GREASY - Load the 'greasy' test signal

Usage

s=greasy;

Description

greasy loads the 'greasy' signal. It is a recording of a woman pronouncing the word "greasy".

The signal is 5880 samples long and recorded at 16 kHz with around 11 bits of effective quantization.

[sig,fs]=greasy additionally returns the sampling frequency fs.

The signal has been scaled to not produce any clipping when played. To get integer values use round(greasy*2048).

The signal was obtained from Wavelab: http://www-stat.stanford.edu/~wavelab/, it is a part of the first sentence of the TIMIT speech corpus "She had your dark suit in greasy wash water all year": http://www.ldc.upenn.edu/Catalog/CatalogEntry.jsp?catalogId=LDC93S1.

Examples:

Plot of 'greasy' in the time-domain:

plot((1:5880)/16000,greasy);
xlabel('Time (seconds)');
ylabel('Amplitude');

Plot of 'greasy' in the frequency-domain:

plotfftreal(fftreal(greasy),16000,90);

Plot of 'greasy' in the time-frequency-domain:

sgram(greasy,16000,90);