templates
author Chris Cannam
date Fri, 21 Mar 2014 17:14:44 +0000
parents
children e15bc63cb146
comparison
equal deleted inserted replaced
11:f268212ac499 12:0f6db1895e1c
1
2 program silvet;
3
4 { prepareTimeFrequency } = load timefreq;
5 { loadTemplates } = load templates;
6
7 mat = load may.matrix;
8 vec = load may.vector;
9
10 templates = loadTemplates ();
11
12 eprintln "we have \(length (keys templates)) instruments:";
13 for (sort (keys templates)) eprintln;
14 eprintln "";
15
16 columns = prepareTimeFrequency "test.wav";
17
18 chunkSize = 100;
19 height = if empty? columns then 0 else vec.length (head columns) fi;
20
21 chunkify cols =
22 if empty? cols then []
23 else
24 (mat.resizedTo { rows = chunkSize, columns = height }
25 (mat.fromColumns (take chunkSize cols)))
26 :. \(chunkify (drop chunkSize cols));
27 fi;
28
29 chunks = chunkify columns;
30
31 eprintln "we have \(length chunks) chunks of size \(mat.size (head chunks))";
32