'Mel scale' presentation slideshows

Chapter 2: Audio feature extraction t echniques (lecture2)

Chapter 2: Audio feature extraction t echniques (lecture2). Filtering Linear predictive coding LPC Cepstrum Feature representation: Vector Quantization (VQ). (A) Filtering. Ways to find the spectral envelope Filter banks: uniform Filter banks can also be non-uniform

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Issues in This Talk

508 views • 45 slides

Issues in This Talk

461 views • 45 slides

Cepstrum and MFCC

Cepstrum and MFCC. Cepstrum MFCC. Cepstrum. A new word by reversing the first 4 letters of spectrum ? cepstrum. It is the spectrum of a spectrum of a signal. Cepstrum. Glottis and cepstrum Speech wave (X)= Excitation (E) . Filter (H). (S). Output So voice has a strong glottis

497 views • 28 slides

Chapter 7: Loudness and Pitch

Chapter 7: Loudness and Pitch. Loudness (1). Auditory Sensitivity: Minimum audible pressure (MAP) and Minimum audible field (MAF) Equal loudness contours (Fig. 7-1) Phon : basic measure of loudness; the loudness of a 1000 Hz pure tone at 40 dB SPL is designated as 40 phons

290 views • 10 slides