CMU CS 15492 - Spectrogram, Cepstrum and Mel-Frequency Analysis (50 pages)

Previewing pages 1, 2, 3, 24, 25, 26, 27, 48, 49, 50 of 50 page document View the full content.
View Full Document

Spectrogram, Cepstrum and Mel-Frequency Analysis



Previewing pages 1, 2, 3, 24, 25, 26, 27, 48, 49, 50 of actual document.

View the full content.
View Full Document
View Full Document

Spectrogram, Cepstrum and Mel-Frequency Analysis

260 views


Pages:
50
School:
Carnegie Mellon University
Course:
Cs 15492 - Special Topic: Speech Processing

Unformatted text preview:

Speech Technology A Practical Introduction Topic Spectrogram Cepstrum and Mel Frequency Analysis Kishore Prahallad Email skishore cs cmu edu Carnegie Mellon University International Institute of Information Technology Hyderabad 1 Speech Technology Kishore Prahallad skishore cs cmu edu Topics Spectrogram Cepstrum Mel Frequency Analysis Mel Frequency Cepstral Coefficients 2 Speech Technology Kishore Prahallad skishore cs cmu edu Spectrogram 3 Speech Technology Kishore Prahallad skishore cs cmu edu Speech signal represented as a sequence of spectral vectors FFT FFT FFT Spectrum 4 Speech Technology Kishore Prahallad skishore cs cmu edu Speech signal represented as a sequence of spectral vectors FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT Spectrum 5 Speech Technology Kishore Prahallad skishore cs cmu edu Speech signal represented as a sequence of spectral vectors FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT Spectrum Amp Hz 6 Speech Technology Kishore Prahallad skishore cs cmu edu Speech signal represented as a sequence of spectral vectors FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT Spectrum Rotate it by 90 degrees Hz 7 Amplitude Speech Technology Kishore Prahallad skishore cs cmu edu Speech signal represented as a sequence of spectral vectors FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT Spectrum Hz MAP spectral amplitude to a grey level 0255 value 0 represents black and 255 represents white Higher the amplitude darker the corresponding region 8 Amplitude Speech Technology Kishore Prahallad skishore cs cmu edu Speech signal represented as a sequence of spectral vectors FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT Spectrum Hz Time Speech Technology Kishore Prahallad skishore cs cmu edu 9 Speech signal represented as a sequence of spectral vectors Time Vs Frequency FFT FFT FFT FFT representation of a speech signal is referred to as spectrogram Spectrum FFT FFT FFT FFT FFT FFT FFT FFT FFT FFT Hz Time Speech Technology



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Spectrogram, Cepstrum and Mel-Frequency Analysis and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Spectrogram, Cepstrum and Mel-Frequency Analysis and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?