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Audio low-level descriptors (LLDs)

This module encapsulates multiple audio low-level descriptors into a streamlined and modular implementation.

Prerequisites

  • librosa
  • matplotlib
  • numpy

(see requirements.txt. Install with pip install -r requirements.txt)

Importing low-level descriptors

import lowleveldescriptors as lld
descriptors = lld.Audio('path_to_your_audio_file')

# Extract pitch with the pitch detection algorithm (PDA)
descriptors.pda()

Low-level descriptors

Speech

  • Average Absolute Amplitude (AAA)
  • Root mean square (RMS)
  • Zero crossing rate (ZCR)
  • Pitch detection algorithm (PDA)
  • Harmonic to noise ratio (HNR)

Sound

  • Spectral centroid
  • Spectral bandwidth
  • Spectrograms (Linear, Log-frequency, Mel)