Stopping here to see if the MFCCs extraction is correct.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
New documents for paper writing.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
New references added.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
Refactoring modules 'sigproc', 'sigproc_test' and 'useful'.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
Images from 'sigproc_test'.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
Variable 'numfftbins' in module 'sigproc_test'.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
MACRO for the image repository of module 'features_test' and function 'testmultiplot', both in module 'useful'.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
Code from module 'sigproc_test' added to module 'sigproc'.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>
Passed code from module 'features_test' to module 'features' (in the main). The tests are still incomplete.

Signed-off-by: Eduardo Tenorio <embatbr@gmail.com>