PERCEPTUALLY MOTIVATED PARAMETRIC REPRESENTATION FOR HARMONIC SOUNDS FOR DATA COMPRESSION PURPOSES
Marko Helén, Tuomas I. Virtanen · 2000
An efficient representation for the amplitude spectrum of harmonic sounds is proposed. The representation is based on modeling the rough spectral shape using Mel-frequency cepstral coefficients and their temporal evolution using the attack-decaysustain-release-model. The representation significantly reduces the number of parameters while preserving most important perceptual features of sound. The proposed representation is applied as a part of an object-based audio coding system. Demonstrations of monophonic signals are available at