July 2018
Beginner to intermediate
312 pages
8h 31m
English
Content preview from Hands-On Natural Language Processing with Python
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Preparation of audio data
In this section, many terms from the signal processing world will be used. We will explain some of them, and we don't expect the reader to know about the others. This book is about deep learning per se, and we encourage curious readers to perform their own research on the signal processing notions that are not thoroughly explained.
We will use the following parameters (they are obtained from the paper) for the spectral analysis and processing of the .wav files:
|
Variable Name |
Description |
Value |
|
N_FFT |
Number of Fourier transform points |
1024 |
|
PREEMPHASIS |
Parameter of the pre-emphasis technique that gives more importance to high frequencies in the signal |
0.97 |
|
SAMPLING_RATE |
Sampling rate |
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